; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X86 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=X64 define double @f1(double %a) { ; X86-LABEL: f1: ; X86: # %bb.0: ; X86-NEXT: pushl %ebp ; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_offset %ebp, -8 ; X86-NEXT: movl %esp, %ebp ; X86-NEXT: .cfi_def_cfa_register %ebp ; X86-NEXT: andl $-8, %esp ; X86-NEXT: subl $8, %esp ; X86-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero ; X86-NEXT: mulsd {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 ; X86-NEXT: movsd %xmm0, (%esp) ; X86-NEXT: fldl (%esp) ; X86-NEXT: movl %ebp, %esp ; X86-NEXT: popl %ebp ; X86-NEXT: .cfi_def_cfa %esp, 4 ; X86-NEXT: retl ; ; X64-LABEL: f1: ; X64: # %bb.0: ; X64-NEXT: mulsd {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 ; X64-NEXT: retq %1 = fadd fast double %a, %a %2 = fadd fast double %a, %a %3 = fadd fast double %1, %2 ret double %3 } define double @f2(double %a) { ; X86-LABEL: f2: ; X86: # %bb.0: ; X86-NEXT: pushl %ebp ; X86-NEXT: .cfi_def_cfa_offset 8 ; X86-NEXT: .cfi_offset %ebp, -8 ; X86-NEXT: movl %esp, %ebp ; X86-NEXT: .cfi_def_cfa_register %ebp ; X86-NEXT: andl $-8, %esp ; X86-NEXT: subl $8, %esp ; X86-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero ; X86-NEXT: addsd %xmm0, %xmm0 ; X86-NEXT: movapd %xmm0, %xmm1 ; X86-NEXT: #ARITH_FENCE ; X86-NEXT: addsd %xmm0, %xmm1 ; X86-NEXT: movsd %xmm1, (%esp) ; X86-NEXT: fldl (%esp) ; X86-NEXT: movl %ebp, %esp ; X86-NEXT: popl %ebp ; X86-NEXT: .cfi_def_cfa %esp, 4 ; X86-NEXT: retl ; ; X64-LABEL: f2: ; X64: # %bb.0: ; X64-NEXT: addsd %xmm0, %xmm0 ; X64-NEXT: movapd %xmm0, %xmm1 ; X64-NEXT: #ARITH_FENCE ; X64-NEXT: addsd %xmm1, %xmm0 ; X64-NEXT: retq %1 = fadd fast double %a, %a %t = call double @llvm.arithmetic.fence.f64(double %1) %2 = fadd fast double %a, %a %3 = fadd fast double %t, %2 ret double %3 } define <2 x float> @f3(<2 x float> %a) { ; X86-LABEL: f3: ; X86: # %bb.0: ; X86-NEXT: mulps {{\.?LCPI[0-9]+_[0-9]+}}, %xmm0 ; X86-NEXT: retl ; ; X64-LABEL: f3: ; X64: # %bb.0: ; X64-NEXT: mulps {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 ; X64-NEXT: retq %1 = fadd fast <2 x float> %a, %a %2 = fadd fast <2 x float> %a, %a %3 = fadd fast <2 x float> %1, %2 ret <2 x float> %3 } define <2 x float> @f4(<2 x float> %a) { ; X86-LABEL: f4: ; X86: # %bb.0: ; X86-NEXT: addps %xmm0, %xmm0 ; X86-NEXT: movaps %xmm0, %xmm1 ; X86-NEXT: #ARITH_FENCE ; X86-NEXT: addps %xmm1, %xmm0 ; X86-NEXT: retl ; ; X64-LABEL: f4: ; X64: # %bb.0: ; X64-NEXT: addps %xmm0, %xmm0 ; X64-NEXT: movaps %xmm0, %xmm1 ; X64-NEXT: #ARITH_FENCE ; X64-NEXT: addps %xmm1, %xmm0 ; X64-NEXT: retq %1 = fadd fast <2 x float> %a, %a %t = call <2 x float> @llvm.arithmetic.fence.v2f32(<2 x float> %1) %2 = fadd fast <2 x float> %a, %a %3 = fadd fast <2 x float> %t, %2 ret <2 x float> %3 } define <8 x float> @f5(<8 x float> %a) { ; X86-LABEL: f5: ; X86: # %bb.0: ; X86-NEXT: movaps {{.*#+}} xmm2 = [4.0E+0,4.0E+0,4.0E+0,4.0E+0] ; X86-NEXT: mulps %xmm2, %xmm0 ; X86-NEXT: mulps %xmm2, %xmm1 ; X86-NEXT: retl ; ; X64-LABEL: f5: ; X64: # %bb.0: ; X64-NEXT: movaps {{.*#+}} xmm2 = [4.0E+0,4.0E+0,4.0E+0,4.0E+0] ; X64-NEXT: mulps %xmm2, %xmm0 ; X64-NEXT: mulps %xmm2, %xmm1 ; X64-NEXT: retq %1 = fadd fast <8 x float> %a, %a %2 = fadd fast <8 x float> %a, %a %3 = fadd fast <8 x float> %1, %2 ret <8 x float> %3 } define <8 x float> @f6(<8 x float> %a) { ; X86-LABEL: f6: ; X86: # %bb.0: ; X86-NEXT: addps %xmm0, %xmm0 ; X86-NEXT: addps %xmm1, %xmm1 ; X86-NEXT: movaps %xmm1, %xmm2 ; X86-NEXT: #ARITH_FENCE ; X86-NEXT: movaps %xmm0, %xmm3 ; X86-NEXT: #ARITH_FENCE ; X86-NEXT: addps %xmm3, %xmm0 ; X86-NEXT: addps %xmm2, %xmm1 ; X86-NEXT: retl ; ; X64-LABEL: f6: ; X64: # %bb.0: ; X64-NEXT: addps %xmm0, %xmm0 ; X64-NEXT: addps %xmm1, %xmm1 ; X64-NEXT: movaps %xmm1, %xmm2 ; X64-NEXT: #ARITH_FENCE ; X64-NEXT: movaps %xmm0, %xmm3 ; X64-NEXT: #ARITH_FENCE ; X64-NEXT: addps %xmm3, %xmm0 ; X64-NEXT: addps %xmm2, %xmm1 ; X64-NEXT: retq %1 = fadd fast <8 x float> %a, %a %t = call <8 x float> @llvm.arithmetic.fence.v8f32(<8 x float> %1) %2 = fadd fast <8 x float> %a, %a %3 = fadd fast <8 x float> %t, %2 ret <8 x float> %3 } declare float @llvm.arithmetic.fence.f32(float) declare double @llvm.arithmetic.fence.f64(double) declare <2 x float> @llvm.arithmetic.fence.v2f32(<2 x float>) declare <8 x float> @llvm.arithmetic.fence.v8f32(<8 x float>)