[ARM][NFC] Move smlad tests

Created a test/CodeGen/ARM/ParallelDSP folder.

llvm-svn: 355907
This commit is contained in:
Sam Parker 2019-03-12 11:01:11 +00:00
parent 2086a8894d
commit 28e46e58db
19 changed files with 2106 additions and 0 deletions

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; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The Cortex-M0 does not support unaligned accesses:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
;
; Check DSP extension:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define dso_local i32 @OneReduction(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @OneReduction
; CHECK: %mac1{{\.}}026 = phi i32 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32*
; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2
; CHECK: [[V6:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2
; CHECK: [[V8]] = call i32 @llvm.arm.smlad(i32 [[V5]], i32 [[V7]], i32 %mac1{{\.}}026)
; CHECK-NOT: call i32 @llvm.arm.smlad
;
; CHECK-UNSUPPORTED-NOT: call i32 @llvm.arm.smlad
;
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
; One reduction statement here:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
; Here the Mul is the LHS, and the Add the RHS.
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
define dso_local arm_aapcs_vfpcc i32 @TwoReductions(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @TwoReductions
;
; CHECK: %mac1{{\.}}058 = phi i32 [ [[V10:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: %mac2{{\.}}057 = phi i32 [ [[V17:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V10]] = call i32 @llvm.arm.smlad(i32 %{{.*}}, i32 %{{.*}}, i32 %mac1{{\.}}058)
; CHECK: [[V17]] = call i32 @llvm.arm.smlad(i32 %{{.*}}, i32 %{{.*}}, i32 %mac2{{\.}}057)
; CHECK-NOT: call i32 @llvm.arm.smlad
;
entry:
%cmp55 = icmp sgt i32 %arg, 0
br i1 %cmp55, label %for.body.preheader, label %for.cond.cleanup
for.cond.cleanup:
%mac2.0.lcssa = phi i32 [ 0, %entry ], [ %add28, %for.body ]
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add16, %for.body ]
%add30 = add nsw i32 %mac1.0.lcssa, %mac2.0.lcssa
ret i32 %add30
for.body.preheader:
br label %for.body
for.body:
; And two reduction statements here:
%mac1.058 = phi i32 [ %add16, %for.body ], [ 0, %for.body.preheader ]
%mac2.057 = phi i32 [ %add28, %for.body ], [ 0, %for.body.preheader ]
%i.056 = phi i32 [ %add29, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.056
%0 = load i16, i16* %arrayidx, align 2
%add1 = or i32 %i.056, 1
%arrayidx2 = getelementptr inbounds i16, i16* %arg3, i32 %add1
%1 = load i16, i16* %arrayidx2, align 2
%add3 = or i32 %i.056, 2
%arrayidx4 = getelementptr inbounds i16, i16* %arg3, i32 %add3
%2 = load i16, i16* %arrayidx4, align 2
%add5 = or i32 %i.056, 3
%arrayidx6 = getelementptr inbounds i16, i16* %arg3, i32 %add5
%3 = load i16, i16* %arrayidx6, align 2
%arrayidx8 = getelementptr inbounds i16, i16* %arg2, i32 %i.056
%4 = load i16, i16* %arrayidx8, align 2
%conv = sext i16 %4 to i32
%conv9 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv9
%arrayidx11 = getelementptr inbounds i16, i16* %arg2, i32 %add1
%5 = load i16, i16* %arrayidx11, align 2
%conv12 = sext i16 %5 to i32
%conv13 = sext i16 %1 to i32
%mul14 = mul nsw i32 %conv12, %conv13
%add15 = add i32 %mul, %mac1.058
%add16 = add i32 %add15, %mul14
%arrayidx18 = getelementptr inbounds i16, i16* %arg2, i32 %add3
%6 = load i16, i16* %arrayidx18, align 2
%conv19 = sext i16 %6 to i32
%conv20 = sext i16 %2 to i32
%mul21 = mul nsw i32 %conv19, %conv20
%arrayidx23 = getelementptr inbounds i16, i16* %arg2, i32 %add5
%7 = load i16, i16* %arrayidx23, align 2
%conv24 = sext i16 %7 to i32
%conv25 = sext i16 %3 to i32
%mul26 = mul nsw i32 %conv24, %conv25
%add27 = add i32 %mul21, %mac2.057
%add28 = add i32 %add27, %mul26
%add29 = add nuw nsw i32 %i.056, 4
%cmp = icmp slt i32 %add29, %arg
br i1 %cmp, label %for.body, label %for.cond.cleanup
}
define i32 @one_zext(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
; CHECK-LABEL: @one_zext
; CHECK-NOT: call i32 @llvm.arm.smlad
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = zext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = zext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
define i32 @two_zext(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
; CHECK-LABEL: @two_zext
; CHECK-NOT: call i32 @llvm.arm.smlad
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = zext i16 %2 to i32
%conv4 = zext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = zext i16 %3 to i32
%conv8 = zext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
; CHECK-LABEL: @test1
; CHECK: %mac1{{\.}}026 = phi i32 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32*
; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2
; CHECK: [[V6:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2
; CHECK: [[V8]] = call i32 @llvm.arm.smlad(i32 [[V5]], i32 [[V7]], i32 %mac1{{\.}}026)
define dso_local i32 @test1(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
; And here the Add is the LHS, the Mul the RHS
%add11 = add i32 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
; Here we have i8 loads, which we do want to support, but don't handle yet.
;
; CHECK-LABEL: @test2
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test2(i32 %arg, i32* nocapture readnone %arg1, i8* nocapture readonly %arg2, i8* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i8, i8* %arg3, align 2
%.pre27 = load i8, i8* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i8, i8* %arg3, i32 %i.025
%0 = load i8, i8* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i8, i8* %arg3, i32 %add
%1 = load i8, i8* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i8, i8* %arg2, i32 %i.025
%2 = load i8, i8* %arrayidx3, align 2
%conv = sext i8 %2 to i32
%conv4 = sext i8 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i8, i8* %arg2, i32 %add
%3 = load i8, i8* %arrayidx6, align 2
%conv7 = sext i8 %3 to i32
%conv8 = sext i8 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Reduction statement is an i64 type: we only support i32 so check that the
; rewrite isn't triggered.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i64 @test(i64 %arg, i64* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i64 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i64 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i64 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i64 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i64 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i64 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i64
%conv4 = sext i16 %0 to i64
%mul = mul nsw i64 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i64 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i64
%conv8 = sext i16 %1 to i64
%mul9 = mul nsw i64 %conv7, %conv8
%add10 = add i64 %mul, %mac1.026
%add11 = add i64 %mul9, %add10
%exitcond = icmp ne i64 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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; REQUIRES: asserts
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S -stats 2>&1 | FileCheck %s
;
; A more complicated chain: 4 mul operations, so we expect 2 smlad calls.
