; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=riscv64 -mattr=+v,+zvfh,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,ZVFH ; RUN: llc < %s -mtriple=riscv64 -mattr=+v,+zvfhmin,+zvfbfmin | FileCheck %s --check-prefixes=CHECK,ZVFHMIN define @vfwadd_same_operand_nxv2bf16( %arg, i32 signext %vl) { ; CHECK-LABEL: vfwadd_same_operand_nxv2bf16: ; CHECK: # %bb.0: # %bb ; CHECK-NEXT: vsetvli a0, zero, e16, mf2, ta, ma ; CHECK-NEXT: vfwcvtbf16.f.f.v v9, v8 ; CHECK-NEXT: vsetvli zero, zero, e32, m1, ta, ma ; CHECK-NEXT: vfadd.vv v8, v9, v9 ; CHECK-NEXT: ret bb: %tmp = call @llvm.vp.fpext.nxv2f32.nxv2bf16( %arg, splat (i1 true), i32 %vl) %tmp2 = call @llvm.vp.fadd.nxv2f32( %tmp, %tmp, splat (i1 true), i32 %vl) ret %tmp2 } ; Make sure we don't widen vfmadd.vv -> vfwmaccvbf16.vv if there's other ; unwidenable uses define @vfwadd_same_operand_nxv2bf16_multiuse( %arg, %acc, i32 signext %vl, ptr %p) { ; CHECK-LABEL: vfwadd_same_operand_nxv2bf16_multiuse: ; CHECK: # %bb.0: # %bb ; CHECK-NEXT: vsetvli a0, zero, e16, mf2, ta, ma ; CHECK-NEXT: vfwcvtbf16.f.f.v v10, v8 ; CHECK-NEXT: vsetvli zero, zero, e32, m1, ta, ma ; CHECK-NEXT: vfadd.vv v8, v10, v10 ; CHECK-NEXT: vfmadd.vv v10, v10, v9 ; CHECK-NEXT: vs1r.v v10, (a1) ; CHECK-NEXT: ret bb: %tmp = call @llvm.vp.fpext.nxv2f32.nxv2bf16( %arg, splat (i1 true), i32 %vl) %tmp2 = call @llvm.vp.fadd.nxv2f32( %tmp, %tmp, splat (i1 true), i32 %vl) %tmp3 = call @llvm.vp.fma.nxv2f32( %tmp, %tmp, %acc, splat (i1 true), i32 %vl) store %tmp3, ptr %p ret %tmp2 } define @vfwadd_same_operand( %arg, i32 signext %vl) { ; ZVFH-LABEL: vfwadd_same_operand: ; ZVFH: # %bb.0: # %bb ; ZVFH-NEXT: vsetvli a0, zero, e16, mf2, ta, ma ; ZVFH-NEXT: vfwadd.vv v9, v8, v8 ; ZVFH-NEXT: vmv1r.v v8, v9 ; ZVFH-NEXT: ret ; ; ZVFHMIN-LABEL: vfwadd_same_operand: ; ZVFHMIN: # %bb.0: # %bb ; ZVFHMIN-NEXT: vsetvli a0, zero, e16, mf2, ta, ma ; ZVFHMIN-NEXT: vfwcvt.f.f.v v9, v8 ; ZVFHMIN-NEXT: vsetvli zero, zero, e32, m1, ta, ma ; ZVFHMIN-NEXT: vfadd.vv v8, v9, v9 ; ZVFHMIN-NEXT: ret bb: %tmp = call @llvm.vp.fpext.nxv2f32.nxv2f16( %arg, splat (i1 true), i32 %vl) %tmp2 = call @llvm.vp.fadd.nxv2f32( %tmp, %tmp, splat (i1 true), i32 %vl) ret %tmp2 } define @vfwadd_tu( %arg, %arg1, i32 signext %arg2) { ; ZVFH-LABEL: vfwadd_tu: ; ZVFH: # %bb.0: # %bb ; ZVFH-NEXT: slli a0, a0, 32 ; ZVFH-NEXT: srli a0, a0, 32 ; ZVFH-NEXT: vsetvli zero, a0, e16, mf2, tu, ma ; ZVFH-NEXT: vfwadd.wv v9, v9, v8 ; ZVFH-NEXT: vmv1r.v v8, v9 ; ZVFH-NEXT: ret ; ; ZVFHMIN-LABEL: vfwadd_tu: ; ZVFHMIN: # %bb.0: # %bb ; ZVFHMIN-NEXT: slli a0, a0, 32 ; ZVFHMIN-NEXT: srli a0, a0, 32 ; ZVFHMIN-NEXT: vsetvli zero, a0, e16, mf2, ta, ma ; ZVFHMIN-NEXT: vfwcvt.f.f.v v10, v8 ; ZVFHMIN-NEXT: vsetvli zero, zero, e32, m1, tu, ma ; ZVFHMIN-NEXT: vfadd.vv v9, v9, v10 ; ZVFHMIN-NEXT: vmv1r.v v8, v9 ; ZVFHMIN-NEXT: ret bb: %tmp = call @llvm.vp.fpext.nxv2f32.nxv2f16( %arg, splat (i1 true), i32 %arg2) %tmp3 = call @llvm.vp.fadd.nxv2f32( %arg1, %tmp, splat (i1 true), i32 %arg2) %tmp4 = call @llvm.vp.merge.nxv2f32( splat (i1 true), %tmp3, %arg1, i32 %arg2) ret %tmp4 }