File: 2008-07-22-CombinerCrash.ll

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llvm 2.6-9.1
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2
; PR2566

external global i16		; <i16*>:0 [#uses=1]
external global <4 x i16>		; <<4 x i16>*>:1 [#uses=1]

declare void @abort()

define void @t() nounwind {
	load 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
}