;
; CHECK: %mac1{{\.}}054 = phi i32 [ [[V17:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V8:%[0-9]+]] = bitcast i16* %arrayidx8 to i32*
; CHECK: [[V9:%[0-9]+]] = load i32, i32* [[V8]], align 2
; CHECK: [[V10:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V11:%[0-9]+]] = load i32, i32* [[V10]], align 2
; CHECK: [[V12:%[0-9]+]] = call i32 @llvm.arm.smlad(i32 [[V9]], i32 [[V11]], i32 %mac1{{\.}}054)
; CHECK: [[V13:%[0-9]+]] = bitcast i16* %arrayidx17 to i32*
; CHECK: [[V14:%[0-9]+]] = load i32, i32* [[V13]], align 2
; CHECK: [[V15:%[0-9]+]] = bitcast i16* %arrayidx4 to i32*
; CHECK: [[V16:%[0-9]+]] = load i32, i32* [[V15]], align 2
; CHECK: [[V17:%[0-9]+]] = call i32 @llvm.arm.smlad(i32 [[V14]], i32 [[V16]], i32 [[V12]])
;
; And we don't want to see a 3rd smlad:
; CHECK-NOT: call i32 @llvm.arm.smlad
;
; CHECK: 2 arm-parallel-dsp - Number of smlad instructions generated
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp52 = icmp sgt i32 %arg, 0
br i1 %cmp52, label %for.body.preheader, label %for.cond.cleanup
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add28, %for.body ]
ret i32 %mac1.0.lcssa
for.body.preheader:
br label %for.body
for.body:
%mac1.054 = phi i32 [ %add28, %for.body ], [ 0, %for.body.preheader ]
%i.053 = phi i32 [ %add29, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.053
%0 = load i16, i16* %arrayidx, align 2
%add1 = or i32 %i.053, 1
%arrayidx2 = getelementptr inbounds i16, i16* %arg3, i32 %add1
%1 = load i16, i16* %arrayidx2, align 2
%add3 = or i32 %i.053, 2
%arrayidx4 = getelementptr inbounds i16, i16* %arg3, i32 %add3
%2 = load i16, i16* %arrayidx4, align 2
%add5 = or i32 %i.053, 3
%arrayidx6 = getelementptr inbounds i16, i16* %arg3, i32 %add5
%3 = load i16, i16* %arrayidx6, align 2
%arrayidx8 = getelementptr inbounds i16, i16* %arg2, i32 %i.053
%4 = load i16, i16* %arrayidx8, align 2
%conv = sext i16 %4 to i32
%conv9 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv9
%arrayidx11 = getelementptr inbounds i16, i16* %arg2, i32 %add1
%5 = load i16, i16* %arrayidx11, align 2
%conv12 = sext i16 %5 to i32
%conv13 = sext i16 %1 to i32
%mul14 = mul nsw i32 %conv12, %conv13
%arrayidx17 = getelementptr inbounds i16, i16* %arg2, i32 %add3
%6 = load i16, i16* %arrayidx17, align 2
%conv18 = sext i16 %6 to i32
%conv19 = sext i16 %2 to i32
%mul20 = mul nsw i32 %conv18, %conv19
%arrayidx23 = getelementptr inbounds i16, i16* %arg2, i32 %add5
%7 = load i16, i16* %arrayidx23, align 2
%conv24 = sext i16 %7 to i32
%conv25 = sext i16 %3 to i32
%mul26 = mul nsw i32 %conv24, %conv25
%add15 = add i32 %mul, %mac1.054
%add21 = add i32 %add15, %mul14
%add27 = add i32 %add21, %mul20
%add28 = add i32 %add27, %mul26
%add29 = add nuw nsw i32 %i.053, 4
%cmp = icmp slt i32 %add29, %arg
br i1 %cmp, label %for.body, label %for.cond.cleanup
}

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; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The loop header is not the loop latch.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
; This is the loop header:
for.body:
%mac1.026 = phi i32 [ %add11, %for.body2 ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body2 ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body2, label %for.cond.cleanup
; And this is the loop latch:
for.body2:
br label %for.body
}

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; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Operands of both muls are not symmetrical (see also comments inlined below), check
; that the rewrite isn't triggered.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
; This zero-extends the 2nd operand of %mul:
%conv4 = zext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
; And here we only have sign-extensions. Thus, the operands of
; %mul and %mul9 are not symmetrical:
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,50 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The loads are not consecutive: check that the rewrite isn't triggered.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
; Here we add another constants offset of 2, to make sure the
; loads to %3 and %2 are not consecutive:
%add5 = add nuw nsw i32 %i.025, 2
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add5
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,48 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The loads are not narrow loads: check that the rewrite isn't triggered.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
; Arg2 is now an i32, while Arg3 is still and i16:
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i32* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp22 = icmp sgt i32 %arg, 0
br i1 %cmp22, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add9, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%0 = phi i16 [ %1, %for.body ], [ %.pre, %for.body.preheader ]
%mac1.024 = phi i32 [ %add9, %for.body ], [ 0, %for.body.preheader ]
%i.023 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%add = add nuw nsw i32 %i.023, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%conv = sext i16 %0 to i32
; This is a 'normal' i32 load to %2:
%arrayidx3 = getelementptr inbounds i32, i32* %arg2, i32 %i.023
%2 = load i32, i32* %arrayidx3, align 4
; This mul has now 1 operand which is a narrow load, and the other a normal
; i32 load:
%mul = mul nsw i32 %2, %conv
%add4 = add nuw nsw i32 %i.023, 2
%arrayidx5 = getelementptr inbounds i32, i32* %arg2, i32 %add4
%3 = load i32, i32* %arrayidx5, align 4
%conv6 = sext i16 %1 to i32
%mul7 = mul nsw i32 %3, %conv6
%add8 = add i32 %mul, %mac1.024
%add9 = add i32 %add8, %mul7
%exitcond = icmp eq i32 %add, %arg
br i1 %exitcond, label %for.cond.cleanup, label %for.body
}

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@ -0,0 +1,44 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The loads are volatile loads: check that the rewrite isn't triggered.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load volatile i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load volatile i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load volatile i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load volatile i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,50 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Alias check: check that the rewrite isn't triggered when there's a store
; instruction possibly aliasing any mul load operands; arguments are passed
; without 'restrict' enabled.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
; Store inserted here, aliasing with arrayidx, arrayidx1, arrayidx3
store i16 42, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,53 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Alias check: check that the rewrite isn't triggered when there's a store
; aliasing one of the mul load operands. Arguments are now annotated with
; 'noalias'.
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* noalias %arg1, i16* noalias readonly %arg2, i16* noalias readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
; Store inserted here, aliasing only with loads from 'arrayidx'.
store i16 42, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%add10 = add i32 %mul, %mac1.026
; Here the Mul is the LHS, and the Add the RHS.
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,59 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Mul with operands that are not simple load and sext/zext chains: this is not
; yet supported so the rewrite shouldn't trigger (but we do want to support this
; soon).
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3, i16* %arg4) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
%gep0 = getelementptr inbounds i16, i16* %arg4, i32 0
%gep1 = getelementptr inbounds i16, i16* %arg4, i32 1
%.add4 = load i16, i16* %gep0, align 2
%.add5 = load i16, i16* %gep1, align 2
%.zext4 = zext i16 %.add4 to i32
%.zext5 = zext i16 %.add5 to i32
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%add1 = add i32 %conv, %.zext4
; This mul has a more complicated pattern as an operand, %add1
; is another add and load, which we don't support for now.
%mul = mul nsw i32 %add1, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%add2 = add i32 %conv7, %.zext5
; Same here
%mul9 = mul nsw i32 %add2, %conv8
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,45 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; Muls with operands that are constants: not yet supported, so the rewrite
; should not trigger (but we do want to add this soon).
;
; CHECK-NOT: call i32 @llvm.arm.smlad
;
define dso_local i32 @test(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i32 [ 0, %entry ], [ %add11, %for.body ]
ret i32 %mac1.0.lcssa
for.body:
%mac1.026 = phi i32 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%add = add nuw nsw i32 %i.025, 1
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%v2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %v2 to i32
; RHS operand of this mul is a constant
%mul = mul nsw i32 %conv, 43
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%v3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %v3 to i32
; And this RHS operand is a constant too.
