; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i386-unknown-unknown -mattr=+sse -O3 | FileCheck %s --check-prefixes=CHECK,X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=-sse2,+sse -O3 | FileCheck %s --check-prefixes=CHECK,X64 ; Tests for SSE1 and below, without SSE2+. ; PR7993 ;define <4 x i32> @test3(<4 x i16> %a) nounwind { ; %c = sext <4 x i16> %a to <4 x i32> ; <<4 x i32>> [#uses=1] ; ret <4 x i32> %c ;} ; This should not emit shuffles to populate the top 2 elements of the 4-element ; vector that this ends up returning. ; rdar://8368414 define <2 x float> @test4(<2 x float> %A, <2 x float> %B) nounwind { ; CHECK-LABEL: test4: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: movaps %xmm0, %xmm2 ; CHECK-NEXT: shufps {{.*#+}} xmm2 = xmm2[1,1],xmm0[1,1] ; CHECK-NEXT: addss %xmm1, %xmm0 ; CHECK-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,1,1] ; CHECK-NEXT: subss %xmm1, %xmm2 ; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm2[0],xmm0[1],xmm2[1] ; CHECK-NEXT: ret{{[l|q]}} entry: %tmp7 = extractelement <2 x float> %A, i32 0 %tmp5 = extractelement <2 x float> %A, i32 1 %tmp3 = extractelement <2 x float> %B, i32 0 %tmp1 = extractelement <2 x float> %B, i32 1 %add.r = fadd float %tmp7, %tmp3 %add.i = fsub float %tmp5, %tmp1 %tmp11 = insertelement <2 x float> undef, float %add.r, i32 0 %tmp9 = insertelement <2 x float> %tmp11, float %add.i, i32 1 ret <2 x float> %tmp9 } ; We used to get stuck in type legalization for this example when lowering the ; vselect. With SSE1 v4f32 is a legal type but v4i1 (or any vector integer type) ; is not. We used to ping pong between splitting the vselect for the v4i ; condition operand and widening the resulting vselect for the v4f32 result. ; PR18036 define <4 x float> @vselect(ptr%p, <4 x i32> %q) { ; X86-LABEL: vselect: ; X86: # %bb.0: # %entry ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: xorps %xmm0, %xmm0 ; X86-NEXT: je .LBB1_1 ; X86-NEXT: # %bb.2: # %entry ; X86-NEXT: xorps %xmm1, %xmm1 ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: jne .LBB1_5 ; X86-NEXT: .LBB1_4: ; X86-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: jne .LBB1_8 ; X86-NEXT: .LBB1_7: ; X86-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero ; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1] ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: je .LBB1_10 ; X86-NEXT: jmp .LBB1_11 ; X86-NEXT: .LBB1_1: ; X86-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: je .LBB1_4 ; X86-NEXT: .LBB1_5: # %entry ; X86-NEXT: xorps %xmm2, %xmm2 ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: je .LBB1_7 ; X86-NEXT: .LBB1_8: # %entry ; X86-NEXT: xorps %xmm3, %xmm3 ; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1] ; X86-NEXT: cmpl $0, {{[0-9]+}}(%esp) ; X86-NEXT: jne .LBB1_11 ; X86-NEXT: .LBB1_10: ; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X86-NEXT: .LBB1_11: # %entry ; X86-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; X86-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0] ; X86-NEXT: retl ; ; X64-LABEL: vselect: ; X64: # %bb.0: # %entry ; X64-NEXT: testl %edx, %edx ; X64-NEXT: xorps %xmm0, %xmm0 ; X64-NEXT: je .LBB1_1 ; X64-NEXT: # %bb.2: # %entry ; X64-NEXT: xorps %xmm1, %xmm1 ; X64-NEXT: testl %ecx, %ecx ; X64-NEXT: jne .LBB1_5 ; X64-NEXT: .LBB1_4: ; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero ; X64-NEXT: testl %r8d, %r8d ; X64-NEXT: jne .LBB1_8 ; X64-NEXT: .LBB1_7: ; X64-NEXT: movss {{.*#+}} xmm3 = mem[0],zero,zero,zero ; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1] ; X64-NEXT: testl %esi, %esi ; X64-NEXT: je .LBB1_10 ; X64-NEXT: jmp .LBB1_11 ; X64-NEXT: .LBB1_1: ; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero ; X64-NEXT: testl %ecx, %ecx ; X64-NEXT: je .LBB1_4 ; X64-NEXT: .LBB1_5: # %entry ; X64-NEXT: xorps %xmm2, %xmm2 ; X64-NEXT: testl %r8d, %r8d ; X64-NEXT: je .LBB1_7 ; X64-NEXT: .LBB1_8: # %entry ; X64-NEXT: xorps %xmm3, %xmm3 ; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm3[0],xmm2[1],xmm3[1] ; X64-NEXT: testl %esi, %esi ; X64-NEXT: jne .LBB1_11 ; X64-NEXT: .LBB1_10: ; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X64-NEXT: .LBB1_11: # %entry ; X64-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] ; X64-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0] ; X64-NEXT: retq entry: %a1 = icmp eq <4 x i32> %q, zeroinitializer %a14 = select <4 x i1> %a1, <4 x float> <float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+0> , <4 x