llvm-for-llvmta/test/CodeGen/X86/2008-07-22-CombinerCrash.ll

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2022-04-25 10:02:23 +02:00
; RUN: llc < %s -mtriple=i686-- -mattr=+sse2
; PR2566
@0 = external dso_local global i16 ; <i16*>:0 [#uses=1]
@1 = external dso_local global <4 x i16> ; <<4 x i16>*>:1 [#uses=1]
declare void @abort()
define void @t() nounwind {
load i16, i16* @0 ; <i16>:1 [#uses=1]
zext i16 %1 to i64 ; <i64>:2 [#uses=1]
bitcast i64 %2 to <4 x i16> ; <<4 x i16>>:3 [#uses=1]
shufflevector <4 x i16> %3, <4 x i16> undef, <4 x i32> zeroinitializer ; <<4 x i16>>:4 [#uses=1]
store <4 x i16> %4, <4 x i16>* @1
ret void
}