%mul9 = mul nsw i32 %conv7, 42
%add10 = add i32 %mul, %mac1.026
%add11 = add i32 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,240 @@
; RUN: opt -mtriple=thumbv8m.main -mcpu=cortex-m33 -arm-parallel-dsp %s -S -o - | FileCheck %s
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define i32 @smladx(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
; CHECK-LABEL: smladx
; CHECK: = phi i32 [ 0, %for.body.preheader.new ],
; CHECK: [[ACC0:%[^ ]+]] = phi i32 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN23:%[^ ]+]] = bitcast i16* %pIn2.3 to i32*
; CHECK: [[IN23:%[^ ]+]] = load i32, i32* [[PIN23]], align 2
; CHECK: [[PIN12:%[^ ]+]] = bitcast i16* %pIn1.2 to i32*
; CHECK: [[IN12:%[^ ]+]] = load i32, i32* [[PIN12]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i32 @llvm.arm.smladx(i32 [[IN23]], i32 [[IN12]], i32 [[ACC0]])
; CHECK: [[PIN21:%[^ ]+]] = bitcast i16* %pIn2.1 to i32*
; CHECK: [[IN21:%[^ ]+]] = load i32, i32* [[PIN21]], align 2
; CHECK: [[PIN10:%[^ ]+]] = bitcast i16* %pIn1.0 to i32*
; CHECK: [[IN10:%[^ ]+]] = load i32, i32* [[PIN10]], align 2
; CHECK: [[ACC2]] = call i32 @llvm.arm.smladx(i32 [[IN21]], i32 [[IN10]], i32 [[ACC1]])
; CHECK-NOT: call i32 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i32 @llvm.arm.smlad
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i32 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i32 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil:
%i.011.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.011.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%sum.010.epil = phi i32 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%sub.epil = sub i32 %j, %i.011.epil
%arrayidx.epil = getelementptr inbounds i16, i16* %pIn2, i32 %sub.epil
%2 = load i16, i16* %arrayidx.epil, align 2
%conv.epil = sext i16 %2 to i32
%arrayidx1.epil = getelementptr inbounds i16, i16* %pIn1, i32 %i.011.epil
%3 = load i16, i16* %arrayidx1.epil, align 2
%conv2.epil = sext i16 %3 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%add.epil = add nsw i32 %mul.epil, %sum.010.epil
%inc.epil = add nuw i32 %i.011.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i32 %sum.0.lcssa
for.body:
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i32 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%pIn2Base = phi i16* [ %pIn2, %for.body.preheader.new ], [ %pIn2.4, %for.body ]
%pIn2.0 = getelementptr inbounds i16, i16* %pIn2Base, i32 0
%In2 = load i16, i16* %pIn2.0, align 2
%pIn1.0 = getelementptr inbounds i16, i16* %pIn1, i32 %i.011
%In1 = load i16, i16* %pIn1.0, align 2
%inc = or i32 %i.011, 1
%pIn2.1 = getelementptr inbounds i16, i16* %pIn2Base, i32 -1
%In2.1 = load i16, i16* %pIn2.1, align 2
%pIn1.1 = getelementptr inbounds i16, i16* %pIn1, i32 %inc
%In1.1 = load i16, i16* %pIn1.1, align 2
%inc.1 = or i32 %i.011, 2
%pIn2.2 = getelementptr inbounds i16, i16* %pIn2Base, i32 -2
%In2.2 = load i16, i16* %pIn2.2, align 2
%pIn1.2 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.1
%In1.2 = load i16, i16* %pIn1.2, align 2
%inc.2 = or i32 %i.011, 3
%pIn2.3 = getelementptr inbounds i16, i16* %pIn2Base, i32 -3
%In2.3 = load i16, i16* %pIn2.3, align 2
%pIn1.3 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.2
%In1.3 = load i16, i16* %pIn1.3, align 2
%sextIn1 = sext i16 %In1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%sextIn2 = sext i16 %In2 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%mul = mul nsw i32 %sextIn1, %sextIn2
%mul.1 = mul nsw i32 %sextIn1.1, %sextIn2.1
%mul.2 = mul nsw i32 %sextIn1.2, %sextIn2.2
%mul.3 = mul nsw i32 %sextIn1.3, %sextIn2.3
%add = add nsw i32 %mul, %sum.010
%add.1 = add nsw i32 %mul.1, %add
%add.2 = add nsw i32 %mul.2, %add.1
%add.3 = add nsw i32 %mul.3, %add.2
%inc.3 = add i32 %i.011, 4
%pIn2.4 = getelementptr inbounds i16, i16* %pIn2Base, i32 -4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
define i32 @smladx_swap(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
; CHECK-LABEL: smladx_swap
; CHECK: for.body.preheader.new:
; CHECK: [[PIN1Base:[^ ]+]] = getelementptr i16, i16* %pIn1
; CHECK: [[PIN2Base:[^ ]+]] = getelementptr i16, i16* %pIn2
; CHECK: for.body:
; CHECK: [[PIN2:%[^ ]+]] = phi i16* [ [[PIN2_NEXT:%[^ ]+]], %for.body ], [ [[PIN2Base]], %for.body.preheader.new ]
; CHECK: [[PIN1:%[^ ]+]] = phi i16* [ [[PIN1_NEXT:%[^ ]+]], %for.body ], [ [[PIN1Base]], %for.body.preheader.new ]
; CHECK: [[IV:%[^ ]+]] = phi i32
; CHECK: [[ACC0:%[^ ]+]] = phi i32 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN1_2:%[^ ]+]] = getelementptr i16, i16* [[PIN1]], i32 -2
; CHECK: [[PIN2_2:%[^ ]+]] = getelementptr i16, i16* [[PIN2]], i32 -2
; CHECK: [[PIN2_2_CAST:%[^ ]+]] = bitcast i16* [[PIN2_2]] to i32*
; CHECK: [[IN2_2:%[^ ]+]] = load i32, i32* [[PIN2_2_CAST]], align 2
; CHECK: [[PIN1_CAST:%[^ ]+]] = bitcast i16* [[PIN1]] to i32*
; CHECK: [[IN1:%[^ ]+]] = load i32, i32* [[PIN1_CAST]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i32 @llvm.arm.smladx(i32 [[IN2_2]], i32 [[IN1]], i32 [[ACC0]])
; CHECK: [[PIN2_CAST:%[^ ]+]] = bitcast i16* [[PIN2]] to i32*
; CHECK: [[IN2:%[^ ]+]] = load i32, i32* [[PIN2_CAST]], align 2
; CHECK: [[PIN1_2_CAST:%[^ ]+]] = bitcast i16* [[PIN1_2]] to i32*
; CHECK: [[IN1_2:%[^ ]+]] = load i32, i32* [[PIN1_2_CAST]], align 2
; CHECK: [[ACC2]] = call i32 @llvm.arm.smladx(i32 [[IN2]], i32 [[IN1_2]], i32 [[ACC1]])
; CHECK: [[PIN1_NEXT]] = getelementptr i16, i16* [[PIN1]], i32 4
; CHECK: [[PIN2_NEXT]] = getelementptr i16, i16* [[PIN2]], i32 -4
; CHECK-NOT: call i32 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i32 @llvm.arm.smlad
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
%scevgep6 = getelementptr i16, i16* %pIn1, i32 2
%2 = add i32 %j, -1
%scevgep11 = getelementptr i16, i16* %pIn2, i32 %2
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i32 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i32 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil.preheader
for.body.epil.preheader:
%scevgep = getelementptr i16, i16* %pIn1, i32 %i.011.unr
%3 = sub i32 %j, %i.011.unr
%scevgep2 = getelementptr i16, i16* %pIn2, i32 %3
%4 = sub i32 0, %xtraiter
br label %for.body.epil
for.body.epil:
%lsr.iv5 = phi i32 [ %4, %for.body.epil.preheader ], [ %lsr.iv.next, %for.body.epil ]
%lsr.iv3 = phi i16* [ %scevgep2, %for.body.epil.preheader ], [ %scevgep4, %for.body.epil ]
%lsr.iv = phi i16* [ %scevgep, %for.body.epil.preheader ], [ %scevgep1, %for.body.epil ]
%sum.010.epil = phi i32 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.body.epil.preheader ]
%5 = load i16, i16* %lsr.iv3, align 2
%conv.epil = sext i16 %5 to i32
%6 = load i16, i16* %lsr.iv, align 2
%conv2.epil = sext i16 %6 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%add.epil = add nsw i32 %mul.epil, %sum.010.epil
%scevgep1 = getelementptr i16, i16* %lsr.iv, i32 1
%scevgep4 = getelementptr i16, i16* %lsr.iv3, i32 -1
%lsr.iv.next = add nsw i32 %lsr.iv5, 1
%epil.iter.cmp = icmp eq i32 %lsr.iv.next, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i32 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i32 %sum.0.lcssa
for.body:
%pin2 = phi i16* [ %pin2_sub4, %for.body ], [ %scevgep11, %for.body.preheader.new ]
%pin1 = phi i16* [ %pin1_add4, %for.body ], [ %scevgep6, %for.body.preheader.new ]
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i32 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%pin2_add1 = getelementptr i16, i16* %pin2, i32 1
%In2 = load i16, i16* %pin2_add1, align 2
%pin1_sub2 = getelementptr i16, i16* %pin1, i32 -2
%In1 = load i16, i16* %pin1_sub2, align 2
%In2.1 = load i16, i16* %pin2, align 2
%pin1_sub1 = getelementptr i16, i16* %pin1, i32 -1
%In1.1 = load i16, i16* %pin1_sub1, align 2
%pin2_sub1 = getelementptr i16, i16* %pin2, i32 -1
%In2.2 = load i16, i16* %pin2_sub1, align 2
%In1.2 = load i16, i16* %pin1, align 2
%pin2_sub2 = getelementptr i16, i16* %pin2, i32 -2
%In2.3 = load i16, i16* %pin2_sub2, align 2
%pin1_add1 = getelementptr i16, i16* %pin1, i32 1
%In1.3 = load i16, i16* %pin1_add1, align 2
%sextIn2 = sext i16 %In2 to i32
%sextIn1 = sext i16 %In1 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%mul = mul nsw i32 %sextIn2, %sextIn1
%add = add nsw i32 %mul, %sum.010
%mul.1 = mul nsw i32 %sextIn2.1, %sextIn1.1
%add.1 = add nsw i32 %mul.1, %add
%mul.2 = mul nsw i32 %sextIn2.2, %sextIn1.2
%add.2 = add nsw i32 %mul.2, %add.1
%mul.3 = mul nsw i32 %sextIn2.3, %sextIn1.3
%add.3 = add nsw i32 %mul.3, %add.2
%inc.3 = add i32 %i.011, 4
%pin1_add4 = getelementptr i16, i16* %pin1, i32 4
%pin2_sub4 = getelementptr i16, i16* %pin2, i32 -4
%niter.ncmp.3 = icmp eq i32 %unroll_iter, %inc.3
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}

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@ -0,0 +1,173 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The Cortex-M0 does not support unaligned accesses:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
;
; Check DSP extension:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define dso_local i64 @OneReduction(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @OneReduction
; CHECK: %mac1{{\.}}026 = phi i64 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32*
; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2
; CHECK: [[V6:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2
; CHECK: [[V8]] = call i64 @llvm.arm.smlald(i32 [[V5]], i32 [[V7]], i64 %mac1{{\.}}026)
; CHECK-NOT: call i64 @llvm.arm.smlald
;
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlald
;
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
; One reduction statement here:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i64
%conv4 = sext i16 %0 to i64
%mul = mul nsw i64 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i64
%conv8 = sext i16 %1 to i64
%mul9 = mul nsw i64 %conv7, %conv8
%add10 = add i64 %mul, %mac1.026
; Here the Mul is the LHS, and the Add the RHS.
