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22 lines
1.0 KiB
LLVM
22 lines
1.0 KiB
LLVM
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+sse2 -o %t -f
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; RUN: grep pshuflw %t | count 1
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; RUN: grep pextrw %t | count 2
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; RUN: grep pinsrw %t | count 2
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; PR2585
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; FIXME: This testcase produces icky code. It can be made much better!
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external constant <4 x i32> ; <<4 x i32>*>:0 [#uses=1]
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external constant <4 x i16> ; <<4 x i16>*>:1 [#uses=1]
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define internal void @""() {
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load <4 x i32>* @0, align 16 ; <<4 x i32>>:1 [#uses=1]
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bitcast <4 x i32> %1 to <8 x i16> ; <<8 x i16>>:2[#uses=1]
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shufflevector <8 x i16> %2, <8 x i16> undef, <8 x i32> < i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef > ; <<8x i16>>:3 [#uses=1]
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bitcast <8 x i16> %3 to <2 x i64> ; <<2 x i64>>:4 [#uses=1]
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extractelement <2 x i64> %4, i32 0 ; <i64>:5 [#uses=1]
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bitcast i64 %5 to <4 x i16> ; <<4 x i16>>:6 [#uses=1]
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store <4 x i16> %6, <4 x i16>* @1, align 8
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ret void
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}
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