; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=riscv32 -mattr=+v,+zvfh,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,NOZFMIN,ZVFH ; RUN: llc -mtriple=riscv64 -mattr=+v,+zvfh,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,NOZFMIN,ZVFH ; RUN: llc -mtriple=riscv32 -mattr=+v,+zvfhmin,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,NOZFMIN,ZVFHMIN ; RUN: llc -mtriple=riscv64 -mattr=+v,+zvfhmin,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,NOZFMIN,ZVFHMIN ; RUN: llc -mtriple=riscv32 -mattr=+v,+zfhmin,+zfbfmin,+zvfhmin,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,ZFMIN ; RUN: llc -mtriple=riscv64 -mattr=+v,+zfhmin,+zfbfmin,+zvfhmin,+zvfbfmin -verify-machineinstrs < %s | FileCheck %s --check-prefixes=CHECK,ZFMIN define @vsplat_nxv8bf16(bfloat %f) { ; NOZFMIN-LABEL: vsplat_nxv8bf16: ; NOZFMIN: # %bb.0: ; NOZFMIN-NEXT: fmv.x.w a0, fa0 ; NOZFMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma ; NOZFMIN-NEXT: vmv.v.x v8, a0 ; NOZFMIN-NEXT: ret ; ; ZFMIN-LABEL: vsplat_nxv8bf16: ; ZFMIN: # %bb.0: ; ZFMIN-NEXT: fmv.x.h a0, fa0 ; ZFMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma ; ZFMIN-NEXT: vmv.v.x v8, a0 ; ZFMIN-NEXT: ret %head = insertelement poison, bfloat %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat } define @vsplat_zero_nxv8bf16() { ; CHECK-LABEL: vsplat_zero_nxv8bf16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, ma ; CHECK-NEXT: vmv.v.i v8, 0 ; CHECK-NEXT: ret ret splat (bfloat zeroinitializer) } define @vsplat_nxv8f16(half %f) { ; ZVFH-LABEL: vsplat_nxv8f16: ; ZVFH: # %bb.0: ; ZVFH-NEXT: vsetvli a0, zero, e16, m2, ta, ma ; ZVFH-NEXT: vfmv.v.f v8, fa0 ; ZVFH-NEXT: ret ; ; ZVFHMIN-LABEL: vsplat_nxv8f16: ; ZVFHMIN: # %bb.0: ; ZVFHMIN-NEXT: fmv.x.w a0, fa0 ; ZVFHMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma ; ZVFHMIN-NEXT: vmv.v.x v8, a0 ; ZVFHMIN-NEXT: ret ; ; ZFMIN-LABEL: vsplat_nxv8f16: ; ZFMIN: # %bb.0: ; ZFMIN-NEXT: fmv.x.h a0, fa0 ; ZFMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma ; ZFMIN-NEXT: vmv.v.x v8, a0 ; ZFMIN-NEXT: ret %head = insertelement poison, half %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat } define @vsplat_zero_nxv8f16() { ; CHECK-LABEL: vsplat_zero_nxv8f16: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, ma ; CHECK-NEXT: vmv.v.i v8, 0 ; CHECK-NEXT: ret ret splat (half zeroinitializer) } define @vsplat_nxv8f32(float %f) { ; CHECK-LABEL: vsplat_nxv8f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma ; CHECK-NEXT: vfmv.v.f v8, fa0 ; CHECK-NEXT: ret %head = insertelement poison, float %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat } define @vsplat_zero_nxv8f32() { ; CHECK-LABEL: vsplat_zero_nxv8f32: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma ; CHECK-NEXT: vmv.v.i v8, 0 ; CHECK-NEXT: ret ret splat (float zeroinitializer) } define @vsplat_nxv8f64(double %f) { ; CHECK-LABEL: vsplat_nxv8f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e64, m8, ta, ma ; CHECK-NEXT: vfmv.v.f v8, fa0 ; CHECK-NEXT: ret %head = insertelement poison, double %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat } define @vsplat_zero_nxv8f64() { ; CHECK-LABEL: vsplat_zero_nxv8f64: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a0, zero, e64, m8, ta, ma ; CHECK-NEXT: vmv.v.i v8, 0 ; CHECK-NEXT: ret ret splat (double zeroinitializer) } define @vsplat_load_nxv8f32(ptr %ptr) { ; CHECK-LABEL: vsplat_load_nxv8f32: ; CHECK: # %bb.0: ; CHECK-NEXT: flw fa5, 0(a0) ; CHECK-NEXT: vsetvli a0, zero, e32, m4, ta, ma ; CHECK-NEXT: vfmv.v.f v8, fa5 ; CHECK-NEXT: ret %f = load float, ptr %ptr %head = insertelement poison, float %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat } ; Test that we fold this to a vlse with 0 stride. define @vsplat_load_nxv8f32_optimized(ptr %ptr) "target-features"="+optimized-zero-stride-load" { ; CHECK-LABEL: vsplat_load_nxv8f32_optimized: ; CHECK: # %bb.0: ; CHECK-NEXT: vsetvli a1, zero, e32, m4, ta, ma ; CHECK-NEXT: vlse32.v v8, (a0), zero ; CHECK-NEXT: ret %f = load float, ptr %ptr %head = insertelement poison, float %f, i32 0 %splat = shufflevector %head, poison, zeroinitializer ret %splat }