; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=i686-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=X32 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2,+fma | FileCheck %s --check-prefix=X64 declare <8 x float> @llvm.fma.v8f32(<8 x float>, <8 x float>, <8 x float>) declare <4 x float> @llvm.fma.v4f32(<4 x float>, <4 x float>, <4 x float>) declare float @llvm.fma.f32(float, float, float) declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) ; This test checks combinations of FNEG and FMA intrinsics define <8 x float> @test1(<8 x float> %a, <8 x float> %b, <8 x float> %c) { ; X32-LABEL: test1: ; X32: # %bb.0: ; X32-NEXT: vfmsub213ps {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm2 ; X32-NEXT: retl ; ; X64-LABEL: test1: ; X64: # %bb.0: ; X64-NEXT: vfmsub213ps {{.*#+}} ymm0 = (ymm1 * ymm0) - ymm2 ; X64-NEXT: retq %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 %r = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %sub.i) #2 ret <8 x float> %r } define <4 x float> @test2(<4 x float> %a, <4 x float> %b, <4 x float> %c) { ; X32-LABEL: test2: ; X32: # %bb.0: ; X32-NEXT: vfnmsub213ps {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 ; X32-NEXT: retl ; ; X64-LABEL: test2: ; X64: # %bb.0: ; X64-NEXT: vfnmsub213ps {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 ; X64-NEXT: retq %t0 = tail call nsz <4 x float> @llvm.fma.v4f32(<4 x float> %a, <4 x float> %b, <4 x float> %c) #2 %sub.i = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %t0 ret <4 x float> %sub.i } define <4 x float> @test3(<4 x float> %a, <4 x float> %b, <4 x float> %c) { ; X32-LABEL: test3: ; X32: # %bb.0: ; X32-NEXT: vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + xmm2 ; X32-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0] ; X32-NEXT: vxorps %xmm1, %xmm0, %xmm0 ; X32-NEXT: retl ; ; X64-LABEL: test3: ; X64: # %bb.0: ; X64-NEXT: vfnmadd213ss {{.*#+}} xmm0 = -(xmm1 * xmm0) + xmm2 ; X64-NEXT: vbroadcastss {{.*#+}} xmm1 = [-0.0E+0,-0.0E+0,-0.0E+0,-0.0E+0] ; X64-NEXT: vxorps %xmm1, %xmm0, %xmm0 ; X64-NEXT: retq %a0 = extractelement <4 x float> %a, i64 0 %b0 = extractelement <4 x float> %b, i64 0 %c0 = extractelement <4 x float> %c, i64 0 %negb0 = fneg float %b0 %t0 = tail call nsz float @llvm.fma.f32(float %a0, float %negb0, float %c0) #2 %i = insertelement <4 x float> %a, float %t0, i64 0 %sub.i = fsub <4 x float> <float -0.0, float -0.0, float -0.0, float -0.0>, %i ret <4 x float> %sub.i } define <8 x float> @test4(<8 x float> %a, <8 x float> %b, <8 x float> %c) { ; X32-LABEL: test4: ; X32: # %bb.0: ; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 ; X32-NEXT: retl ; ; X64-LABEL: test4: ; X64: # %bb.0: ; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 ; X64-NEXT: retq %negc = fneg <8 x float> %c %t0 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %negc) #2 %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 ret <8 x float> %sub.i } define <8 x float> @test5(<8 x float> %a, <8 x float> %b, <8 x float> %c) { ; X32-LABEL: test5: ; X32: # %bb.0: ; X32-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2 ; X32-NEXT: retl ; ; X64-LABEL: test5: ; X64: # %bb.0: ; X64-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2 ; X64-NEXT: retq %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 %negsubc = fneg <8 x float> %sub.c %t0 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %negsubc) #2 ret <8 x float> %t0 } define <2 x double> @test6(<2 x double> %a, <2 x double> %b, <2 x double> %c) { ; X32-LABEL: test6: ; X32: # %bb.0: ; X32-NEXT: vfnmsub213pd {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 ; X32-NEXT: retl ; ; X64-LABEL: test6: ; X64: # %bb.0: ; X64-NEXT: vfnmsub213pd {{.*#+}} xmm0 = -(xmm1 * xmm0) - xmm2 ; X64-NEXT: retq %t0 = tail call nsz <2 x double> @llvm.fma.v2f64(<2 x double> %a, <2 x double> %b, <2 x double> %c) #2 %sub.i = fsub <2 x double> <double -0.0, double -0.0>, %t0 ret <2 x double> %sub.i } define <8 x float> @test7(float %a, <8 x float> %b, <8 x float> %c) { ; X32-LABEL: test7: ; X32: # %bb.0: ; X32-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2 ; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1 ; X32-NEXT: retl ; ; X64-LABEL: test7: ; X64: # %bb.0: ; X64-NEXT: vbroadcastss %xmm0, %ymm0 ; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 ; X64-NEXT: retq %t0 = insertelement <8 x float> undef, float %a, i32 0 %t1 = fsub <8 x float> <float -0.0, float undef, float undef, float undef, float undef, float undef, float undef, float undef>, %t0 %t2 = shufflevector <8 x float> %t1, <8 x float> undef, <8 x i32> zeroinitializer %t3 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %t2, <8 x float> %b, <8 x float> %c) ret <8 x float> %t3 } define <8 x float> @test8(float %a, <8 x float> %b, <8 x float> %c) { ; X32-LABEL: test8: ; X32: # %bb.0: ; X32-NEXT: vbroadcastss {{[0-9]+}}(%esp), %ymm2 ; X32-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm2 * ymm0) + ymm1 ; X32-NEXT: retl ; ; X64-LABEL: test8: ; X64: # %bb.0: ; X64-NEXT: vbroadcastss %xmm0, %ymm0 ; X64-NEXT: vfnmadd213ps {{.*#+}} ymm0 = -(ymm1 * ymm0) + ymm2 ; X64-NEXT: retq %t0 = fsub float -0.0, %a %t1 = insertelement <8 x float> undef, float %t0, i32 0 %t2 = shufflevector <8 x float> %t1, <8 x float> undef, <8 x i32> zeroinitializer %t3 = tail call nsz <8 x float> @llvm.fma.v8f32(<8 x float> %t2, <8 x float> %b, <8 x float> %c) ret <8 x float> %t3 }