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Imported Upstream version 5.18.0.225

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Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
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Xamarin Public Jenkins (auto-signing)
2018-12-21 19:01:49 +00:00
parent 32d52ae4ca
commit f32dbaf0b2
28477 changed files with 3866961 additions and 38 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
}