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llvm/test/CodeGen/X86/fma-scalar-memfold.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -disable-peephole -mcpu=core-avx2 | FileCheck %s --check-prefix=CHECK --check-prefix=AVX2
; RUN: llc < %s -disable-peephole -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=AVX512
target triple = "x86_64-unknown-unknown"
declare <4 x float> @llvm.x86.fma.vfmadd.ss(<4 x float>, <4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.fma.vfmsub.ss(<4 x float>, <4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.fma.vfnmadd.ss(<4 x float>, <4 x float>, <4 x float>)
declare <4 x float> @llvm.x86.fma.vfnmsub.ss(<4 x float>, <4 x float>, <4 x float>)
declare <2 x double> @llvm.x86.fma.vfmadd.sd(<2 x double>, <2 x double>, <2 x double>)
declare <2 x double> @llvm.x86.fma.vfmsub.sd(<2 x double>, <2 x double>, <2 x double>)
declare <2 x double> @llvm.x86.fma.vfnmadd.sd(<2 x double>, <2 x double>, <2 x double>)
declare <2 x double> @llvm.x86.fma.vfnmsub.sd(<2 x double>, <2 x double>, <2 x double>)
define void @fmadd_aab_ss(float* %a, float* %b) {
; CHECK-LABEL: fmadd_aab_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfmadd213ss (%rsi), %xmm0, %xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfmadd.ss(<4 x float> %av, <4 x float> %av, <4 x float> %bv)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmadd_aba_ss(float* %a, float* %b) {
; CHECK-LABEL: fmadd_aba_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfmadd231ss {{.*#+}} xmm0 = (xmm0 * mem) + xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfmadd.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmsub_aab_ss(float* %a, float* %b) {
; CHECK-LABEL: fmsub_aab_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfmsub213ss (%rsi), %xmm0, %xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfmsub.ss(<4 x float> %av, <4 x float> %av, <4 x float> %bv)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmsub_aba_ss(float* %a, float* %b) {
; CHECK-LABEL: fmsub_aba_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfmsub231ss {{.*#+}} xmm0 = (xmm0 * mem) - xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfmsub.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fnmadd_aab_ss(float* %a, float* %b) {
; CHECK-LABEL: fnmadd_aab_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfnmadd213ss (%rsi), %xmm0, %xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfnmadd.ss(<4 x float> %av, <4 x float> %av, <4 x float> %bv)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fnmadd_aba_ss(float* %a, float* %b) {
; CHECK-LABEL: fnmadd_aba_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfnmadd231ss {{.*#+}} xmm0 = -(xmm0 * mem) + xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfnmadd.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fnmsub_aab_ss(float* %a, float* %b) {
; CHECK-LABEL: fnmsub_aab_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfnmsub213ss (%rsi), %xmm0, %xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfnmsub.ss(<4 x float> %av, <4 x float> %av, <4 x float> %bv)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fnmsub_aba_ss(float* %a, float* %b) {
; CHECK-LABEL: fnmsub_aba_ss:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vfnmsub231ss {{.*#+}} xmm0 = -(xmm0 * mem) - xmm0
; CHECK-NEXT: vmovss %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load float, float* %a
%av0 = insertelement <4 x float> undef, float %a.val, i32 0
%av1 = insertelement <4 x float> %av0, float 0.000000e+00, i32 1
%av2 = insertelement <4 x float> %av1, float 0.000000e+00, i32 2
%av = insertelement <4 x float> %av2, float 0.000000e+00, i32 3
%b.val = load float, float* %b
%bv0 = insertelement <4 x float> undef, float %b.val, i32 0
%bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
%bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
%bv = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
%vr = call <4 x float> @llvm.x86.fma.vfnmsub.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmadd_aab_sd(double* %a, double* %b) {
; CHECK-LABEL: fmadd_aab_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfmadd213sd {{.*#+}} xmm0 = (xmm0 * xmm0) + mem
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfmadd.sd(<2 x double> %av, <2 x double> %av, <2 x double> %bv)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fmadd_aba_sd(double* %a, double* %b) {
; CHECK-LABEL: fmadd_aba_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfmadd231sd {{.*#+}} xmm0 = (xmm0 * mem) + xmm0
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfmadd.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fmsub_aab_sd(double* %a, double* %b) {
; CHECK-LABEL: fmsub_aab_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfmsub213sd {{.*#+}} xmm0 = (xmm0 * xmm0) - mem
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfmsub.sd(<2 x double> %av, <2 x double> %av, <2 x double> %bv)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fmsub_aba_sd(double* %a, double* %b) {
; CHECK-LABEL: fmsub_aba_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfmsub231sd {{.*#+}} xmm0 = (xmm0 * mem) - xmm0
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfmsub.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fnmadd_aab_sd(double* %a, double* %b) {
; CHECK-LABEL: fnmadd_aab_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfnmadd213sd {{.*#+}} xmm0 = -(xmm0 * xmm0) + mem
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfnmadd.sd(<2 x double> %av, <2 x double> %av, <2 x double> %bv)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fnmadd_aba_sd(double* %a, double* %b) {
; CHECK-LABEL: fnmadd_aba_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfnmadd231sd {{.*#+}} xmm0 = -(xmm0 * mem) + xmm0
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfnmadd.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fnmsub_aab_sd(double* %a, double* %b) {
; CHECK-LABEL: fnmsub_aab_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfnmsub213sd {{.*#+}} xmm0 = -(xmm0 * xmm0) - mem
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfnmsub.sd(<2 x double> %av, <2 x double> %av, <2 x double> %bv)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fnmsub_aba_sd(double* %a, double* %b) {
; CHECK-LABEL: fnmsub_aba_sd:
; CHECK: # %bb.0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vfnmsub231sd {{.*#+}} xmm0 = -(xmm0 * mem) - xmm0
; CHECK-NEXT: vmovsd %xmm0, (%rdi)
; CHECK-NEXT: retq
%a.val = load double, double* %a
%av0 = insertelement <2 x double> undef, double %a.val, i32 0
%av = insertelement <2 x double> %av0, double 0.000000e+00, i32 1
%b.val = load double, double* %b
%bv0 = insertelement <2 x double> undef, double %b.val, i32 0
%bv = insertelement <2 x double> %bv0, double 0.000000e+00, i32 1
%vr = call <2 x double> @llvm.x86.fma.vfnmsub.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
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