da52b9c118
This copies the DSE tests into a MSSA subdirectory to test the MemorySSA backed DSE implementation, without disturbing the original tests. Differential Revision: https://reviews.llvm.org/D72145
16 lines
341 B
LLVM
16 lines
341 B
LLVM
; RUN: opt -S < %s -dse -enable-dse-memoryssa | FileCheck %s
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declare void @llvm.sideeffect()
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; Dead store elimination across a @llvm.sideeffect.
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; CHECK-LABEL: dse
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; CHECK: store
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; CHECK-NOT: store
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define void @dse(float* %p) {
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store float 0.0, float* %p
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call void @llvm.sideeffect()
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store float 0.0, float* %p
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ret void
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}
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