%add11 = add i64 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
define dso_local arm_aapcs_vfpcc i64 @TwoReductions(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @TwoReductions
;
; CHECK: %mac1{{\.}}058 = phi i64 [ [[V10:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: %mac2{{\.}}057 = phi i64 [ [[V17:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V10]] = call i64 @llvm.arm.smlald(i32 %{{.*}}, i32 %{{.*}}, i64 %mac1{{\.}}058)
; CHECK: [[V17]] = call i64 @llvm.arm.smlald(i32 %{{.*}}, i32 %{{.*}}, i64 %mac2{{\.}}057)
; CHECK-NOT: call i64 @llvm.arm.smlald
;
entry:
%cmp55 = icmp sgt i32 %arg, 0
br i1 %cmp55, label %for.body.preheader, label %for.cond.cleanup
for.cond.cleanup:
%mac2.0.lcssa = phi i64 [ 0, %entry ], [ %add28, %for.body ]
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add16, %for.body ]
%add30 = add nsw i64 %mac1.0.lcssa, %mac2.0.lcssa
ret i64 %add30
for.body.preheader:
br label %for.body
for.body:
; And two reduction statements here:
%mac1.058 = phi i64 [ %add16, %for.body ], [ 0, %for.body.preheader ]
%mac2.057 = phi i64 [ %add28, %for.body ], [ 0, %for.body.preheader ]
%i.056 = phi i32 [ %add29, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.056
%0 = load i16, i16* %arrayidx, align 2
%add1 = or i32 %i.056, 1
%arrayidx2 = getelementptr inbounds i16, i16* %arg3, i32 %add1
%1 = load i16, i16* %arrayidx2, align 2
%add3 = or i32 %i.056, 2
%arrayidx4 = getelementptr inbounds i16, i16* %arg3, i32 %add3
%2 = load i16, i16* %arrayidx4, align 2
%add5 = or i32 %i.056, 3
%arrayidx6 = getelementptr inbounds i16, i16* %arg3, i32 %add5
%3 = load i16, i16* %arrayidx6, align 2
%arrayidx8 = getelementptr inbounds i16, i16* %arg2, i32 %i.056
%4 = load i16, i16* %arrayidx8, align 2
%conv = sext i16 %4 to i64
%conv9 = sext i16 %0 to i64
%mul = mul nsw i64 %conv, %conv9
%arrayidx11 = getelementptr inbounds i16, i16* %arg2, i32 %add1
%5 = load i16, i16* %arrayidx11, align 2
%conv12 = sext i16 %5 to i64
%conv13 = sext i16 %1 to i64
%mul14 = mul nsw i64 %conv12, %conv13
%add15 = add i64 %mul, %mac1.058
%add16 = add i64 %add15, %mul14
%arrayidx18 = getelementptr inbounds i16, i16* %arg2, i32 %add3
%6 = load i16, i16* %arrayidx18, align 2
%conv19 = sext i16 %6 to i64
%conv20 = sext i16 %2 to i64
%mul21 = mul nsw i64 %conv19, %conv20
%arrayidx23 = getelementptr inbounds i16, i16* %arg2, i32 %add5
%7 = load i16, i16* %arrayidx23, align 2
%conv24 = sext i16 %7 to i64
%conv25 = sext i16 %3 to i64
%mul26 = mul nsw i64 %conv24, %conv25
%add27 = add i64 %mul21, %mac2.057
%add28 = add i64 %add27, %mul26
%add29 = add nuw nsw i32 %i.056, 4
%cmp = icmp slt i32 %add29, %arg
br i1 %cmp, label %for.body, label %for.cond.cleanup
}
define i64 @reduction_zext(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
; CHECK-LABEL: @reduction_zext
; CHECK-NOT: call i64 @llvm.arm.smlald
; CHECK-NOT: call i32 @llvm.arm.smlad
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i64
%conv4 = zext i16 %0 to i64
%mul = mul nsw i64 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i64
%conv8 = zext i16 %1 to i64
%mul9 = mul nsw i64 %conv7, %conv8
%add10 = add i64 %mul, %mac1.026
%add11 = add i64 %mul9, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

View File

@ -0,0 +1,94 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
; CHECK-LABEL: @test1
; CHECK: %mac1{{\.}}026 = phi i64 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32*
; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2
; CHECK: [[V6:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2
; CHECK: [[V8]] = call i64 @llvm.arm.smlald(i32 [[V5]], i32 [[V7]], i64 %mac1{{\.}}026)
define dso_local i64 @test1(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i64
%conv4 = sext i16 %0 to i64
%mul = mul nsw i64 %conv, %conv4
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i64
%conv8 = sext i16 %1 to i64
%mul9 = mul nsw i64 %conv7, %conv8
%add10 = add i64 %mul, %mac1.026
; And here the Add is the LHS, the Mul the RHS
%add11 = add i64 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
; Here we have i8 loads, which we do want to support, but don't handle yet.
;
; CHECK-LABEL: @test2
; CHECK-NOT: call i64 @llvm.arm.smlad
;
define dso_local i64 @test2(i32 %arg, i32* nocapture readnone %arg1, i8* nocapture readonly %arg2, i8* nocapture readonly %arg3) {
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i8, i8* %arg3, align 2
%.pre27 = load i8, i8* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i8, i8* %arg3, i32 %i.025
%0 = load i8, i8* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i8, i8* %arg3, i32 %add
%1 = load i8, i8* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i8, i8* %arg2, i32 %i.025
%2 = load i8, i8* %arrayidx3, align 2
%conv = sext i8 %2 to i64
%conv4 = sext i8 %0 to i64
%mul = mul nsw i64 %conv, %conv4
%arrayidx6 = getelementptr inbounds i8, i8* %arg2, i32 %add
%3 = load i8, i8* %arrayidx6, align 2
%conv7 = sext i8 %3 to i64
%conv8 = sext i8 %1 to i64
%mul9 = mul nsw i64 %conv7, %conv8
%add10 = add i64 %mul, %mac1.026
%add11 = add i64 %add10, %mul9
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,224 @@
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 < %s -arm-parallel-dsp -S | FileCheck %s
;
; The Cortex-M0 does not support unaligned accesses:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
;
; Check DSP extension:
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define dso_local i64 @OneReduction(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @OneReduction
; CHECK: %mac1{{\.}}026 = phi i64 [ [[V8:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V4:%[0-9]+]] = bitcast i16* %arrayidx3 to i32*
; CHECK: [[V5:%[0-9]+]] = load i32, i32* [[V4]], align 2
; CHECK: [[V6:%[0-9]+]] = bitcast i16* %arrayidx to i32*
; CHECK: [[V7:%[0-9]+]] = load i32, i32* [[V6]], align 2
; CHECK: [[V8]] = call i64 @llvm.arm.smlald(i32 [[V5]], i32 [[V7]], i64 %mac1{{\.}}026)
; CHECK-NOT: call i64 @llvm.arm.smlald
;
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlald
;
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
; One reduction statement here:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%sext0 = sext i32 %mul to i64
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%sext1 = sext i32 %mul9 to i64
%add10 = add i64 %sext0, %mac1.026
; Here the Mul is the LHS, and the Add the RHS.
