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Imported Upstream version 5.18.0.179

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Former-commit-id: 67aa10e65b237e1c4537630979ee99ebe1374215
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Xamarin Public Jenkins (auto-signing)
2018-10-25 08:34:57 +00:00
parent d6bde52373
commit 8625704ad8
28485 changed files with 3866843 additions and 50 deletions
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21
external/llvm/test/Transforms/Reassociate/pr21205.ll vendored Normal file
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@@ -0,0 +1,21 @@
; RUN: opt -reassociate -S < %s | FileCheck %s
; PR21205
@a = common global i32 0, align 4
@b = common global i32 0, align 4
; Don't canonicalize %conv - undef into %conv + (-undef).
; CHECK-LABEL: @test1
; CHECK: %sub = fsub fast float %conv, undef
; CHECK: %sub1 = fadd fast float %sub, -1.000000e+00
define i32 @test1() {
entry:
%0 = load i32, i32* @a, align 4
%conv = sitofp i32 %0 to float
%sub = fsub fast float %conv, undef
%sub1 = fadd fast float %sub, -1.000000e+00
%conv2 = fptosi float %sub1 to i32
store i32 %conv2, i32* @b, align 4
ret i32 undef
}