; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE42 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1 ; RUN: llc < %s -mtriple=x86_64-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2 ; PR6399 define <2 x i32> @_mul2xi32a(<2 x i32>, <2 x i32>) { ; SSE2-LABEL: _mul2xi32a: ; SSE2: # %bb.0: ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: retq ; ; SSE42-LABEL: _mul2xi32a: ; SSE42: # %bb.0: ; SSE42-NEXT: pmulld %xmm1, %xmm0 ; SSE42-NEXT: retq ; ; AVX-LABEL: _mul2xi32a: ; AVX: # %bb.0: ; AVX-NEXT: vpmulld %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %r = mul <2 x i32> %0, %1 ret <2 x i32> %r } define <2 x i32> @_mul2xi32b(<2 x i32>, <2 x i32>) { ; SSE-LABEL: _mul2xi32b: ; SSE: # %bb.0: ; SSE-NEXT: pmuludq %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: _mul2xi32b: ; AVX: # %bb.0: ; AVX-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %factor0 = shufflevector <2 x i32> %0, <2 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %factor1 = shufflevector <2 x i32> %1, <2 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %product64 = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %factor0, <4 x i32> %factor1) readnone %product = bitcast <2 x i64> %product64 to <4 x i32> %r = shufflevector <4 x i32> %product, <4 x i32> undef, <2 x i32> <i32 0, i32 4> ret <2 x i32> %r } define <4 x i32> @_mul4xi32a(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: _mul4xi32a: ; SSE2: # %bb.0: ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: retq ; ; SSE42-LABEL: _mul4xi32a: ; SSE42: # %bb.0: ; SSE42-NEXT: pmulld %xmm1, %xmm0 ; SSE42-NEXT: retq ; ; AVX-LABEL: _mul4xi32a: ; AVX: # %bb.0: ; AVX-NEXT: vpmulld %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %r = mul <4 x i32> %0, %1 ret <4 x i32> %r } define <4 x i32> @_mul4xi32b(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: _mul4xi32b: ; SSE2: # %bb.0: ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm1, %xmm0 ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE2-NEXT: pmuludq %xmm2, %xmm1 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] ; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; SSE2-NEXT: retq ; ; SSE42-LABEL: _mul4xi32b: ; SSE42: # %bb.0: ; SSE42-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3] ; SSE42-NEXT: pmuludq %xmm1, %xmm0 ; SSE42-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE42-NEXT: pmuludq %xmm2, %xmm1 ; SSE42-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,2,2] ; SSE42-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5],xmm1[6,7] ; SSE42-NEXT: retq ; ; AVX1-LABEL: _mul4xi32b: ; AVX1: # %bb.0: ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm2 ; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,2,2] ; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm2[0,1],xmm0[2,3],xmm2[4,5],xmm0[6,7] ; AVX1-NEXT: retq ; ; AVX2-LABEL: _mul4xi32b: ; AVX2: # %bb.0: ; AVX2-NEXT: vpmuludq %xmm1, %xmm0, %xmm2 ; AVX2-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; AVX2-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; AVX2-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,2,2] ; AVX2-NEXT: vpblendd {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2],xmm0[3] ; AVX2-NEXT: retq %even0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %even1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %evenMul64 = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %even0, <4 x i32> %even1) readnone %evenMul = bitcast <2 x i64> %evenMul64 to <4 x i32> %odd0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 3, i32 undef> %odd1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 3, i32 undef> %oddMul64 = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %odd0, <4 x i32> %odd1) readnone %oddMul = bitcast <2 x i64> %oddMul64 to <4 x i32> %r = shufflevector <4 x i32> %evenMul, <4 x i32> %oddMul, <4 x i32> <i32 0, i32 4, i32 2, i32 6> ret <4 x i32> %r } ; the following extractelement's and insertelement's ; are just an unrolled 'zext' on a vector ; %ext0 = zext <4 x i32> %0 to <4 x i64> ; %ext1 = zext <4 x i32> %1 to <4 x i64> define <4 x i64> @_mul4xi32toi64a(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: _mul4xi32toi64a: ; SSE2: # %bb.0: ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[0,1,1,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm0[0,1,1,3] ; SSE2-NEXT: pmuludq %xmm3, %xmm2 ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm1[2,1,3,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm0[2,1,3,3] ; SSE2-NEXT: pmuludq %xmm3, %xmm1 ; SSE2-NEXT: movdqa %xmm2, %xmm0 ; SSE2-NEXT: retq ; ; SSE42-LABEL: _mul4xi32toi64a: ; SSE42: # %bb.0: ; SSE42-NEXT: pmovzxdq {{.