%add11 = add i64 %sext1, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
define dso_local arm_aapcs_vfpcc i64 @TwoReductions(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
;
; CHECK-LABEL: @TwoReductions
;
; CHECK: %mac1{{\.}}058 = phi i64 [ [[V10:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: %mac2{{\.}}057 = phi i64 [ [[V17:%[0-9]+]], %for.body ], [ 0, %for.body.preheader ]
; CHECK: [[V10]] = call i64 @llvm.arm.smlald(i32 %{{.*}}, i32 %{{.*}}, i64 %mac1{{\.}}058)
; CHECK: [[V17]] = call i64 @llvm.arm.smlald(i32 %{{.*}}, i32 %{{.*}}, i64 %mac2{{\.}}057)
; CHECK-NOT: call i64 @llvm.arm.smlald
;
entry:
%cmp55 = icmp sgt i32 %arg, 0
br i1 %cmp55, label %for.body.preheader, label %for.cond.cleanup
for.cond.cleanup:
%mac2.0.lcssa = phi i64 [ 0, %entry ], [ %add28, %for.body ]
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add16, %for.body ]
%add30 = add nsw i64 %mac1.0.lcssa, %mac2.0.lcssa
ret i64 %add30
for.body.preheader:
br label %for.body
for.body:
; And two reduction statements here:
%mac1.058 = phi i64 [ %add16, %for.body ], [ 0, %for.body.preheader ]
%mac2.057 = phi i64 [ %add28, %for.body ], [ 0, %for.body.preheader ]
%i.056 = phi i32 [ %add29, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.056
%0 = load i16, i16* %arrayidx, align 2
%add1 = or i32 %i.056, 1
%arrayidx2 = getelementptr inbounds i16, i16* %arg3, i32 %add1
%1 = load i16, i16* %arrayidx2, align 2
%add3 = or i32 %i.056, 2
%arrayidx4 = getelementptr inbounds i16, i16* %arg3, i32 %add3
%2 = load i16, i16* %arrayidx4, align 2
%add5 = or i32 %i.056, 3
%arrayidx6 = getelementptr inbounds i16, i16* %arg3, i32 %add5
%3 = load i16, i16* %arrayidx6, align 2
%arrayidx8 = getelementptr inbounds i16, i16* %arg2, i32 %i.056
%4 = load i16, i16* %arrayidx8, align 2
%conv = sext i16 %4 to i32
%conv9 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv9
%sext0 = sext i32 %mul to i64
%arrayidx11 = getelementptr inbounds i16, i16* %arg2, i32 %add1
%5 = load i16, i16* %arrayidx11, align 2
%conv12 = sext i16 %5 to i32
%conv13 = sext i16 %1 to i32
%mul14 = mul nsw i32 %conv12, %conv13
%sext1 = sext i32 %mul14 to i64
%add15 = add i64 %sext0, %mac1.058
%add16 = add i64 %add15, %sext1
%arrayidx18 = getelementptr inbounds i16, i16* %arg2, i32 %add3
%6 = load i16, i16* %arrayidx18, align 2
%conv19 = sext i16 %6 to i32
%conv20 = sext i16 %2 to i32
%mul21 = mul nsw i32 %conv19, %conv20
%sext2 = sext i32 %mul21 to i64
%arrayidx23 = getelementptr inbounds i16, i16* %arg2, i32 %add5
%7 = load i16, i16* %arrayidx23, align 2
%conv24 = sext i16 %7 to i32
%conv25 = sext i16 %3 to i32
%mul26 = mul nsw i32 %conv24, %conv25
%sext3 = sext i32 %mul26 to i64
%add27 = add i64 %sext2, %mac2.057
%add28 = add i64 %add27, %sext3
%add29 = add nuw nsw i32 %i.056, 4
%cmp = icmp slt i32 %add29, %arg
br i1 %cmp, label %for.body, label %for.cond.cleanup
}
define i64 @zext_mul_reduction(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
; CHECK-LABEL: @zext_mul_reduction
; CHECK-NOT: call i64 @llvm.arm.smlald
; CHECK-NOT: call i32 @llvm.arm.smlad
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = zext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%sext0 = sext i32 %mul to i64
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = zext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%sext1 = sext i32 %mul9 to i64
%add10 = add i64 %sext0, %mac1.026
%add11 = add i64 %sext1, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}
define i64 @zext_add_reduction(i32 %arg, i32* nocapture readnone %arg1, i16* nocapture readonly %arg2, i16* nocapture readonly %arg3) {
; CHECK-LABEL: @zext_add_reduction
; CHECK-NOT: call i64 @llvm.arm.smlald
; CHECK-NOT: call i32 @llvm.arm.smlad
entry:
%cmp24 = icmp sgt i32 %arg, 0
br i1 %cmp24, label %for.body.preheader, label %for.cond.cleanup
for.body.preheader:
%.pre = load i16, i16* %arg3, align 2
%.pre27 = load i16, i16* %arg2, align 2
br label %for.body
for.cond.cleanup:
%mac1.0.lcssa = phi i64 [ 0, %entry ], [ %add11, %for.body ]
ret i64 %mac1.0.lcssa
for.body:
%mac1.026 = phi i64 [ %add11, %for.body ], [ 0, %for.body.preheader ]
%i.025 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ]
%arrayidx = getelementptr inbounds i16, i16* %arg3, i32 %i.025
%0 = load i16, i16* %arrayidx, align 2
%add = add nuw nsw i32 %i.025, 1
%arrayidx1 = getelementptr inbounds i16, i16* %arg3, i32 %add
%1 = load i16, i16* %arrayidx1, align 2
%arrayidx3 = getelementptr inbounds i16, i16* %arg2, i32 %i.025
%2 = load i16, i16* %arrayidx3, align 2
%conv = sext i16 %2 to i32
%conv4 = sext i16 %0 to i32
%mul = mul nsw i32 %conv, %conv4
%sext0 = zext i32 %mul to i64
%arrayidx6 = getelementptr inbounds i16, i16* %arg2, i32 %add
%3 = load i16, i16* %arrayidx6, align 2
%conv7 = sext i16 %3 to i32
%conv8 = sext i16 %1 to i32
%mul9 = mul nsw i32 %conv7, %conv8
%sext1 = zext i32 %mul9 to i64
%add10 = add i64 %sext0, %mac1.026
%add11 = add i64 %sext1, %add10
%exitcond = icmp ne i32 %add, %arg
br i1 %exitcond, label %for.body, label %for.cond.cleanup
}

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@ -0,0 +1,249 @@
; RUN: opt -mtriple=thumbv8m.main -mcpu=cortex-m33 -arm-parallel-dsp %s -S -o - | FileCheck %s
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define i64 @smlaldx(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
; CHECK-LABEL: smlaldx
; CHECK: = phi i32 [ 0, %for.body.preheader.new ],
; CHECK: [[ACC0:%[^ ]+]] = phi i64 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN23:%[^ ]+]] = bitcast i16* %pIn2.3 to i32*
; CHECK: [[IN23:%[^ ]+]] = load i32, i32* [[PIN23]], align 2
; CHECK: [[PIN12:%[^ ]+]] = bitcast i16* %pIn1.2 to i32*
; CHECK: [[IN12:%[^ ]+]] = load i32, i32* [[PIN12]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[IN23]], i32 [[IN12]], i64 [[ACC0]])
; CHECK: [[PIN21:%[^ ]+]] = bitcast i16* %pIn2.1 to i32*
; CHECK: [[IN21:%[^ ]+]] = load i32, i32* [[PIN21]], align 2
; CHECK: [[PIN10:%[^ ]+]] = bitcast i16* %pIn1.0 to i32*
; CHECK: [[IN10:%[^ ]+]] = load i32, i32* [[PIN10]], align 2
; CHECK: [[ACC2]] = call i64 @llvm.arm.smlaldx(i32 [[IN21]], i32 [[IN10]], i64 [[ACC1]])
