51ff04567b
After investigation by @asbirlea, the issue that caused the revert appears to be an issue in the original source, rather than a problem with the compiler. This patch enables MemorySSA DSE again. This reverts commit 915310bf14cbac58a81fd60e0fa9dc8d341108e2.
16 lines
319 B
LLVM
16 lines
319 B
LLVM
; RUN: opt -S < %s -dse | 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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