; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+d,+zfh,+zvfh,+v -target-abi=ilp32d \ ; RUN: -verify-machineinstrs < %s | FileCheck %s ; RUN: llc -mtriple=riscv64 -mattr=+d,+zfh,+zvfh,+v -target-abi=lp64d \ ; RUN: -verify-machineinstrs < %s | FileCheck %s ; This tests a mix of vfnmacc and vfnmadd by using different operand orders to ; trigger commuting in TwoAddressInstructionPass. declare <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half>, <2 x half>, <2 x half>, metadata, metadata) define <2 x half> @vfnmsub_vv_v2f16(<2 x half> %va, <2 x half> %vb, <2 x half> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v2f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e16, mf4, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v10, v9 ; CHECK-NEXT: ret %neg = fneg <2 x half> %va %neg2 = fneg <2 x half> %vb %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %neg, <2 x half> %vc, <2 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x half> %vd } define <2 x half> @vfnmsub_vf_v2f16(<2 x half> %va, <2 x half> %vb, half %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v2f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e16, mf4, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <2 x half> poison, half %c, i32 0 %splat = shufflevector <2 x half> %head, <2 x half> poison, <2 x i32> zeroinitializer %neg = fneg <2 x half> %va %neg2 = fneg <2 x half> %vb %vd = call <2 x half> @llvm.experimental.constrained.fma.v2f16(<2 x half> %splat, <2 x half> %neg, <2 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x half> %vd } declare <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half>, <4 x half>, <4 x half>, metadata, metadata) define <4 x half> @vfnmsub_vv_v4f16(<4 x half> %va, <4 x half> %vb, <4 x half> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v4f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e16, mf2, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v9, v10 ; CHECK-NEXT: ret %neg = fneg <4 x half> %vb %neg2 = fneg <4 x half> %vc %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %neg, <4 x half> %va, <4 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x half> %vd } define <4 x half> @vfnmsub_vf_v4f16(<4 x half> %va, <4 x half> %vb, half %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v4f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e16, mf2, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <4 x half> poison, half %c, i32 0 %splat = shufflevector <4 x half> %head, <4 x half> poison, <4 x i32> zeroinitializer %neg = fneg <4 x half> %splat %neg2 = fneg <4 x half> %vb %vd = call <4 x half> @llvm.experimental.constrained.fma.v4f16(<4 x half> %va, <4 x half> %neg, <4 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x half> %vd } declare <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half>, <8 x half>, <8 x half>, metadata, metadata) define <8 x half> @vfnmsub_vv_v8f16(<8 x half> %va, <8 x half> %vb, <8 x half> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v8f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e16, m1, ta, ma ; CHECK-NEXT: vfnmacc.vv v8, v10, v9 ; CHECK-NEXT: ret %neg = fneg <8 x half> %vb %neg2 = fneg <8 x half> %va %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %neg, <8 x half> %vc, <8 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x half> %vd } define <8 x half> @vfnmsub_vf_v8f16(<8 x half> %va, <8 x half> %vb, half %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v8f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e16, m1, ta, ma ; CHECK-NEXT: vfnmacc.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <8 x half> poison, half %c, i32 0 %splat = shufflevector <8 x half> %head, <8 x half> poison, <8 x i32> zeroinitializer %neg = fneg <8 x half> %splat %neg2 = fneg <8 x half> %va %vd = call <8 x half> @llvm.experimental.constrained.fma.v8f16(<8 x half> %vb, <8 x half> %neg, <8 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x half> %vd } declare <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half>, <16 x half>, <16 x half>, metadata, metadata) define <16 x half> @vfnmsub_vv_v16f16(<16 x half> %va, <16 x half> %vb, <16 x half> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v16f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 16, e16, m2, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v12, v10 ; CHECK-NEXT: ret %neg = fneg <16 x half> %vc %neg2 = fneg <16 x half> %vb %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %neg, <16 x half> %va, <16 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <16 x half> %vd } define <16 x half> @vfnmsub_vf_v16f16(<16 x half> %va, <16 x half> %vb, half %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v16f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 16, e16, m2, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v10 ; CHECK-NEXT: ret %head = insertelement <16 x half> poison, half %c, i32 0 %splat = shufflevector <16 x half> %head, <16 x half> poison, <16 x i32> zeroinitializer %neg = fneg <16 x half> %splat %neg2 = fneg <16 x half> %vb %vd = call <16 x