Imported Upstream version 5.18.0.246

Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions

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; RUN: opt -S < %s -dse | FileCheck %s
declare void @llvm.sideeffect()
; Dead store elimination across a @llvm.sideeffect.
; CHECK-LABEL: dse
; CHECK: store
; CHECK-NOT: store
define void @dse(float* %p) {
store float 0.0, float* %p
call void @llvm.sideeffect()
store float 0.0, float* %p
ret void
}