; RUN: llc < %s -mtriple=armv7-eabi -mattr=+neon,+vfp4 -fp-contract=fast | FileCheck %s ; Check generated fused MAC and MLS. define double @fusedMACTest1(double %d1, double %d2, double %d3) { ;CHECK-LABEL: fusedMACTest1: ;CHECK: vfma.f64 %1 = fmul double %d1, %d2 %2 = fadd double %1, %d3 ret double %2 } define float @fusedMACTest2(float %f1, float %f2, float %f3) { ;CHECK-LABEL: fusedMACTest2: ;CHECK: vfma.f32 %1 = fmul float %f1, %f2 %2 = fadd float %1, %f3 ret float %2 } define double @fusedMACTest3(double %d1, double %d2, double %d3) { ;CHECK-LABEL: fusedMACTest3: ;CHECK: vfms.f64 %1 = fmul double %d2, %d3 %2 = fsub double %d1, %1 ret double %2 } define float @fusedMACTest4(float %f1, float %f2, float %f3) { ;CHECK-LABEL: fusedMACTest4: ;CHECK: vfms.f32 %1 = fmul float %f2, %f3 %2 = fsub float %f1, %1 ret float %2 } define double @fusedMACTest5(double %d1, double %d2, double %d3) { ;CHECK-LABEL: fusedMACTest5: ;CHECK: vfnma.f64 %1 = fmul double %d1, %d2 %2 = fsub double -0.0, %1 %3 = fsub double %2, %d3 ret double %3 } define float @fusedMACTest6(float %f1, float %f2, float %f3) { ;CHECK-LABEL: fusedMACTest6: ;CHECK: vfnma.f32 %1 = fmul float %f1, %f2 %2 = fsub float -0.0, %1 %3 = fsub float %2, %f3 ret float %3 } define double @fusedMACTest7(double %d1, double %d2, double %d3) { ;CHECK-LABEL: fusedMACTest7: ;CHECK: vfnms.f64 %1 = fmul double %d1, %d2 %2 = fsub double %1, %d3 ret double %2 } define float @fusedMACTest8(float %f1, float %f2, float %f3) { ;CHECK-LABEL: fusedMACTest8: ;CHECK: vfnms.f32 %1 = fmul float %f1, %f2 %2 = fsub float %1, %f3 ret float %2 } define <2 x float> @fusedMACTest9(<2 x float> %a, <2 x float> %b) { ;CHECK-LABEL: fusedMACTest9: ;CHECK: vfma.f32 %mul = fmul <2 x float> %a, %b %add = fadd <2 x float> %mul, %a ret <2 x float> %add } define <2 x float> @fusedMACTest10(<2 x float> %a, <2 x float> %b) { ;CHECK-LABEL: fusedMACTest10: ;CHECK: vfms.f32 %mul = fmul <2 x float> %a, %b %sub = fsub <2 x float> %a, %mul ret <2 x float> %sub } define <4 x float> @fusedMACTest11(<4 x float> %a, <4 x float> %b) { ;CHECK-LABEL: fusedMACTest11: ;CHECK: vfma.f32 %mul = fmul <4 x float> %a, %b %add = fadd <4 x float> %mul, %a ret <4 x float> %add } define <4 x float> @fusedMACTest12(<4 x float> %a, <4 x float> %b) { ;CHECK-LABEL: fusedMACTest12: ;CHECK: vfms.f32 %mul = fmul <4 x float> %a, %b %sub = fsub <4 x float> %a, %mul ret <4 x float> %sub } define float @test_fma_f32(float %a, float %b, float %c) nounwind readnone ssp { entry: ; CHECK: test_fma_f32 ; CHECK: vfma.f32 %tmp1 = tail call float @llvm.fma.f32(float %a, float %b, float %c) nounwind readnone ret float %tmp1 } define double @test_fma_f64(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fma_f64 ; CHECK: vfma.f64 %tmp1 = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone ret double %tmp1 } define <2 x float> @test_fma_v2f32(<2 x float> %a, <2 x float> %b, <2 x float> %c) nounwind readnone ssp { entry: ; CHECK: test_fma_v2f32 ; CHECK: vfma.f32 %tmp1 = tail call <2 x float> @llvm.fma.v2f32(<2 x float> %a, <2 x float> %b, <2 x float> %c) nounwind ret <2 x float> %tmp1 } define