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[IndVarSimplify][NFC] Autogenerate check lines in loop_evaluate_1.ll 

Being affected by upcoming patch.

llvm-svn: 366746
This commit is contained in:
Roman Lebedev 2019-07-22 22:08:27 +00:00
parent 63b921f01d
commit d5a52aeab6
1 changed files with 27 additions and 18 deletions
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45
llvm/test/Transforms/IndVarSimplify/loop_evaluate_1.ll
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@ -1,34 +1,43 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -indvars -loop-deletion -simplifycfg -S | FileCheck %s
; Testcase distilled from 256.bzip2
; CHECK-LABEL: @test1
; CHECK-NOT: br
define i32 @test1() {
; CHECK-LABEL: @test1(
; CHECK-NEXT: entry:
; CHECK-NEXT: ret i32 364
;
entry:
br label %loopentry
br label %loopentry
loopentry: ; preds = %loopentry, %entry
%indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1]
%h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1]
%tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1]
%tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2]
%indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2]
%exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1]
br i1 %exitcond3, label %loopentry, label %loopexit
%indvar1 = phi i32 [ 0, %entry ], [ %indvar.next2, %loopentry ] ; <i32> [#uses=1]
%h.0 = phi i32 [ %tmp.2, %loopentry ], [ 4, %entry ] ; <i32> [#uses=1]
%tmp.1 = mul i32 %h.0, 3 ; <i32> [#uses=1]
%tmp.2 = add i32 %tmp.1, 1 ; <i32> [#uses=2]
%indvar.next2 = add i32 %indvar1, 1 ; <i32> [#uses=2]
%exitcond3 = icmp ne i32 %indvar.next2, 4 ; <i1> [#uses=1]
br i1 %exitcond3, label %loopentry, label %loopexit
loopexit: ; preds = %loopentry
ret i32 %tmp.2
ret i32 %tmp.2
}
; PR12377
; CHECK-LABEL: @test2
; CHECK: [[VAR1:%.+]] = add i32 %arg, -11
; CHECK: [[VAR2:%.+]] = lshr i32 [[VAR1]], 1
; CHECK: [[VAR3:%.+]] = add nuw i32 [[VAR2]], 1
; CHECK: [[VAR4:%.+]] = phi i32 [ 0, %bb ], [ [[VAR3]], %bb1.preheader ]
; CHECK: ret i32 [[VAR4]]
define i32 @test2(i32 %arg) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: bb:
; CHECK-NEXT: [[TMP:%.*]] = icmp ugt i32 [[ARG:%.*]], 10
; CHECK-NEXT: br i1 [[TMP]], label [[BB1_PREHEADER:%.*]], label [[BB7:%.*]]
; CHECK: bb1.preheader:
; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[ARG]], -11
; CHECK-NEXT: [[TMP1:%.*]] = lshr i32 [[TMP0]], 1
; CHECK-NEXT: [[TMP2:%.*]] = add nuw i32 [[TMP1]], 1
; CHECK-NEXT: br label [[BB7]]
; CHECK: bb7:
; CHECK-NEXT: [[TMP8:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[TMP2]], [[BB1_PREHEADER]] ]
; CHECK-NEXT: ret i32 [[TMP8]]
;
bb:
%tmp = icmp ugt i32 %arg, 10
br i1 %tmp, label %bb1, label %bb7