1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefixes=CHECK,X86 3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefixes=CHECK,X64 4 5declare <8 x float> @llvm.fma.v8f32(<8 x float>, <8 x float>, <8 x float>) 6declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) 7declare float @llvm.fma.f32(float, float, float) 8declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) 9declare <4 x double> @llvm.fma.v4f64(<4 x double>, <4 x double>, <4 x double>) 10 11; This test checks combinations of FNEG and FMA intrinsics 12 13define <8 x float> @test1(<8 x float> %a, <8 x float> %b, <8 x float> %c) { 14; CHECK-LABEL: test1: 15; CHECK: # %bb.0: 16; CHECK-NEXT: vfmsub213ps {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm2 17; CHECK-NEXT: ret{{[l|q]}} 18 %sub.i = fsub <8 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>, %c 19 %r = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %sub.i) #2 20 ret <8 x float> %r 21} 22 23define <4 x float> @test2(<4 x float> %a, <4 x float> %b, <4 x float> %c) { 24; CHECK-LABEL: test2: 25; CHECK: # %bb.0: 26; CHECK-NEXT: vfnmsub213ps {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 27; CHECK-NEXT: ret{{[l|q]}} 28 %t0 = tail call nsz <4 x float> @llvm.fma.v4f32(<4 x float> %a, <4 x float> %b, <4 x float> %c) #2 29 %sub.i = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %t0 30 ret <4 x float> %sub.i 31} 32 33define <4 x float> @test3(<4 x float> %a, <4 x float> %b, <4 x float> %c) { 34; CHECK-LABEL: test3: 35; CHECK: # %bb.0: 36; CHECK-NEXT: vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + xmm2 37; CHECK-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0] 38; CHECK-NEXT: vxorps %xmm1, %xmm0, %xmm0 39; CHECK-NEXT: ret{{[l|q]}} 40 %a0 = extractelement <4 x float> %a, i64 0 41 %b0 = extractelement <4 x float> %b, i64 0 42 %c0 = extractelement <4 x float> %c, i64 0 43 %negb0 = fneg float %b0 44 %t0 = tail call nsz float @llvm.fma.f32(float %a0, float %negb0, float %c0) #2 45 %i = insertelement <4 x float> %a, float %t0, i64 0 46 %sub.i = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %i 47 ret <4 x float> %sub.i 48} 49 50define <8 x float> @test4(<8 x float> %a, <8 x float> %b, <8 x float> %c) { 51; CHECK-LABEL: test4: 52; CHECK: # %bb.0: 53; CHECK-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 54; CHECK-NEXT: ret{{[l|q]}} 55 %negc = fneg <8 x float> %c 56 %t0 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %negc) #2 57 %sub.i = fsub <8 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>, %t0 58 ret <8 x float> %sub.i 59} 60 61define <8 x float> @test5(<8 x float> %a, <8 x float> %b, <8 x float> %c) { 62; CHECK-LABEL: test5: 63; CHECK: # %bb.0: 64; CHECK-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2 65; CHECK-NEXT: ret{{[l|q]}} 66 %sub.c = fsub <8 x float> <float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0, float -0.0>, %c 67 %negsubc = fneg <8 x float> %sub.c 68 %t0 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %negsubc) #2 69 ret <8 x float> %t0 70} 71 72define <2 x double> @test6(<2 x double> %a, <2 x double> %b, <2 x double> %c) { 73; CHECK-LABEL: test6: 74; CHECK: # %bb.0: 75; CHECK-NEXT: vfnmsub213pd {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 76; CHECK-NEXT: ret{{[l|q]}} 77 %t0 = tail call nsz <2 x double> @llvm.fma.v2f64(<2 x double> %a, <2 x double> %b, <2 x double> %c) #2 78 %sub.i = fsub <2 x double> <double -0.0, double -0.0>, %t0 79 ret <2 x double> %sub.i 80} 81 82define <8 x float> @test7(float %a, <8 x float> %b, <8 x float> %c) { 83; X86-LABEL: test7: 84; X86: # %bb.0: 85; X86-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2 86; X86-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1 87; X86-NEXT: retl 88; 89; X64-LABEL: test7: 90; X64: # %bb.0: 91; X64-NEXT: vbroadcastss %xmm0, %ymm0 92; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 93; X64-NEXT: retq 94 %t0 = insertelement <8 x float> undef, float %a, i32 0 95 %t1 = fsub <8 x float> <float -0.0, float undef, float undef, float undef, float undef, float undef, float undef, float undef>, %t0 96 %t2 = shufflevector <8 x float> %t1, <8 x