llvm-mirror/test/Transforms/InstCombine/2009-07-02-MaskedIntVector.ll

; RUN: opt < %s -instcombine | llvm-dis
; PR4495

define i32 @test(i64 %test) {
entry:
	%0 = bitcast <4 x i32> undef to <16 x i8>		; <<16 x i8>> [#uses=1]
	%t12 = shufflevector <16 x i8> %0, <16 x i8> zeroinitializer, <16 x i32> <i32 0, i32 16, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0>		; <<16 x i8>> [#uses=1]
	%t11 = bitcast <16 x i8> %t12 to <2 x i64>		; <<2 x i64>> [#uses=1]
	%t9 = extractelement <2 x i64> %t11, i32 0		; <i64> [#uses=1]
	%t10 = bitcast i64 %t9 to <2 x i32>		; <<2 x i32>> [#uses=1]
	%t7 = bitcast i64 %test to <2 x i32>		; <<2 x i32>> [#uses=1]
	%t6 = xor <2 x i32> %t10, %t7		; <<2 x i32>> [#uses=1]
	%t1 = extractelement <2 x i32> %t6, i32 0		; <i32> [#uses=1]
	ret i32 %t1
}