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26 lines
840 B
LLVM
26 lines
840 B
LLVM
; RUN: llc < %s -march=x86 -mattr=+sse2 -mcpu=yonah | FileCheck %s
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; RUN: llc < %s -march=x86-64 -mattr=+sse2 -mcpu=core2 | FileCheck %s
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define i32 @t(<2 x i64>* %val) nounwind {
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; CHECK: t:
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; CHECK-NOT: movd
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; CHECK: movl 8(
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; CHECK-NEXT: ret
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%tmp2 = load <2 x i64>* %val, align 16 ; <<2 x i64>> [#uses=1]
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%tmp3 = bitcast <2 x i64> %tmp2 to <4 x i32> ; <<4 x i32>> [#uses=1]
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%tmp4 = extractelement <4 x i32> %tmp3, i32 2 ; <i32> [#uses=1]
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ret i32 %tmp4
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}
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; Case where extractelement of load ends up as undef.
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; (Making sure this doesn't crash.)
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define i32 @t2(<8 x i32>* %xp) {
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; CHECK: t2:
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; CHECK: ret
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%x = load <8 x i32>* %xp
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%Shuff68 = shufflevector <8 x i32> %x, <8 x i32> undef, <8 x i32> <i32
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undef, i32 7, i32 9, i32 undef, i32 13, i32 15, i32 1, i32 3>
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%y = extractelement <8 x i32> %Shuff68, i32 0
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ret i32 %y
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}
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