float> undef, <8 x i32> zeroinitializer 97 %t3 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %t2, <8 x float> %b, <8 x float> %c) 98 ret <8 x float> %t3 99 100} 101 102define <8 x float> @test8(float %a, <8 x float> %b, <8 x float> %c) { 103; X86-LABEL: test8: 104; X86: # %bb.0: 105; X86-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2 106; X86-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1 107; X86-NEXT: retl 108; 109; X64-LABEL: test8: 110; X64: # %bb.0: 111; X64-NEXT: vbroadcastss %xmm0, %ymm0 112; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 113; X64-NEXT: retq 114 %t0 = fsub float -0.0, %a 115 %t1 = insertelement <8 x float> undef, float %t0, i32 0 116 %t2 = shufflevector <8 x float> %t1, <8 x float> undef, <8 x i32> zeroinitializer 117 %t3 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %t2, <8 x float> %b, <8 x float> %c) 118 ret <8 x float> %t3 119} 120 121define <4 x double> @test9(<4 x double> %a) { 122; CHECK-LABEL: test9: 123; CHECK: # %bb.0: 124; CHECK-NEXT: vbroadcastsd {{.*#+}} ymm1 = [-5.0E-1,-5.0E-1,-5.0E-1,-5.0E-1] 125; CHECK-NEXT: vfnmadd213pd {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm1 126; CHECK-NEXT: ret{{[l|q]}} 127 %t = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %a, <4 x double> <double 5.000000e-01, double 5.000000e-01, double 5.000000e-01, double 5.000000e-01>, <4 x double> <double -5.000000e-01, double -5.000000e-01, double -5.000000e-01, double -5.000000e-01>) 128 ret <4 x double> %t 129} 130 131define <4 x double> @test10(<4 x double> %a, <4 x double> %b) { 132; CHECK-LABEL: test10: 133; CHECK: # %bb.0: 134; CHECK-NEXT: vmovapd {{.*#+}} ymm2 = [-9.5E+0,u,-5.5E+0,-2.5E+0] 135; CHECK-NEXT: vmovapd %ymm2, %ymm3 136; CHECK-NEXT: vfmadd213pd {{.*#+}} ymm3 = (ymm0 * ymm3) + ymm1 137; CHECK-NEXT: vfnmadd213pd {{.*#+}} ymm2 = -(ymm0 * ymm2) + ymm1 138; CHECK-NEXT: vaddpd %ymm2, %ymm3, %ymm0 139; CHECK-NEXT: ret{{[l|q]}} 140 %t0 = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %a, <4 x double> <double -95.00000e-01, double undef, double -55.00000e-01, double -25.00000e-01>, <4 x double> %b) 141 %t1 = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %a, <4 x double> <double 95.00000e-01, double undef, double 55.00000e-01, double 25.00000e-01>, <4 x double> %b) 142 %t2 = fadd <4 x double> %t0, %t1 143 ret <4 x double> %t2 144} 145 146define <4 x double> @test11(<4 x double> %a) { 147; CHECK-LABEL: test11: 148; CHECK: # %bb.0: 149; CHECK-NEXT: vbroadcastf128 {{.*#+}} ymm1 = [5.0E-1,2.5E+0,5.0E-1,2.5E+0] 150; CHECK-NEXT: # ymm1 = mem[0,1,0,1] 151; CHECK-NEXT: vaddpd %ymm1, %ymm0, %ymm0 152; CHECK-NEXT: vfmsub213pd {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm1 153; CHECK-NEXT: ret{{[l|q]}} 154 %t0 = fadd <4 x double> %a, <double 5.000000e-01, double 25.00000e-01, double 5.000000e-01, double 25.00000e-01> 155 %t1 = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %t0, <4 x double> <double 5.000000e-01, double 25.00000e-01, double 5.000000e-01, double 25.00000e-01>, <4 x double> <double -5.000000e-01, double -25.00000e-01, double -5.000000e-01, double -25.00000e-01>) 156 ret <4 x double> %t1 157} 158 159define <4 x double> @test12(<4 x double> %a, <4 x double> %b) { 160; CHECK-LABEL: test12: 161; CHECK: # %bb.0: 162; CHECK-NEXT: vmovapd {{.*#+}} ymm2 = [-7.5E+0,-2.5E+0,-5.5E+0,-9.5E+0] 163; CHECK-NEXT: vfnmadd213pd {{.*#+}} ymm0 = -(ymm2 * ymm0) + mem 164; CHECK-NEXT: vfmadd132pd {{.*#+}} ymm1 = (ymm1 * mem) + ymm2 165; CHECK-NEXT: vaddpd %ymm1, %ymm0, %ymm0 166; CHECK-NEXT: ret{{[l|q]}} 167 %t0 = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %a, <4 x double> <double 75.00000e-01, double 25.00000e-01, double 55.00000e-01, double 95.00000e-01>, <4 x double> <double -75.00000e-01, double undef, double -55.00000e-01, double -95.00000e-01>) 168 %t1 = tail call <4 x double> @llvm.fma.v4f64(<4 x double> %b, <4 x double> <double undef, double 25.00000e-01, double 55.00000e-01, double 95.00000e-01>, <4 x double> <double -75.00000e-01, double -25.00000e-01, double -55.00000e-01, double -95.00000e-01>) 169 %t2 = fadd <4 x double> %t0, %t1 170 ret <4 x double> %t2 171} 172