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Imported Upstream version 6.10.0.49

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Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
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Xamarin Public Jenkins (auto-signing)
2020-01-16 16:38:04 +00:00
parent d94e79959b
commit 468663ddbb
48518 changed files with 2789335 additions and 61176 deletions
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30
external/llvm-project/llvm/test/Transforms/GVNHoist/int_sideeffect.ll vendored Normal file
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@@ -0,0 +1,30 @@
; RUN: opt -S < %s -gvn-hoist | FileCheck %s
declare void @llvm.sideeffect()
; GVN hoisting across a @llvm.sideeffect.
; CHECK-LABEL: scalarsHoisting
; CHECK: = fsub
; CHECK: br i1 %cmp,
; CHECK-NOT: fsub
define float @scalarsHoisting(float %d, float %m, float %a, i1 %cmp) {
entry:
br i1 %cmp, label %if.then, label %if.else
if.then:
call void @llvm.sideeffect()
%sub0 = fsub float %m, %a
%mul = fmul float %sub0, %d
br label %if.end
if.else:
%sub1 = fsub float %m, %a
%div = fdiv float %sub1, %d
br label %if.end
if.end:
%phi = phi float [ %mul, %if.then ], [ %div, %if.else ]
ret float %phi
}