*#+}} xmm3 = xmm1[0],zero,xmm1[1],zero ; SSE42-NEXT: pmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero ; SSE42-NEXT: pmuludq %xmm3, %xmm2 ; SSE42-NEXT: pshufd {{.*#+}} xmm3 = xmm1[2,1,3,3] ; SSE42-NEXT: pshufd {{.*#+}} xmm1 = xmm0[2,1,3,3] ; SSE42-NEXT: pmuludq %xmm3, %xmm1 ; SSE42-NEXT: movdqa %xmm2, %xmm0 ; SSE42-NEXT: retq ; ; AVX1-LABEL: _mul4xi32toi64a: ; AVX1: # %bb.0: ; AVX1-NEXT: vpshufd {{.*#+}} xmm2 = xmm1[2,1,3,3] ; AVX1-NEXT: vpshufd {{.*#+}} xmm3 = xmm0[2,1,3,3] ; AVX1-NEXT: vpmuludq %xmm2, %xmm3, %xmm2 ; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero ; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm0, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: _mul4xi32toi64a: ; AVX2: # %bb.0: ; AVX2-NEXT: vpmovzxdq {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero ; AVX2-NEXT: vpmovzxdq {{.*#+}} ymm1 = xmm1[0],zero,xmm1[1],zero,xmm1[2],zero,xmm1[3],zero ; AVX2-NEXT: vpmuludq %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %f00 = extractelement <4 x i32> %0, i32 0 %f01 = extractelement <4 x i32> %0, i32 1 %f02 = extractelement <4 x i32> %0, i32 2 %f03 = extractelement <4 x i32> %0, i32 3 %f10 = extractelement <4 x i32> %1, i32 0 %f11 = extractelement <4 x i32> %1, i32 1 %f12 = extractelement <4 x i32> %1, i32 2 %f13 = extractelement <4 x i32> %1, i32 3 %ext00 = zext i32 %f00 to i64 %ext01 = zext i32 %f01 to i64 %ext02 = zext i32 %f02 to i64 %ext03 = zext i32 %f03 to i64 %ext10 = zext i32 %f10 to i64 %ext11 = zext i32 %f11 to i64 %ext12 = zext i32 %f12 to i64 %ext13 = zext i32 %f13 to i64 %extv00 = insertelement <4 x i64> undef, i64 %ext00, i32 0 %extv01 = insertelement <4 x i64> %extv00, i64 %ext01, i32 1 %extv02 = insertelement <4 x i64> %extv01, i64 %ext02, i32 2 %extv03 = insertelement <4 x i64> %extv02, i64 %ext03, i32 3 %extv10 = insertelement <4 x i64> undef, i64 %ext10, i32 0 %extv11 = insertelement <4 x i64> %extv10, i64 %ext11, i32 1 %extv12 = insertelement <4 x i64> %extv11, i64 %ext12, i32 2 %extv13 = insertelement <4 x i64> %extv12, i64 %ext13, i32 3 %r = mul <4 x i64> %extv03, %extv13 ret <4 x i64> %r } ; very similar to mul4xi32 above ; there is no bitcast and the final shuffle is a little different define <4 x i64> @_mul4xi32toi64b(<4 x i32>, <4 x i32>) { ; SSE-LABEL: _mul4xi32toi64b: ; SSE: # %bb.0: ; SSE-NEXT: movdqa %xmm0, %xmm2 ; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; SSE-NEXT: pmuludq %xmm1, %xmm2 ; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; SSE-NEXT: pmuludq %xmm0, %xmm1 ; SSE-NEXT: movdqa %xmm2, %xmm0 ; SSE-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] ; SSE-NEXT: punpckhqdq {{.*#+}} xmm2 = xmm2[1],xmm1[1] ; SSE-NEXT: movdqa %xmm2, %xmm1 ; SSE-NEXT: retq ; ; AVX1-LABEL: _mul4xi32toi64b: ; AVX1: # %bb.0: ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm2 ; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vpunpckhqdq {{.*#+}} xmm1 = xmm2[1],xmm0[1] ; AVX1-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0] ; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: _mul4xi32toi64b: ; AVX2: # %bb.0: ; AVX2-NEXT: vpmuludq %xmm1, %xmm0, %xmm2 ; AVX2-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[1,1,3,3] ; AVX2-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[1,1,3,3] ; AVX2-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vpunpckhqdq {{.*#+}} xmm1 = xmm2[1],xmm0[1] ; AVX2-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm2[0],xmm0[0] ; AVX2-NEXT: vinserti128 $1, %xmm1, %ymm0, %ymm0 ; AVX2-NEXT: retq %even0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %even1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 2, i32 undef> %evenMul = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %even0, <4 x i32> %even1) readnone %odd0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 3, i32 undef> %odd1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 3, i32 undef> %oddMul = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %odd0, <4 x i32> %odd1) readnone %r = shufflevector <2 x i64> %evenMul, <2 x i64> %oddMul, <4 x i32> <i32 0, i32 2, i32 1, i32 3> ret <4 x i64> %r } ; Here we do not split into even and odd indexed elements ; but into the lower and the upper half of the factor vectors. ; This makes the initial shuffle more complicated, ; but the final shuffle is a no-op. define <4 x i64> @_mul4xi32toi64c(<4 x i32>, <4 x i32>) { ; SSE2-LABEL: _mul4xi32toi64c: ; SSE2: # %bb.0: ; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[0,1,1,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[0,1,1,3] ; SSE2-NEXT: pmuludq %xmm3, %xmm2 ; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,1,3,3] ; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[2,1,3,3] ; SSE2-NEXT: pmuludq %xmm0, %xmm1 ; SSE2-NEXT: movdqa %xmm2, %xmm0 ; SSE2-NEXT: retq ; ; SSE42-LABEL: _mul4xi32toi64c: ; SSE42: # %bb.0: ; SSE42-NEXT: pmovzxdq {{.