| ; 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 |
| } |