15 lines
318 B
LLVM
15 lines
318 B
LLVM
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; RUN: opt -S < %s -instcombine | FileCheck %s
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declare void @llvm.sideeffect()
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; Store-to-load forwarding across a @llvm.sideeffect.
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; CHECK-LABEL: s2l
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; CHECK-NOT: load
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define float @s2l(float* %p) {
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store float 0.0, float* %p
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call void @llvm.sideeffect()
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%t = load float, float* %p
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ret float %t
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}
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