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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
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19
external/llvm/test/Transforms/InstCombine/2011-02-14-InfLoop.ll vendored Normal file
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; This testcase causes an infinite loop in the instruction combiner,
; because it changes a pattern and the original pattern is almost
; identical to the newly-generated pattern.
; RUN: opt < %s -instcombine -disable-output
;PR PR9216
target triple = "x86_64-unknown-linux-gnu"
define <4 x float> @m_387(i8* noalias nocapture %A, i8* nocapture %B, <4 x i1> %C) nounwind {
entry:
%movcsext20 = sext <4 x i1> %C to <4 x i32>
%tmp2389 = xor <4 x i32> %movcsext20, <i32 -1, i32 -1, i32 -1, i32 -1>
%movcand25 = and <4 x i32> %tmp2389, <i32 undef, i32 undef, i32 undef, i32 -1>
%movcor26 = or <4 x i32> %movcand25, zeroinitializer
%L2 = bitcast <4 x i32> %movcor26 to <4 x float>
%L3 = shufflevector <4 x float> zeroinitializer, <4 x float> %L2, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
ret <4 x float> %L3
}