half> @llvm.experimental.constrained.fma.v16f16(<16 x half> %neg, <16 x half> %va, <16 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <16 x half> %vd } declare <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half>, <32 x half>, <32 x half>, metadata, metadata) define <32 x half> @vfnmsub_vv_v32f16(<32 x half> %va, <32 x half> %vb, <32 x half> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v32f16: ; CHECK: # %bb.0: ; CHECK-NEXT: li a0, 32 ; CHECK-NEXT: vsetvli zero, a0, e16, m4, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v16, v12 ; CHECK-NEXT: ret %neg = fneg <32 x half> %vc %neg2 = fneg <32 x half> %vb %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %neg, <32 x half> %va, <32 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <32 x half> %vd } define <32 x half> @vfnmsub_vf_v32f16(<32 x half> %va, <32 x half> %vb, half %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v32f16: ; CHECK: # %bb.0: ; CHECK-NEXT: li a0, 32 ; CHECK-NEXT: vsetvli zero, a0, e16, m4, ta, ma ; CHECK-NEXT: vfnmacc.vf v8, fa0, v12 ; CHECK-NEXT: ret %head = insertelement <32 x half> poison, half %c, i32 0 %splat = shufflevector <32 x half> %head, <32 x half> poison, <32 x i32> zeroinitializer %neg = fneg <32 x half> %splat %neg2 = fneg <32 x half> %va %vd = call <32 x half> @llvm.experimental.constrained.fma.v32f16(<32 x half> %neg, <32 x half> %vb, <32 x half> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <32 x half> %vd } declare <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float>, <2 x float>, <2 x float>, metadata, metadata) define <2 x float> @vfnmsub_vv_v2f32(<2 x float> %va, <2 x float> %vb, <2 x float> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v2f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e32, mf2, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v10, v9 ; CHECK-NEXT: ret %neg = fneg <2 x float> %vc %neg2 = fneg <2 x float> %vb %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %va, <2 x float> %neg, <2 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x float> %vd } define <2 x float> @vfnmsub_vf_v2f32(<2 x float> %va, <2 x float> %vb, float %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v2f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e32, mf2, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <2 x float> poison, float %c, i32 0 %splat = shufflevector <2 x float> %head, <2 x float> poison, <2 x i32> zeroinitializer %neg = fneg <2 x float> %va %neg2 = fneg <2 x float> %vb %vd = call <2 x float> @llvm.experimental.constrained.fma.v2f32(<2 x float> %splat, <2 x float> %neg, <2 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x float> %vd } declare <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float>, <4 x float>, <4 x float>, metadata, metadata) define <4 x float> @vfnmsub_vv_v4f32(<4 x float> %va, <4 x float> %vb, <4 x float> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v4f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e32, m1, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v9, v10 ; CHECK-NEXT: ret %neg = fneg <4 x float> %va %neg2 = fneg <4 x float> %vc %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %vb, <4 x float> %neg, <4 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x float> %vd } define <4 x float> @vfnmsub_vf_v4f32(<4 x float> %va, <4 x float> %vb, float %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v4f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e32, m1, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <4 x float> poison, float %c, i32 0 %splat = shufflevector <4 x float> %head, <4 x float> poison, <4 x i32> zeroinitializer %neg = fneg <4 x float> %splat %neg2 = fneg <4 x float> %vb %vd = call <4 x float> @llvm.experimental.constrained.fma.v4f32(<4 x float> %va, <4 x float> %neg, <4 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x float> %vd } declare <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float>, <8 x float>, <8 x float>, metadata, metadata) define <8 x float> @vfnmsub_vv_v8f32(<8 x float> %va, <8 x float> %vb, <8 x float> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v8f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e32, m2, ta, ma ; CHECK-NEXT: vfnmacc.vv v8, v12, v10 ; CHECK-NEXT: ret %neg = fneg <8 x float> %vc %neg2 = fneg <8 x float> %va %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %neg, <8 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x float> %vd } define <8 x float> @vfnmsub_vf_v8f32(<8 x float> %va, <8 x float> %vb, float %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v8f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e32, m2, ta, ma ; CHECK-NEXT: vfnmacc.vf v8, fa0, v10 ; CHECK-NEXT: ret %head = insertelement <8 x float> poison, float %c, i32 0 %splat = shufflevector <8 x float> %head, <8 x float> poison, <8 x i32> zeroinitializer %neg = fneg <8 x float> %splat %neg2 = fneg <8 x float> %va %vd = call <8 x float> @llvm.experimental.constrained.fma.v8f32(<8 x float> %vb, <8 x float> %neg, <8 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x float> %vd } declare <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float>, <16 x float>, <16 x float>, metadata, metadata) define <16 x float> @vfnmsub_vv_v16f32(<16 x float> %va, <16 x float> %vb, <16 x float> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v16f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 16, e32, m4, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v16, v12 ; CHECK-NEXT: ret %neg = fneg <16 x float> %va %neg2 = fneg <16 x float> %vb %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %vc, <16 x float> %neg, <16 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <16 x float> %vd } define <16 x float> @vfnmsub_vf_v16f32(<16 x float> %va, <16 x float> %vb, float %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v16f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 16, e32, m4, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v12 ; CHECK-NEXT: ret %head = insertelement <16 x float> poison, float %c, i32 0 %splat = shufflevector <16 x float> %head, <16 x float> poison, <16 x i32> zeroinitializer %neg = fneg <16 x float> %splat %neg2 = fneg <16 x float> %vb %vd = call <16 x float> @llvm.experimental.constrained.fma.v16f32(<16 x float> %neg, <16 x float> %va, <16 x float> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <16 x float> %vd } declare <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double>, <2 x double>, <2 x double>, metadata, metadata) define <2 x double> @vfnmsub_vv_v2f64(<2 x double> %va, <2 x double> %vb, <2 x double> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v2f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e64, m1, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v10, v9 ; CHECK-NEXT: ret %neg = fneg <2 x double> %va %neg2 = fneg <2 x double> %vb %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %neg, <2 x double> %vc, <2 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x double> %vd } define <2 x double> @vfnmsub_vf_v2f64(<2 x double> %va, <2 x double> %vb, double %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v2f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 2, e64, m1, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v9 ; CHECK-NEXT: ret %head = insertelement <2 x double> poison, double %c, i32 0 %splat = shufflevector <2 x double> %head, <2 x double> poison, <2 x i32> zeroinitializer %neg = fneg <2 x double> %va %neg2 = fneg <2 x double> %vb %vd = call <2 x double> @llvm.experimental.constrained.fma.v2f64(<2 x double> %splat, <2 x double> %neg, <2 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <2 x double> %vd } declare <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double>, <4 x double>, <4 x double>, metadata, metadata) define <4 x double> @vfnmsub_vv_v4f64(<4 x double> %va, <4 x double> %vb, <4 x double> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v4f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e64, m2, ta, ma ; CHECK-NEXT: vfnmadd.vv v8, v10, v12 ; CHECK-NEXT: ret %neg = fneg <4 x double> %vb %neg2 = fneg <4 x double> %vc %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %neg, <4 x double> %va, <4 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x double> %vd } define <4 x double> @vfnmsub_vf_v4f64(<4 x double> %va, <4 x double> %vb, double %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v4f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 4, e64, m2, ta, ma ; CHECK-NEXT: vfnmadd.vf v8, fa0, v10 ; CHECK-NEXT: ret %head = insertelement <4 x double> poison, double %c, i32 0 %splat = shufflevector <4 x double> %head, <4 x double> poison, <4 x i32> zeroinitializer %neg = fneg <4 x double> %splat %neg2 = fneg <4 x double> %vb %vd = call <4 x double> @llvm.experimental.constrained.fma.v4f64(<4 x double> %va, <4 x double> %neg, <4 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <4 x double> %vd } declare <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double>, <8 x double>, <8 x double>, metadata, metadata) define <8 x double> @vfnmsub_vv_v8f64(<8 x double> %va, <8 x double> %vb, <8 x double> %vc) strictfp { ; CHECK-LABEL: vfnmsub_vv_v8f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e64, m4, ta, ma ; CHECK-NEXT: vfnmacc.vv v8, v16, v12 ; CHECK-NEXT: ret %neg = fneg <8 x double> %vb %neg2 = fneg <8 x double> %va %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %neg, <8 x double> %vc, <8 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x double> %vd } define <8 x double> @vfnmsub_vf_v8f64(<8 x double> %va, <8 x double> %vb, double %c) strictfp { ; CHECK-LABEL: vfnmsub_vf_v8f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetivli zero, 8, e64, m4, ta, ma ; CHECK-NEXT: vfnmacc.vf v8, fa0, v12 ; CHECK-NEXT: ret %head = insertelement <8 x double> poison, double %c, i32 0 %splat = shufflevector <8 x double> %head, <8 x double> poison, <8 x i32> zeroinitializer %neg = fneg <8 x double> %splat %neg2 = fneg <8 x double> %va %vd = call <8 x double> @llvm.experimental.constrained.fma.v8f64(<8 x double> %vb, <8 x double> %neg, <8 x double> %neg2, metadata !"round.dynamic", metadata !"fpexcept.strict") ret <8 x double> %vd }