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[AVX-512] Add test cases that show failure to fold scalar loads into masked scalar FMA intrinsics. 

llvm-svn: 294150
This commit is contained in:
Craig Topper 2017-02-05 22:25:37 +00:00
parent 332eeeae8a
commit 53008a1e36
1 changed files with 108 additions and 0 deletions
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108
llvm/test/CodeGen/X86/avx512-intrinsics.ll
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@ -4839,6 +4839,114 @@ define <4 x float>@test_int_x86_avx512_mask3_vfmadd_ss(<4 x float> %x0, <4 x flo
ret <4 x float> %res6
}
define void @fmadd_ss_mask_memfold(float* %a, float* %b, i8 %c) {
; CHECK-LABEL: fmadd_ss_mask_memfold:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: andl $1, %edx
; CHECK-NEXT: kmovw %edx, %k1
; CHECK-NEXT: vfmadd213ss %xmm0, %xmm1, %xmm0 {%k1}
; 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.avx512.mask.vfmadd.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av, i8 %c, i32 4)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmadd_ss_maskz_memfold(float* %a, float* %b, i8 %c) {
; CHECK-LABEL: fmadd_ss_maskz_memfold:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovss {{.*#+}} xmm0 = mem[0],zero,zero,zero
; CHECK-NEXT: vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: andl $1, %edx
; CHECK-NEXT: kmovw %edx, %k1
; CHECK-NEXT: vfmadd213ss %xmm0, %xmm1, %xmm0 {%k1} {z}
; 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.avx512.maskz.vfmadd.ss(<4 x float> %av, <4 x float> %bv, <4 x float> %av, i8 %c, i32 4)
%sr = extractelement <4 x float> %vr, i32 0
store float %sr, float* %a
ret void
}
define void @fmadd_sd_mask_memfold(double* %a, double* %b, i8 %c) {
; CHECK-LABEL: fmadd_sd_mask_memfold:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vmovsd {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: andl $1, %edx
; CHECK-NEXT: kmovw %edx, %k1
; CHECK-NEXT: vfmadd213sd %xmm0, %xmm1, %xmm0 {%k1}
; CHECK-NEXT: vmovlps %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.avx512.mask.vfmadd.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av, i8 %c, i32 4)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
define void @fmadd_sd_maskz_memfold(double* %a, double* %b, i8 %c) {
; CHECK-LABEL: fmadd_sd_maskz_memfold:
; CHECK: ## BB#0:
; CHECK-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; CHECK-NEXT: vmovsd {{.*#+}} xmm1 = mem[0],zero
; CHECK-NEXT: andl $1, %edx
; CHECK-NEXT: kmovw %edx, %k1
; CHECK-NEXT: vfmadd213sd %xmm0, %xmm1, %xmm0 {%k1} {z}
; CHECK-NEXT: vmovlps %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.avx512.maskz.vfmadd.sd(<2 x double> %av, <2 x double> %bv, <2 x double> %av, i8 %c, i32 4)
%sr = extractelement <2 x double> %vr, i32 0
store double %sr, double* %a
ret void
}
declare <2 x double> @llvm.x86.avx512.mask3.vfmsub.sd(<2 x double>, <2 x double>, <2 x double>, i8, i32)
define <2 x double>@test_int_x86_avx512_mask3_vfmsub_sd(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, i8 %x3,i32 %x4 ){