float> zeroinitializer ret <4 x float> %a14 } ; v4i32 isn't legal for SSE1, but this should be cmpps. define <4 x float> @PR28044(<4 x float> %a0, <4 x float> %a1) nounwind { ; CHECK-LABEL: PR28044: ; CHECK: # %bb.0: ; CHECK-NEXT: cmpeqps %xmm1, %xmm0 ; CHECK-NEXT: ret{{[l|q]}} %cmp = fcmp oeq <4 x float> %a0, %a1 %sext = sext <4 x i1> %cmp to <4 x i32> %res = bitcast <4 x i32> %sext to <4 x float> ret <4 x float> %res } ; Don't crash trying to do the impossible: an integer vector comparison doesn't exist, so we must scalarize. ; https://llvm.org/bugs/show_bug.cgi?id=30512 define <4 x i32> @PR30512(<4 x i32> %x, <4 x i32> %y) nounwind { ; X86-LABEL: PR30512: ; X86: # %bb.0: ; X86-NEXT: pushl %ebx ; X86-NEXT: pushl %edi ; X86-NEXT: pushl %esi ; X86-NEXT: subl $16, %esp ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl {{[0-9]+}}(%esp), %edx ; X86-NEXT: movl {{[0-9]+}}(%esp), %esi ; X86-NEXT: movl {{[0-9]+}}(%esp), %edi ; X86-NEXT: xorl %ebx, %ebx ; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edi ; X86-NEXT: sete %bl ; X86-NEXT: negl %ebx ; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp) ; X86-NEXT: xorl %ebx, %ebx ; X86-NEXT: cmpl {{[0-9]+}}(%esp), %esi ; X86-NEXT: sete %bl ; X86-NEXT: negl %ebx ; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp) ; X86-NEXT: xorl %ebx, %ebx ; X86-NEXT: cmpl {{[0-9]+}}(%esp), %edx ; X86-NEXT: sete %bl ; X86-NEXT: negl %ebx ; X86-NEXT: movl %ebx, {{[0-9]+}}(%esp) ; X86-NEXT: xorl %edx, %edx ; X86-NEXT: cmpl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: sete %dl ; X86-NEXT: negl %edx ; X86-NEXT: movl %edx, (%esp) ; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X86-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero ; X86-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] ; X86-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X86-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero ; X86-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1] ; X86-NEXT: movlhps {{.*#+}} xmm2 = xmm2[0],xmm1[0] ; X86-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm2 ; X86-NEXT: movaps %xmm2, (%eax) ; X86-NEXT: addl $16, %esp ; X86-NEXT: popl %esi ; X86-NEXT: popl %edi ; X86-NEXT: popl %ebx ; X86-NEXT: retl $4 ; ; X64-LABEL: PR30512: ; X64: # %bb.0: ; X64-NEXT: movq %rdi, %rax ; X64-NEXT: xorl %edi, %edi ; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %r8d ; X64-NEXT: sete %dil ; X64-NEXT: negl %edi ; X64-NEXT: movl %edi, -{{[0-9]+}}(%rsp) ; X64-NEXT: xorl %edi, %edi ; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %ecx ; X64-NEXT: sete %dil ; X64-NEXT: negl %edi ; X64-NEXT: movl %edi, -{{[0-9]+}}(%rsp) ; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: cmpl {{[0-9]+}}(%rsp), %edx ; X64-NEXT: sete %cl ; X64-NEXT: negl %ecx ; X64-NEXT: movl %ecx, -{{[0-9]+}}(%rsp) ; X64-NEXT: xorl %ecx, %ecx ; X64-NEXT: cmpl %r9d, %esi ; X64-NEXT: sete %cl ; X64-NEXT: negl %ecx ; X64-NEXT: movl %ecx, -{{[0-9]+}}(%rsp) ; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X64-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero ; X64-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] ; X64-NEXT: movss {{.*#+}} xmm0 = mem[0],zero,zero,zero ; X64-NEXT: movss {{.*#+}} xmm2 = mem[0],zero,zero,zero ; X64-NEXT: unpcklps {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1] ; X64-NEXT: movlhps {{.*#+}} xmm2 = xmm2[0],xmm1[0] ; X64-NEXT: andps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm2 ; X64-NEXT: movaps %xmm2, (%rax) ; X64-NEXT: retq %cmp = icmp eq <4 x i32> %x, %y %zext = zext <4 x i1> %cmp to <4 x i32> ret <4 x i32> %zext } ; Fragile test warning - we need to induce the generation of a vselect ; post-legalization to cause the crash seen in: ; https://llvm.org/bugs/show_bug.cgi?id=31672 ; Is there a way to do that without an unsafe/fast sqrt intrinsic call? ; ; We now no longer try to lower sqrt using rsqrt with SSE1 only as the ; v4i32 vselect mentioned above should never have been created. We ended up ; scalarizing it anyway. define <2 x float> @PR31672() #0 { ; X86-LABEL: PR31672: ; X86: # %bb.0: ; X86-NEXT: sqrtps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 ; X86-NEXT: retl ; ; X64-LABEL: PR31672: ; X64: # %bb.0: ; X64-NEXT: sqrtps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 ; X64-NEXT: retq %t0 = call fast <2 x float> @llvm.sqrt.v2f32(<2 x float> <float 42.0, float 3.0>) ret <2 x float> %t0 } declare <2 x float> @llvm.sqrt.v2f32(<2 x float>) #1 attributes #0 = { nounwind "unsafe-fp-math"="true" }