16 lines
347 B
LLVM
16 lines
347 B
LLVM
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; RUN: opt -S < %s -dse -enable-dse-memoryssa=false | 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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