; CHECK-NOT: call i64 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlad
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i64 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i64 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil:
%i.011.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.011.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%sum.010.epil = phi i64 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%sub.epil = sub i32 %j, %i.011.epil
%arrayidx.epil = getelementptr inbounds i16, i16* %pIn2, i32 %sub.epil
%2 = load i16, i16* %arrayidx.epil, align 2
%conv.epil = sext i16 %2 to i32
%arrayidx1.epil = getelementptr inbounds i16, i16* %pIn1, i32 %i.011.epil
%3 = load i16, i16* %arrayidx1.epil, align 2
%conv2.epil = sext i16 %3 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%sext.mul.epil = sext i32 %mul.epil to i64
%add.epil = add nsw i64 %sext.mul.epil, %sum.010.epil
%inc.epil = add nuw i32 %i.011.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i64 %sum.0.lcssa
for.body:
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i64 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%pIn2Base = phi i16* [ %pIn2, %for.body.preheader.new ], [ %pIn2.4, %for.body ]
%pIn2.0 = getelementptr inbounds i16, i16* %pIn2Base, i32 0
%In2 = load i16, i16* %pIn2.0, align 2
%pIn1.0 = getelementptr inbounds i16, i16* %pIn1, i32 %i.011
%In1 = load i16, i16* %pIn1.0, align 2
%inc = or i32 %i.011, 1
%pIn2.1 = getelementptr inbounds i16, i16* %pIn2Base, i32 -1
%In2.1 = load i16, i16* %pIn2.1, align 2
%pIn1.1 = getelementptr inbounds i16, i16* %pIn1, i32 %inc
%In1.1 = load i16, i16* %pIn1.1, align 2
%inc.1 = or i32 %i.011, 2
%pIn2.2 = getelementptr inbounds i16, i16* %pIn2Base, i32 -2
%In2.2 = load i16, i16* %pIn2.2, align 2
%pIn1.2 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.1
%In1.2 = load i16, i16* %pIn1.2, align 2
%inc.2 = or i32 %i.011, 3
%pIn2.3 = getelementptr inbounds i16, i16* %pIn2Base, i32 -3
%In2.3 = load i16, i16* %pIn2.3, align 2
%pIn1.3 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.2
%In1.3 = load i16, i16* %pIn1.3, align 2
%sextIn1 = sext i16 %In1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%sextIn2 = sext i16 %In2 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%mul = mul nsw i32 %sextIn1, %sextIn2
%mul.1 = mul nsw i32 %sextIn1.1, %sextIn2.1
%mul.2 = mul nsw i32 %sextIn1.2, %sextIn2.2
%mul.3 = mul nsw i32 %sextIn1.3, %sextIn2.3
%sext.mul = sext i32 %mul to i64
%sext.mul.1 = sext i32 %mul.1 to i64
%sext.mul.2 = sext i32 %mul.2 to i64
%sext.mul.3 = sext i32 %mul.3 to i64
%add = add nsw i64 %sext.mul, %sum.010
%add.1 = add nsw i64 %sext.mul.1, %add
%add.2 = add nsw i64 %sext.mul.2, %add.1
%add.3 = add nsw i64 %sext.mul.3, %add.2
%inc.3 = add i32 %i.011, 4
%pIn2.4 = getelementptr inbounds i16, i16* %pIn2Base, i32 -4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
define i64 @smlaldx_swap(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
%scevgep6 = getelementptr i16, i16* %pIn1, i32 2
%2 = add i32 %j, -1
%scevgep11 = getelementptr i16, i16* %pIn2, i32 %2
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i64 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i64 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil.preheader
for.body.epil.preheader:
%scevgep = getelementptr i16, i16* %pIn1, i32 %i.011.unr
%3 = sub i32 %j, %i.011.unr
%scevgep2 = getelementptr i16, i16* %pIn2, i32 %3
%4 = sub i32 0, %xtraiter
br label %for.body.epil
for.body.epil:
%lsr.iv5 = phi i32 [ %4, %for.body.epil.preheader ], [ %lsr.iv.next, %for.body.epil ]
%lsr.iv3 = phi i16* [ %scevgep2, %for.body.epil.preheader ], [ %scevgep4, %for.body.epil ]
%lsr.iv = phi i16* [ %scevgep, %for.body.epil.preheader ], [ %scevgep1, %for.body.epil ]
%sum.010.epil = phi i64 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.body.epil.preheader ]
%5 = load i16, i16* %lsr.iv3, align 2
%conv.epil = sext i16 %5 to i32
%6 = load i16, i16* %lsr.iv, align 2
%conv2.epil = sext i16 %6 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%sext.mul.epil = sext i32 %mul.epil to i64
%add.epil = add nsw i64 %sext.mul.epil, %sum.010.epil
%scevgep1 = getelementptr i16, i16* %lsr.iv, i32 1
%scevgep4 = getelementptr i16, i16* %lsr.iv3, i32 -1
%lsr.iv.next = add nsw i32 %lsr.iv5, 1
%epil.iter.cmp = icmp eq i32 %lsr.iv.next, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i64 %sum.0.lcssa
; CHECK-LABEL: smlaldx_swap
; CHECK: for.body.preheader.new:
; CHECK: [[PIN1Base:[^ ]+]] = getelementptr i16, i16* %pIn1
; CHECK: [[PIN2Base:[^ ]+]] = getelementptr i16, i16* %pIn2
; CHECK: for.body:
; CHECK: [[PIN2:%[^ ]+]] = phi i16* [ [[PIN2_NEXT:%[^ ]+]], %for.body ], [ [[PIN2Base]], %for.body.preheader.new ]
; CHECK: [[PIN1:%[^ ]+]] = phi i16* [ [[PIN1_NEXT:%[^ ]+]], %for.body ], [ [[PIN1Base]], %for.body.preheader.new ]
; CHECK: [[IV:%[^ ]+]] = phi i32
; CHECK: [[ACC0:%[^ ]+]] = phi i64 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN1_2:%[^ ]+]] = getelementptr i16, i16* [[PIN1]], i32 -2
; CHECK: [[PIN2_2:%[^ ]+]] = getelementptr i16, i16* [[PIN2]], i32 -2
; CHECK: [[PIN2_2_CAST:%[^ ]+]] = bitcast i16* [[PIN2_2]] to i32*
; CHECK: [[IN2_2:%[^ ]+]] = load i32, i32* [[PIN2_2_CAST]], align 2
; CHECK: [[PIN1_CAST:%[^ ]+]] = bitcast i16* [[PIN1]] to i32*
; CHECK: [[IN1:%[^ ]+]] = load i32, i32* [[PIN1_CAST]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[IN2_2]], i32 [[IN1]], i64 [[ACC0]])
; CHECK: [[PIN2_CAST:%[^ ]+]] = bitcast i16* [[PIN2]] to i32*
; CHECK: [[IN2:%[^ ]+]] = load i32, i32* [[PIN2_CAST]], align 2
; CHECK: [[PIN1_2_CAST:%[^ ]+]] = bitcast i16* [[PIN1_2]] to i32*
; CHECK: [[IN1_2:%[^ ]+]] = load i32, i32* [[PIN1_2_CAST]], align 2
; CHECK: [[ACC2]] = call i64 @llvm.arm.smlaldx(i32 [[IN2]], i32 [[IN1_2]], i64 [[ACC1]])
; CHECK: [[PIN1_NEXT]] = getelementptr i16, i16* [[PIN1]], i32 4
; CHECK: [[PIN2_NEXT]] = getelementptr i16, i16* [[PIN2]], i32 -4
; CHECK-NOT: call i64 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlad
for.body:
%pin2 = phi i16* [ %pin2.sub4, %for.body ], [ %scevgep11, %for.body.preheader.new ]
