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https://github.com/RPCS3/llvm-mirror.git
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4a45626e2f
Summary: Use MemorySSA, if requested, to do less conservative memory dependency checking. This change doesn't enable the MemorySSA enhanced EarlyCSE in the default pipelines, so should be NFC. Reviewers: dberlin, sanjoy, reames, majnemer Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D19821 llvm-svn: 280279
68 lines
1.5 KiB
LLVM
68 lines
1.5 KiB
LLVM
; RUN: opt < %s -S -early-cse | FileCheck %s
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; RUN: opt < %s -S -basicaa -early-cse-memssa | FileCheck %s
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; CHECK-LABEL: @test1(
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define void @test1(float %A, float %B, float* %PA, float* %PB) {
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; CHECK-NEXT: fadd
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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%C = fadd float %A, %B
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store float %C, float* %PA
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%D = fadd float %B, %A
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store float %D, float* %PB
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ret void
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}
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; CHECK-LABEL: @test2(
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define void @test2(float %A, float %B, i1* %PA, i1* %PB) {
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; CHECK-NEXT: fcmp
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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%C = fcmp oeq float %A, %B
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store i1 %C, i1* %PA
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%D = fcmp oeq float %B, %A
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store i1 %D, i1* %PB
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ret void
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}
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; CHECK-LABEL: @test3(
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define void @test3(float %A, float %B, i1* %PA, i1* %PB) {
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; CHECK-NEXT: fcmp
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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%C = fcmp uge float %A, %B
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store i1 %C, i1* %PA
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%D = fcmp ule float %B, %A
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store i1 %D, i1* %PB
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ret void
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}
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; CHECK-LABEL: @test4(
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define void @test4(i32 %A, i32 %B, i1* %PA, i1* %PB) {
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; CHECK-NEXT: icmp
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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%C = icmp eq i32 %A, %B
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store i1 %C, i1* %PA
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%D = icmp eq i32 %B, %A
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store i1 %D, i1* %PB
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ret void
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}
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; CHECK-LABEL: @test5(
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define void @test5(i32 %A, i32 %B, i1* %PA, i1* %PB) {
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; CHECK-NEXT: icmp
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; CHECK-NEXT: store
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; CHECK-NEXT: store
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; CHECK-NEXT: ret
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%C = icmp sgt i32 %A, %B
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store i1 %C, i1* %PA
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%D = icmp slt i32 %B, %A
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store i1 %D, i1* %PB
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ret void
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}
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