*#+}} xmm3 = xmm0[0],zero,xmm0[1],zero ; SSE42-NEXT: pmovzxdq {{.*#+}} xmm2 = xmm1[0],zero,xmm1[1],zero ; SSE42-NEXT: pmuludq %xmm3, %xmm2 ; SSE42-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,2,3,3] ; SSE42-NEXT: pshufd {{.*#+}} xmm1 = xmm1[2,2,3,3] ; SSE42-NEXT: pmuludq %xmm0, %xmm1 ; SSE42-NEXT: movdqa %xmm2, %xmm0 ; SSE42-NEXT: retq ; ; AVX1-LABEL: _mul4xi32toi64c: ; AVX1: # %bb.0: ; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero ; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm3 = xmm1[0],zero,xmm1[1],zero ; AVX1-NEXT: vpmuludq %xmm3, %xmm2, %xmm2 ; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3] ; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[2,2,3,3] ; AVX1-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm2, %ymm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: _mul4xi32toi64c: ; AVX2: # %bb.0: ; AVX2-NEXT: vpmovzxdq {{.*#+}} xmm2 = xmm0[0],zero,xmm0[1],zero ; AVX2-NEXT: vpmovzxdq {{.*#+}} xmm3 = xmm1[0],zero,xmm1[1],zero ; AVX2-NEXT: vpmuludq %xmm3, %xmm2, %xmm2 ; AVX2-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3] ; AVX2-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[2,2,3,3] ; AVX2-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX2-NEXT: vinserti128 $1, %xmm0, %ymm2, %ymm0 ; AVX2-NEXT: retq %lower0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 1, i32 undef> %lower1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 undef, i32 1, i32 undef> %lowerMul = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %lower0, <4 x i32> %lower1) readnone %upper0 = shufflevector <4 x i32> %0, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 3, i32 undef> %upper1 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 undef, i32 3, i32 undef> %upperMul = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %upper0, <4 x i32> %upper1) readnone %r = shufflevector <2 x i64> %lowerMul, <2 x i64> %upperMul, <4 x i32> <i32 0, i32 1, i32 2, i32 3> ret <4 x i64> %r } ; If we know, that the most significant half of i64 elements are zero, ; then multiplication can be simplified drastically. ; In the following example I assert a zero upper half ; by 'trunc' followed by 'zext'. ; ; the following extractelement's and insertelement's ; are just an unrolled 'trunc' plus 'zext' on a vector ; %trunc0 = trunc <2 x i64> %0 to <2 x i32> ; %trunc1 = trunc <2 x i64> %1 to <2 x i32> ; %ext0 = zext <2 x i32> %0 to <2 x i64> ; %ext1 = zext <2 x i32> %1 to <2 x i64> define <2 x i64> @_mul2xi64toi64a(<2 x i64>, <2 x i64>) { ; SSE-LABEL: _mul2xi64toi64a: ; SSE: # %bb.0: ; SSE-NEXT: pmuludq %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: _mul2xi64toi64a: ; AVX: # %bb.0: ; AVX-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %f00 = extractelement <2 x i64> %0, i32 0 %f01 = extractelement <2 x i64> %0, i32 1 %f10 = extractelement <2 x i64> %1, i32 0 %f11 = extractelement <2 x i64> %1, i32 1 %trunc00 = trunc i64 %f00 to i32 %trunc01 = trunc i64 %f01 to i32 %ext00 = zext i32 %trunc00 to i64 %ext01 = zext i32 %trunc01 to i64 %trunc10 = trunc i64 %f10 to i32 %trunc11 = trunc i64 %f11 to i32 %ext10 = zext i32 %trunc10 to i64 %ext11 = zext i32 %trunc11 to i64 %extv00 = insertelement <2 x i64> undef, i64 %ext00, i32 0 %extv01 = insertelement <2 x i64> %extv00, i64 %ext01, i32 1 %extv10 = insertelement <2 x i64> undef, i64 %ext10, i32 0 %extv11 = insertelement <2 x i64> %extv10, i64 %ext11, i32 1 %r = mul <2 x i64> %extv01, %extv11 ret <2 x i64> %r } define <2 x i64> @_mul2xi64toi64b(<2 x i64>, <2 x i64>) { ; SSE-LABEL: _mul2xi64toi64b: ; SSE: # %bb.0: ; SSE-NEXT: pmuludq %xmm1, %xmm0 ; SSE-NEXT: retq ; ; AVX-LABEL: _mul2xi64toi64b: ; AVX: # %bb.0: ; AVX-NEXT: vpmuludq %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retq %f0 = bitcast <2 x i64> %0 to <4 x i32> %f1 = bitcast <2 x i64> %1 to <4 x i32> %r = call <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32> %f0, <4 x i32> %f1) readnone ret <2 x i64> %r } declare <2 x i64> @llvm.x86.sse2.pmulu.dq(<4 x i32>, <4 x i32>) nounwind readnone