%pin1 = phi i16* [ %pin1.add4, %for.body ], [ %scevgep6, %for.body.preheader.new ]
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i64 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%pin2.add1 = getelementptr i16, i16* %pin2, i32 1
%In2 = load i16, i16* %pin2.add1, align 2
%pin1.sub2 = getelementptr i16, i16* %pin1, i32 -2
%In1 = load i16, i16* %pin1.sub2, align 2
%In2.1 = load i16, i16* %pin2, align 2
%pin1.sub1 = getelementptr i16, i16* %pin1, i32 -1
%In1.1 = load i16, i16* %pin1.sub1, align 2
%pin2.sub1 = getelementptr i16, i16* %pin2, i32 -1
%In2.2 = load i16, i16* %pin2.sub1, align 2
%In1.2 = load i16, i16* %pin1, align 2
%pin2.sub2 = getelementptr i16, i16* %pin2, i32 -2
%In2.3 = load i16, i16* %pin2.sub2, align 2
%pin1.add1 = getelementptr i16, i16* %pin1, i32 1
%In1.3 = load i16, i16* %pin1.add1, align 2
%sextIn2 = sext i16 %In2 to i32
%sextIn1 = sext i16 %In1 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%mul = mul nsw i32 %sextIn2, %sextIn1
%sext.mul = sext i32 %mul to i64
%add = add nsw i64 %sext.mul, %sum.010
%mul.1 = mul nsw i32 %sextIn2.1, %sextIn1.1
%sext.mul.1 = sext i32 %mul.1 to i64
%add.1 = add nsw i64 %sext.mul.1, %add
%mul.2 = mul nsw i32 %sextIn2.2, %sextIn1.2
%sext.mul.2 = sext i32 %mul.2 to i64
%add.2 = add nsw i64 %sext.mul.2, %add.1
%mul.3 = mul nsw i32 %sextIn2.3, %sextIn1.3
%sext.mul.3 = sext i32 %mul.3 to i64
%add.3 = add nsw i64 %sext.mul.3, %add.2
%inc.3 = add i32 %i.011, 4
%pin1.add4 = getelementptr i16, i16* %pin1, i32 4
%pin2.sub4 = getelementptr i16, i16* %pin2, i32 -4
%niter.ncmp.3 = icmp eq i32 %unroll_iter, %inc.3
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}

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@ -0,0 +1,248 @@
; RUN: opt -mtriple=thumbv8m.main -mcpu=cortex-m33 -arm-parallel-dsp %s -S -o - | FileCheck %s
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m0 < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
; RUN: opt -mtriple=arm-arm-eabi -mcpu=cortex-m33 -mattr=-dsp < %s -arm-parallel-dsp -S | FileCheck %s --check-prefix=CHECK-UNSUPPORTED
define i64 @smlaldx(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
; CHECK-LABEL: smlaldx
; CHECK: = phi i32 [ 0, %for.body.preheader.new ],
; CHECK: [[ACC0:%[^ ]+]] = phi i64 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN23:%[^ ]+]] = bitcast i16* %pIn2.3 to i32*
; CHECK: [[IN23:%[^ ]+]] = load i32, i32* [[PIN23]], align 2
; CHECK: [[PIN12:%[^ ]+]] = bitcast i16* %pIn1.2 to i32*
; CHECK: [[IN12:%[^ ]+]] = load i32, i32* [[PIN12]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[IN23]], i32 [[IN12]], i64 [[ACC0]])
; CHECK: [[PIN21:%[^ ]+]] = bitcast i16* %pIn2.1 to i32*
; CHECK: [[IN21:%[^ ]+]] = load i32, i32* [[PIN21]], align 2
; CHECK: [[PIN10:%[^ ]+]] = bitcast i16* %pIn1.0 to i32*
; CHECK: [[IN10:%[^ ]+]] = load i32, i32* [[PIN10]], align 2
; CHECK: [[ACC2]] = call i64 @llvm.arm.smlaldx(i32 [[IN21]], i32 [[IN10]], i64 [[ACC1]])
; CHECK-NOT: call i64 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlad
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i64 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i64 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil
for.body.epil:
%i.011.epil = phi i32 [ %inc.epil, %for.body.epil ], [ %i.011.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%sum.010.epil = phi i64 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.cond.cleanup.loopexit.unr-lcssa ]
%epil.iter = phi i32 [ %epil.iter.sub, %for.body.epil ], [ %xtraiter, %for.cond.cleanup.loopexit.unr-lcssa ]
%sub.epil = sub i32 %j, %i.011.epil
%arrayidx.epil = getelementptr inbounds i16, i16* %pIn2, i32 %sub.epil
%2 = load i16, i16* %arrayidx.epil, align 2
%conv.epil = sext i16 %2 to i32
%arrayidx1.epil = getelementptr inbounds i16, i16* %pIn1, i32 %i.011.epil
%3 = load i16, i16* %arrayidx1.epil, align 2
%conv2.epil = sext i16 %3 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%sext.mul.epil = sext i32 %mul.epil to i64
%add.epil = add nsw i64 %sext.mul.epil, %sum.010.epil
%inc.epil = add nuw i32 %i.011.epil, 1
%epil.iter.sub = add i32 %epil.iter, -1
%epil.iter.cmp = icmp eq i32 %epil.iter.sub, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i64 %sum.0.lcssa
for.body:
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i64 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%niter = phi i32 [ %unroll_iter, %for.body.preheader.new ], [ %niter.nsub.3, %for.body ]
%pIn2Base = phi i16* [ %pIn2, %for.body.preheader.new ], [ %pIn2.4, %for.body ]
%pIn2.0 = getelementptr inbounds i16, i16* %pIn2Base, i32 0
%In2 = load i16, i16* %pIn2.0, align 2
%pIn1.0 = getelementptr inbounds i16, i16* %pIn1, i32 %i.011
%In1 = load i16, i16* %pIn1.0, align 2
%inc = or i32 %i.011, 1
%pIn2.1 = getelementptr inbounds i16, i16* %pIn2Base, i32 -1
%In2.1 = load i16, i16* %pIn2.1, align 2
%pIn1.1 = getelementptr inbounds i16, i16* %pIn1, i32 %inc
%In1.1 = load i16, i16* %pIn1.1, align 2
%inc.1 = or i32 %i.011, 2
%pIn2.2 = getelementptr inbounds i16, i16* %pIn2Base, i32 -2
%In2.2 = load i16, i16* %pIn2.2, align 2
%pIn1.2 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.1
%In1.2 = load i16, i16* %pIn1.2, align 2
%inc.2 = or i32 %i.011, 3
%pIn2.3 = getelementptr inbounds i16, i16* %pIn2Base, i32 -3
%In2.3 = load i16, i16* %pIn2.3, align 2
%pIn1.3 = getelementptr inbounds i16, i16* %pIn1, i32 %inc.2
%In1.3 = load i16, i16* %pIn1.3, align 2
%sextIn1 = sext i16 %In1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%sextIn2 = sext i16 %In2 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%mul = mul nsw i32 %sextIn1, %sextIn2
%mul.1 = mul nsw i32 %sextIn1.1, %sextIn2.1
%mul.2 = mul nsw i32 %sextIn1.2, %sextIn2.2
%mul.3 = mul nsw i32 %sextIn1.3, %sextIn2.3
%sext.mul = sext i32 %mul to i64
%sext.mul.1 = sext i32 %mul.1 to i64
%sext.mul.2 = sext i32 %mul.2 to i64
%sext.mul.3 = sext i32 %mul.3 to i64
%add = add nsw i64 %sum.010, %sext.mul
%add.1 = add nsw i64 %sext.mul.1, %add
%add.2 = add nsw i64 %add.1, %sext.mul.2
%add.3 = add nsw i64 %sext.mul.3, %add.2
%inc.3 = add i32 %i.011, 4
