Add more rotate tests, including ORs of rotates

This is a part of https://reviews.llvm.org/D47735.

llvm-svn: 356683
This commit is contained in:
Krzysztof Parzyszek 2019-03-21 17:14:22 +00:00
parent b4fe87d0c9
commit 4719502941
3 changed files with 244 additions and 0 deletions

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@ -0,0 +1,90 @@
; RUN: llc -march=hexagon < %s | FileCheck %s
; OR of two rotates of %a0(r0).
; CHECK-LABEL: f0:
; CHECK: r[[R00:[0-9]+]] = rol(r0,#7)
; CHECK: r[[R00]] |= rol(r0,#9)
define i32 @f0(i32 %a0) #0 {
b0:
%v0 = shl i32 %a0, 7
%v1 = lshr i32 %a0, 25
%v2 = or i32 %v0, %v1
%v3 = shl i32 %a0, 9
%v4 = lshr i32 %a0, 23
%v5 = or i32 %v3, %v4
%v6 = or i32 %v2, %v5
ret i32 %v6
}
; OR of two rotates of %a0(r0) with an extra input %a1(r1).
; CHECK-LABEL: f1:
; CHECK: r1 |= asl(r0,#7)
; CHECK: r1 |= rol(r0,#9)
define i32 @f1(i32 %a0, i32 %a1) #0 {
b0:
%v0 = shl i32 %a0, 7
%v1 = lshr i32 %a0, 25
%v2 = or i32 %v0, %a1
%v3 = shl i32 %a0, 9
%v4 = lshr i32 %a0, 23
%v5 = or i32 %v3, %v4
%v6 = or i32 %v2, %v5
%v7 = or i32 %v6, %v1
ret i32 %v6
}
; OR of two rotates of two different inputs: %a0(r0) and %a1(r1).
; CHECK-LABEL: f2:
; CHECK: r[[R20:[0-9]+]] = asl(r0,#11)
; CHECK: r[[R21:[0-9]+]] = lsr(r0,#21)
; CHECK: r[[R22:[0-9]+]] = lsr(r1,#13)
; CHECK: r[[R20]] |= asl(r1,#19)
; CHECK: r[[R20]] |= or(r[[R21]],r[[R22]])
define i32 @f2(i32 %a0, i32 %a1) #0 {
%v0 = shl i32 %a0, 11
%v1 = lshr i32 %a0, 21
%v2 = shl i32 %a1, 19
%v3 = lshr i32 %a1, 13
%v4 = or i32 %v0, %v2
%v5 = or i32 %v1, %v3
%v6 = or i32 %v4, %v5
ret i32 %v6
}
; ORs of multiple shifts of the same value with only one pair actually
; matching a rotate.
; CHECK-LABEL: f3:
; CHECK: r[[R30:[0-9]+]] = asl(r0,#3)
; CHECK: r[[R30]] |= asl(r0,#5)
; CHECK: r[[R30]] |= asl(r0,#7)
; CHECK: r[[R30]] |= asl(r0,#13)
; CHECK: r[[R30]] |= asl(r0,#19)
; CHECK: r[[R30]] |= lsr(r0,#2)
; CHECK: r[[R30]] |= lsr(r0,#15)
; CHECK: r[[R30]] |= lsr(r0,#23)
; CHECK: r[[R30]] |= lsr(r0,#25)
; CHECK: r[[R30]] |= lsr(r0,#30)
define i32 @f3(i32 %a0) #0 {
%v0 = shl i32 %a0, 3
%v1 = shl i32 %a0, 5
%v2 = shl i32 %a0, 7 ; rotate
%v3 = shl i32 %a0, 13
%v4 = shl i32 %a0, 19
%v5 = lshr i32 %a0, 2
%v6 = lshr i32 %a0, 15
%v7 = lshr i32 %a0, 23
%v8 = lshr i32 %a0, 25 ; rotate
%v9 = lshr i32 %a0, 30
%v10 = or i32 %v0, %v1
%v11 = or i32 %v10, %v2
%v12 = or i32 %v11, %v3
%v13 = or i32 %v12, %v4
%v14 = or i32 %v13, %v5
%v15 = or i32 %v14, %v6
%v16 = or i32 %v15, %v7
%v17 = or i32 %v16, %v8
%v18 = or i32 %v17, %v9
ret i32 %v18
}
attributes #0 = { readnone nounwind "target-cpu"="hexagonv60" "target-features"="-packets" }

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@ -134,6 +134,18 @@ b0:
ret i32 %v3
}
; CHECK-LABEL: f11
; CHECK: r0 |= lsr(r1,#25)
; CHECK: r0 |= asl(r1,#7)
define i32 @f11(i32 %a0, i32 %a1) #0 {
b0:
%v0 = shl i32 %a1, 7
%v1 = lshr i32 %a1, 25
%v2 = or i32 %v1, %a0
%v3 = or i32 %v2, %v0
ret i32 %v3
}
; CHECK-LABEL: f12
; CHECK: r0 ^= rol(r1,#7)
define i32 @f12(i32 %a0, i32 %a1) #0 {
@ -178,6 +190,18 @@ b0:
ret i64 %v3
}
; CHECK-LABEL: f16
; CHECK: r1:0 |= lsr(r3:2,#57)
; CHECK: r1:0 |= asl(r3:2,#7)
define i64 @f16(i64 %a0, i64 %a1) #0 {
b0:
%v0 = shl i64 %a1, 7
%v1 = lshr i64 %a1, 57
%v2 = or i64 %v1, %a0
%v3 = or i64 %v2, %v0
ret i64 %v3
}
; CHECK-LABEL: f17
; CHECK: r1:0 ^= rol(r3:2,#7)
define i64 @f17(i64 %a0, i64 %a1) #0 {

