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Imported Upstream version 5.18.0.246

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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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27
external/llvm/test/Transforms/NewGVN/int_sideeffect.ll vendored Normal file
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@@ -0,0 +1,27 @@
; RUN: opt -S < %s -newgvn | FileCheck %s
declare void @llvm.sideeffect()
; Store-to-load forwarding across a @llvm.sideeffect.
; CHECK-LABEL: s2l
; CHECK-NOT: load
define float @s2l(float* %p) {
store float 0.0, float* %p
call void @llvm.sideeffect()
%t = load float, float* %p
ret float %t
}
; Redundant load elimination across a @llvm.sideeffect.
; CHECK-LABEL: rle
; CHECK: load
; CHECK-NOT: load
define float @rle(float* %p) {
%r = load float, float* %p
call void @llvm.sideeffect()
%s = load float, float* %p
%t = fadd float %r, %s
ret float %t
}