%pIn2.4 = getelementptr inbounds i16, i16* %pIn2Base, i32 -4
%niter.nsub.3 = add i32 %niter, -4
%niter.ncmp.3 = icmp eq i32 %niter.nsub.3, 0
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}
define i64 @smlaldx_swap(i16* nocapture readonly %pIn1, i16* nocapture readonly %pIn2, i32 %j, i32 %limit) {
entry:
%cmp9 = icmp eq i32 %limit, 0
br i1 %cmp9, label %for.cond.cleanup, label %for.body.preheader
for.body.preheader:
%0 = add i32 %limit, -1
%xtraiter = and i32 %limit, 3
%1 = icmp ult i32 %0, 3
br i1 %1, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body.preheader.new
for.body.preheader.new:
%unroll_iter = sub i32 %limit, %xtraiter
%scevgep6 = getelementptr i16, i16* %pIn1, i32 2
%2 = add i32 %j, -1
%scevgep11 = getelementptr i16, i16* %pIn2, i32 %2
br label %for.body
for.cond.cleanup.loopexit.unr-lcssa:
%add.lcssa.ph = phi i64 [ undef, %for.body.preheader ], [ %add.3, %for.body ]
%i.011.unr = phi i32 [ 0, %for.body.preheader ], [ %inc.3, %for.body ]
%sum.010.unr = phi i64 [ 0, %for.body.preheader ], [ %add.3, %for.body ]
%lcmp.mod = icmp eq i32 %xtraiter, 0
br i1 %lcmp.mod, label %for.cond.cleanup, label %for.body.epil.preheader
for.body.epil.preheader:
%scevgep = getelementptr i16, i16* %pIn1, i32 %i.011.unr
%3 = sub i32 %j, %i.011.unr
%scevgep2 = getelementptr i16, i16* %pIn2, i32 %3
%4 = sub i32 0, %xtraiter
br label %for.body.epil
for.body.epil:
%lsr.iv5 = phi i32 [ %4, %for.body.epil.preheader ], [ %lsr.iv.next, %for.body.epil ]
%lsr.iv3 = phi i16* [ %scevgep2, %for.body.epil.preheader ], [ %scevgep4, %for.body.epil ]
%lsr.iv = phi i16* [ %scevgep, %for.body.epil.preheader ], [ %scevgep1, %for.body.epil ]
%sum.010.epil = phi i64 [ %add.epil, %for.body.epil ], [ %sum.010.unr, %for.body.epil.preheader ]
%5 = load i16, i16* %lsr.iv3, align 2
%conv.epil = sext i16 %5 to i32
%6 = load i16, i16* %lsr.iv, align 2
%conv2.epil = sext i16 %6 to i32
%mul.epil = mul nsw i32 %conv2.epil, %conv.epil
%sext.mul.epil = sext i32 %mul.epil to i64
%add.epil = add nsw i64 %sext.mul.epil, %sum.010.epil
%scevgep1 = getelementptr i16, i16* %lsr.iv, i32 1
%scevgep4 = getelementptr i16, i16* %lsr.iv3, i32 -1
%lsr.iv.next = add nsw i32 %lsr.iv5, 1
%epil.iter.cmp = icmp eq i32 %lsr.iv.next, 0
br i1 %epil.iter.cmp, label %for.cond.cleanup, label %for.body.epil
for.cond.cleanup:
%sum.0.lcssa = phi i64 [ 0, %entry ], [ %add.lcssa.ph, %for.cond.cleanup.loopexit.unr-lcssa ], [ %add.epil, %for.body.epil ]
ret i64 %sum.0.lcssa
; CHECK-LABEL: smlaldx_swap
; CHECK: for.body.preheader.new:
; CHECK: [[PIN1Base:[^ ]+]] = getelementptr i16, i16* %pIn1
; CHECK: [[PIN2Base:[^ ]+]] = getelementptr i16, i16* %pIn2
; CHECK: for.body:
; CHECK: [[PIN2:%[^ ]+]] = phi i16* [ [[PIN2_NEXT:%[^ ]+]], %for.body ], [ [[PIN2Base]], %for.body.preheader.new ]
; CHECK: [[PIN1:%[^ ]+]] = phi i16* [ [[PIN1_NEXT:%[^ ]+]], %for.body ], [ [[PIN1Base]], %for.body.preheader.new ]
; CHECK: [[IV:%[^ ]+]] = phi i32
; CHECK: [[ACC0:%[^ ]+]] = phi i64 [ 0, %for.body.preheader.new ], [ [[ACC2:%[^ ]+]], %for.body ]
; CHECK: [[PIN1_2:%[^ ]+]] = getelementptr i16, i16* [[PIN1]], i32 -2
; CHECK: [[PIN2_2:%[^ ]+]] = getelementptr i16, i16* [[PIN2]], i32 -2
; CHECK: [[PIN2_CAST:%[^ ]+]] = bitcast i16* [[PIN2]] to i32*
; CHECK: [[IN2:%[^ ]+]] = load i32, i32* [[PIN2_CAST]], align 2
; CHECK: [[PIN1_2_CAST:%[^ ]+]] = bitcast i16* [[PIN1_2]] to i32*
; CHECK: [[IN1_2:%[^ ]+]] = load i32, i32* [[PIN1_2_CAST]], align 2
; CHECK: [[ACC1:%[^ ]+]] = call i64 @llvm.arm.smlaldx(i32 [[IN2]], i32 [[IN1_2]], i64 [[ACC0]])
; CHECK: [[PIN1_CAST:%[^ ]+]] = bitcast i16* [[PIN1]] to i32*
; CHECK: [[IN1:%[^ ]+]] = load i32, i32* [[PIN1_CAST]], align 2
; CHECK: [[PIN2_2_CAST:%[^ ]+]] = bitcast i16* [[PIN2_2]] to i32*
; CHECK: [[IN2_2:%[^ ]+]] = load i32, i32* [[PIN2_2_CAST]], align 2
; CHECK: [[ACC2]] = call i64 @llvm.arm.smlaldx(i32 [[IN1]], i32 [[IN2_2]], i64 [[ACC1]])
; CHECK: [[PIN1_NEXT]] = getelementptr i16, i16* [[PIN1]], i32 4
; CHECK: [[PIN2_NEXT]] = getelementptr i16, i16* [[PIN2]], i32 -4
; CHECK-NOT: call i64 @llvm.arm.smlad
; CHECK-UNSUPPORTED-NOT: call i64 @llvm.arm.smlad
for.body:
%pin2 = phi i16* [ %pin2.sub4, %for.body ], [ %scevgep11, %for.body.preheader.new ]
%pin1 = phi i16* [ %pin1.add4, %for.body ], [ %scevgep6, %for.body.preheader.new ]
%i.011 = phi i32 [ 0, %for.body.preheader.new ], [ %inc.3, %for.body ]
%sum.010 = phi i64 [ 0, %for.body.preheader.new ], [ %add.3, %for.body ]
%pin2.add1 = getelementptr i16, i16* %pin2, i32 1
%In2 = load i16, i16* %pin2.add1, align 2
%pin1.sub2 = getelementptr i16, i16* %pin1, i32 -2
%In1 = load i16, i16* %pin1.sub2, align 2
%In2.1 = load i16, i16* %pin2, align 2
%pin1.sub1 = getelementptr i16, i16* %pin1, i32 -1
%In1.1 = load i16, i16* %pin1.sub1, align 2
%pin2.sub1 = getelementptr i16, i16* %pin2, i32 -1
%In2.2 = load i16, i16* %pin2.sub1, align 2
%In1.2 = load i16, i16* %pin1, align 2
%pin2.sub2 = getelementptr i16, i16* %pin2, i32 -2
%In2.3 = load i16, i16* %pin2.sub2, align 2
%pin1.add1 = getelementptr i16, i16* %pin1, i32 1
%In1.3 = load i16, i16* %pin1.add1, align 2
%sextIn2 = sext i16 %In2 to i32
%sextIn1 = sext i16 %In1 to i32
%sextIn2.1 = sext i16 %In2.1 to i32
%sextIn1.1 = sext i16 %In1.1 to i32
%sextIn2.2 = sext i16 %In2.2 to i32
%sextIn1.2 = sext i16 %In1.2 to i32
%sextIn2.3 = sext i16 %In2.3 to i32
%sextIn1.3 = sext i16 %In1.3 to i32
%mul = mul nsw i32 %sextIn2, %sextIn1
%sext.mul = sext i32 %mul to i64
%add = add nsw i64 %sext.mul, %sum.010
%mul.1 = mul nsw i32 %sextIn2.1, %sextIn1.1
%sext.mul.1 = sext i32 %mul.1 to i64
%add.1 = add nsw i64 %sext.mul.1, %add
%mul.2 = mul nsw i32 %sextIn2.2, %sextIn1.2
%sext.mul.2 = sext i32 %mul.2 to i64
%add.2 = add nsw i64 %add.1, %sext.mul.2
%mul.3 = mul nsw i32 %sextIn2.3, %sextIn1.3
%sext.mul.3 = sext i32 %mul.3 to i64
%add.3 = add nsw i64 %add.2, %sext.mul.3
%inc.3 = add i32 %i.011, 4
%pin1.add4 = getelementptr i16, i16* %pin1, i32 4
%pin2.sub4 = getelementptr i16, i16* %pin2, i32 -4
%niter.ncmp.3 = icmp eq i32 %unroll_iter, %inc.3
br i1 %niter.ncmp.3, label %for.cond.cleanup.loopexit.unr-lcssa, label %for.body
}