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=x86_64-- < %s | FileCheck %s
; OR of two rotates of %a0(edi).
define i32 @f0(i32 %a0) #0 {
; CHECK-LABEL: f0:
; CHECK: # %bb.0: # %b0
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: roll $7, %ecx
; CHECK-NEXT: roll $9, %eax
; CHECK-NEXT: orl %ecx, %eax
; CHECK-NEXT: retq
b0:
%v0 = shl i32 %a0, 7
%v1 = lshr i32 %a0, 25
%v2 = or i32 %v0, %v1
%v3 = shl i32 %a0, 9
%v4 = lshr i32 %a0, 23
%v5 = or i32 %v3, %v4
%v6 = or i32 %v2, %v5
ret i32 %v6
}
; OR of two rotates of %a0(edi) with an extra input %a1(esi).
define i32 @f1(i32 %a0, i32 %a1) #0 {
; CHECK-LABEL: f1:
; CHECK: # %bb.0: # %b0
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shll $7, %ecx
; CHECK-NEXT: roll $9, %eax
; CHECK-NEXT: orl %esi, %eax
; CHECK-NEXT: orl %ecx, %eax
; CHECK-NEXT: retq
b0:
%v0 = shl i32 %a0, 7
%v1 = lshr i32 %a0, 25
%v2 = or i32 %v0, %a1
%v3 = shl i32 %a0, 9
%v4 = lshr i32 %a0, 23
%v5 = or i32 %v3, %v4
%v6 = or i32 %v2, %v5
%v7 = or i32 %v6, %v1
ret i32 %v6
}
; OR of two rotates of two different inputs: %a0(edi) and %a1(esi).
define i32 @f2(i32 %a0, i32 %a1) #0 {
; CHECK-LABEL: f2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shll $11, %ecx
; CHECK-NEXT: shrl $21, %edi
; CHECK-NEXT: movl %esi, %edx
; CHECK-NEXT: shll $19, %edx
; CHECK-NEXT: shrl $13, %eax
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: orl %edx, %eax
; CHECK-NEXT: orl %ecx, %eax
; CHECK-NEXT: retq
%v0 = shl i32 %a0, 11
%v1 = lshr i32 %a0, 21
%v2 = shl i32 %a1, 19
%v3 = lshr i32 %a1, 13
%v4 = or i32 %v0, %v2
%v5 = or i32 %v1, %v3
%v6 = or i32 %v4, %v5
ret i32 %v6
}
; ORs of multiple shifts of the same value with only one pair actually
; matching a rotate.
define i32 @f3(i32 %a0) #0 {
; CHECK-LABEL: f3:
; CHECK: # %bb.0: # %b0
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: leal (,%rdi,8), %eax
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shll $5, %ecx
; CHECK-NEXT: movl %edi, %edx
; CHECK-NEXT: shll $7, %edx
; CHECK-NEXT: orl %ecx, %edx
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shll $13, %ecx
; CHECK-NEXT: orl %edx, %ecx
; CHECK-NEXT: movl %edi, %edx
; CHECK-NEXT: shll $19, %edx
; CHECK-NEXT: orl %ecx, %edx
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shrl $2, %ecx
; CHECK-NEXT: orl %edx, %ecx
; CHECK-NEXT: movl %edi, %edx
; CHECK-NEXT: shrl $15, %edx
; CHECK-NEXT: orl %ecx, %edx
; CHECK-NEXT: movl %edi, %ecx
; CHECK-NEXT: shrl $23, %ecx
; CHECK-NEXT: orl %edx, %ecx
; CHECK-NEXT: movl %edi, %edx
; CHECK-NEXT: shrl $25, %edx
; CHECK-NEXT: orl %ecx, %edx
; CHECK-NEXT: shrl $30, %edi
; CHECK-NEXT: orl %edx, %edi
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: retq
b0:
%v0 = shl i32 %a0, 3
%v1 = shl i32 %a0, 5
%v2 = shl i32 %a0, 7 ; rotate
%v3 = shl i32 %a0, 13
%v4 = shl i32 %a0, 19
%v5 = lshr i32 %a0, 2
%v6 = lshr i32 %a0, 15
%v7 = lshr i32 %a0, 23
%v8 = lshr i32 %a0, 25 ; rotate
%v9 = lshr i32 %a0, 30
%v10 = or i32 %v0, %v1
%v11 = or i32 %v10, %v2
%v12 = or i32 %v11, %v3
%v13 = or i32 %v12, %v4
%v14 = or i32 %v13, %v5
%v15 = or i32 %v14, %v6
%v16 = or i32 %v15, %v7
%v17 = or i32 %v16, %v8
%v18 = or i32 %v17, %v9
ret i32 %v18
}
attributes #0 = { readnone nounwind }