double @test_fms_f64(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fms_f64 ; CHECK: vfms.f64 %tmp1 = fsub double -0.0, %a %tmp2 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %c) nounwind readnone ret double %tmp2 } define double @test_fms_f64_2(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fms_f64_2 ; CHECK: vfms.f64 %tmp1 = fsub double -0.0, %b %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone ret double %tmp2 } define float @test_fnms_f32(float %a, float %b, float* %c) nounwind readnone ssp { ; CHECK: test_fnms_f32 ; CHECK: vfnms.f32 %tmp1 = load float, float* %c, align 4 %tmp2 = fsub float -0.0, %tmp1 %tmp3 = tail call float @llvm.fma.f32(float %a, float %b, float %tmp2) nounwind readnone ret float %tmp3 } define double @test_fnms_f64(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fnms_f64 ; CHECK: vfnms.f64 %tmp1 = fsub double -0.0, %a %tmp2 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %c) nounwind readnone %tmp3 = fsub double -0.0, %tmp2 ret double %tmp3 } define double @test_fnms_f64_2(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fnms_f64_2 ; CHECK: vfnms.f64 %tmp1 = fsub double -0.0, %b %tmp2 = tail call double @llvm.fma.f64(double %a, double %tmp1, double %c) nounwind readnone %tmp3 = fsub double -0.0, %tmp2 ret double %tmp3 } define double @test_fnma_f64(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fnma_f64 ; CHECK: vfnma.f64 %tmp1 = tail call double @llvm.fma.f64(double %a, double %b, double %c) nounwind readnone %tmp2 = fsub double -0.0, %tmp1 ret double %tmp2 } define double @test_fnma_f64_2(double %a, double %b, double %c) nounwind readnone ssp { entry: ; CHECK: test_fnma_f64_2 ; CHECK: vfnma.f64 %tmp1 = fsub double -0.0, %a %tmp2 = fsub double -0.0, %c %tmp3 = tail call double @llvm.fma.f64(double %tmp1, double %b, double %tmp2) nounwind readnone ret double %tmp3 } define float @test_fma_const_fold(float %a, float %b) nounwind { ; CHECK: test_fma_const_fold ; CHECK-NOT: vfma ; CHECK-NOT: vmul ; CHECK: vadd %ret = call float @llvm.fma.f32(float %a, float 1.0, float %b) ret float %ret } define float @test_fma_canonicalize(float %a, float %b) nounwind { ; CHECK: test_fma_canonicalize ; CHECK: vmov.f32 [[R1:s[0-9]+]], #2.000000e+00 ; CHECK: vfma.f32 {{s[0-9]+}}, {{s[0-9]+}}, [[R1]] %ret = call float @llvm.fma.f32(float 2.0, float %a, float %b) ret float %ret } ; Check that very wide vector fma's can be split into legal fma's. define void @test_fma_v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c, <8 x float>* %p) nounwind readnone ssp { ; CHECK: test_fma_v8f32 ; CHECK: vfma.f32 ; CHECK: vfma.f32 entry: %call = tail call <8 x float> @llvm.fma.v8f32(<8 x float> %a, <8 x float> %b, <8 x float> %c) nounwind readnone store <8 x float> %call, <8 x float>* %p, align 16 ret void } declare float @llvm.fma.f32(float, float, float) nounwind readnone declare double @llvm.fma.f64(double, double, double) nounwind readnone declare <2 x float> @llvm.fma.v2f32(<2 x float>, <2 x float>, <2 x float>) nounwind readnone declare <8 x float> @llvm.fma.v8f32(<8 x float>, <8 x float>, <8 x float>) nounwind readnone