; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=X64 ; widening shuffle v3float and then a add define void @shuf(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind { ; X86-LABEL: shuf: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: addps %xmm1, %xmm0 ; X86-NEXT: extractps $2, %xmm0, 8(%eax) ; X86-NEXT: extractps $1, %xmm0, 4(%eax) ; X86-NEXT: movss %xmm0, (%eax) ; X86-NEXT: retl ; ; X64-LABEL: shuf: ; X64: # %bb.0: # %entry ; X64-NEXT: addps %xmm1, %xmm0 ; X64-NEXT: extractps $2, %xmm0, 8(%rdi) ; X64-NEXT: movlps %xmm0, (%rdi) ; X64-NEXT: retq entry: %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 1, i32 2> %val = fadd <3 x float> %x, %src2 store <3 x float> %val, <3 x float>* %dst.addr ret void } ; widening shuffle v3float with a different mask and then a add define void @shuf2(<3 x float>* %dst.addr, <3 x float> %src1,<3 x float> %src2) nounwind { ; X86-LABEL: shuf2: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3] ; X86-NEXT: addps %xmm1, %xmm0 ; X86-NEXT: extractps $2, %xmm0, 8(%eax) ; X86-NEXT: extractps $1, %xmm0, 4(%eax) ; X86-NEXT: movss %xmm0, (%eax) ; X86-NEXT: retl ; ; X64-LABEL: shuf2: ; X64: # %bb.0: # %entry ; X64-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3] ; X64-NEXT: addps %xmm1, %xmm0 ; X64-NEXT: extractps $2, %xmm0, 8(%rdi) ; X64-NEXT: movlps %xmm0, (%rdi) ; X64-NEXT: retq entry: %x = shufflevector <3 x float> %src1, <3 x float> %src2, <3 x i32> < i32 0, i32 4, i32 2> %val = fadd <3 x float> %x, %src2 store <3 x float> %val, <3 x float>* %dst.addr ret void } ; Example of when widening a v3float operation causes the DAG to replace a node ; with the operation that we are currently widening, i.e. when replacing ; opA with opB, the DAG will produce new operations with opA. define void @shuf3(<4 x float> %tmp10, <4 x float> %vecinit15, <4 x float>* %dst) nounwind { ; X86-LABEL: shuf3: ; X86: # %bb.0: # %entry ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0,0,0] ; X86-NEXT: movaps %xmm1, (%eax) ; X86-NEXT: retl ; ; X64-LABEL: shuf3: ; X64: # %bb.0: # %entry ; X64-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0,0,0] ; X64-NEXT: movaps %xmm1, (%rdi) ; X64-NEXT: retq entry: %shuffle.i.i.i12 = shufflevector <4 x float> %tmp10, <4 x float> %vecinit15, <4 x i32> %tmp25.i.i = shufflevector <4 x float> %shuffle.i.i.i12, <4 x float> undef, <3 x i32> %tmp1.i.i = shufflevector <3 x float> %tmp25.i.i, <3 x float> zeroinitializer, <4 x i32> %tmp3.i13 = shufflevector <4 x float> %tmp1.i.i, <4 x float> undef, <3 x i32> ; <<3 x float>> %tmp6.i14 = shufflevector <3 x float> %tmp3.i13, <3 x float> zeroinitializer, <4 x i32> %tmp97.i = shufflevector <4 x float> %tmp6.i14, <4 x float> undef, <3 x i32> %tmp2.i18 = shufflevector <3 x float> %tmp97.i, <3 x float> undef, <4 x i32> %t5 = bitcast <4 x float> %tmp2.i18 to <4 x i32> %shr.i.i19 = lshr <4 x i32> %t5, %and.i.i20 = and <4 x i32> %shr.i.i19, %shuffle.i.i.i21 = shufflevector <4 x float> %tmp2.i18, <4 x float> undef, <4 x i32> store <4 x float> %shuffle.i.i.i21, <4 x float>* %dst ret void } ; PR10421: make sure we correctly handle extreme widening with CONCAT_VECTORS define <8 x i8> @shuf4(<4 x i8> %a, <4 x i8> %b) nounwind readnone { ; X86-LABEL: shuf4: ; X86: # %bb.0: ; X86-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; X86-NEXT: retl ; ; X64-LABEL: shuf4: ; X64: # %bb.0: ; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; X64-NEXT: retq %vshuf = shufflevector <4 x i8> %a, <4 x i8> %b, <8 x i32> ret <8 x i8> %vshuf } ; PR11389: another CONCAT_VECTORS case define void @shuf5(<8 x i8>* %p) nounwind { ; X86-LABEL: shuf5: ; X86: # %bb.0: ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero ; X86-NEXT: movsd %xmm0, (%eax) ; X86-NEXT: retl ; ; X64-LABEL: shuf5: ; X64: # %bb.0: ; X64-NEXT: movabsq $2387225703656530209, %rax # imm = 0x2121212121212121 ; X64-NEXT: movq %rax, (%rdi) ; X64-NEXT: retq %v = shufflevector <2 x i8> , <2 x i8> undef, <8 x i32> store <8 x i8> %v, <8 x i8>* %p, align 8 ret void }