forked from OSchip/llvm-project
44 lines
1.4 KiB
LLVM
44 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -mtriple=x86_64-unknown-unknown < %s -simplifycfg-merge-cond-stores=true -simplifycfg-merge-cond-stores-aggressively=false -phi-node-folding-threshold=2 -S | FileCheck %s
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define void @test_costly(i32* %p, i32 %a, i32 %b, i32 %c, i32 %d) {
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; CHECK-LABEL: @test_costly(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[X1:%.*]] = icmp eq i32 [[A:%.*]], 0
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; CHECK-NEXT: br i1 [[X1]], label [[FALLTHROUGH:%.*]], label [[YES1:%.*]]
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; CHECK: yes1:
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; CHECK-NEXT: [[VAL0:%.*]] = sdiv i32 [[D:%.*]], [[C:%.*]]
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; CHECK-NEXT: store i32 [[VAL0]], i32* [[P:%.*]], align 4
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; CHECK-NEXT: br label [[FALLTHROUGH]]
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; CHECK: fallthrough:
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; CHECK-NEXT: [[X2:%.*]] = icmp eq i32 [[B:%.*]], 0
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; CHECK-NEXT: br i1 [[X2]], label [[END:%.*]], label [[YES2:%.*]]
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; CHECK: yes2:
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; CHECK-NEXT: [[VAL1:%.*]] = sdiv i32 [[C]], [[D]]
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; CHECK-NEXT: store i32 [[VAL1]], i32* [[P]], align 4
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; CHECK-NEXT: br label [[END]]
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; CHECK: end:
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; CHECK-NEXT: ret void
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;
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entry:
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%x1 = icmp eq i32 %a, 0
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br i1 %x1, label %fallthrough, label %yes1
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yes1:
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%val0 = sdiv i32 %d, %c
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store i32 %val0, i32* %p
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br label %fallthrough
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fallthrough:
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%x2 = icmp eq i32 %b, 0
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br i1 %x2, label %end, label %yes2
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yes2:
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%val1 = sdiv i32 %c, %d
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store i32 %val1, i32* %p
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br label %end
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end:
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ret void
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}
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