46 lines
1.7 KiB
LLVM
46 lines
1.7 KiB
LLVM
; RUN: llc < %s -march=x86-64 -mcpu=corei7 | FileCheck %s
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; rdar://11897677
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;CHECK-LABEL: intrin_pmov:
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;CHECK: pmovzxbw (%{{.*}}), %xmm0
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;CHECK-NEXT: movdqu
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;CHECK-NEXT: ret
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define void @intrin_pmov(i16* noalias %dest, i8* noalias %src) nounwind uwtable ssp {
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%1 = bitcast i8* %src to <2 x i64>*
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%2 = load <2 x i64>, <2 x i64>* %1, align 16
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%3 = bitcast <2 x i64> %2 to <16 x i8>
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%4 = tail call <8 x i16> @llvm.x86.sse41.pmovzxbw(<16 x i8> %3) nounwind
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%5 = bitcast i16* %dest to i8*
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%6 = bitcast <8 x i16> %4 to <16 x i8>
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tail call void @llvm.x86.sse2.storeu.dq(i8* %5, <16 x i8> %6) nounwind
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ret void
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}
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declare <8 x i16> @llvm.x86.sse41.pmovzxbw(<16 x i8>) nounwind readnone
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declare void @llvm.x86.sse2.storeu.dq(i8*, <16 x i8>) nounwind
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; rdar://15245794
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define <4 x i32> @foo0(double %v.coerce) nounwind ssp {
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; CHECK-LABEL: foo0
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; CHECK: pmovzxwd %xmm0, %xmm0
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; CHECK-NEXT: ret
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%tmp = bitcast double %v.coerce to <4 x i16>
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%tmp1 = shufflevector <4 x i16> %tmp, <4 x i16> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
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%tmp2 = tail call <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16> %tmp1) nounwind
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ret <4 x i32> %tmp2
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}
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define <8 x i16> @foo1(double %v.coerce) nounwind ssp {
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; CHECK-LABEL: foo1
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; CHECK: pmovzxbw %xmm0, %xmm0
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; CHECK-NEXT: ret
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%tmp = bitcast double %v.coerce to <8 x i8>
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%tmp1 = shufflevector <8 x i8> %tmp, <8 x i8> undef, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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%tmp2 = tail call <8 x i16> @llvm.x86.sse41.pmovzxbw(<16 x i8> %tmp1)
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ret <8 x i16> %tmp2
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}
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declare <4 x i32> @llvm.x86.sse41.pmovzxwd(<8 x i16>) nounwind readnone
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