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[RISCV][clang] Add Zvfbfmin C intrinsics support (#79618)
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@4vtomat
4vtomat authored Feb 3, 2024
1 parent f5154b9 commit d9850fe
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15 changes: 15 additions & 0 deletions clang/include/clang/Basic/riscv_vector.td
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Original file line number Diff line number Diff line change
Expand Up @@ -1883,6 +1883,11 @@ let Log2LMUL = [-3, -2, -1, 0, 1, 2] in {
def vfncvt_rtz_x_f_w : RVVConvToNarrowingSignedBuiltin<"vfncvt_rtz_x">;
def vfncvt_rod_f_f_w : RVVConvBuiltin<"v", "vw", "xf", "vfncvt_rod_f">;
}

// Zvfbfmin - Vector convert BF16 to FP32
let Log2LMUL = [-2, -1, 0, 1, 2] in
def vfwcvtbf16_f_f_v : RVVConvBuiltin<"Fw", "Fwv", "y", "vfwcvtbf16_f">;

let ManualCodegen = [{
{
// LLVM intrinsic
Expand Down Expand Up @@ -1970,6 +1975,11 @@ let ManualCodegen = [{
defm : RVVConvBuiltinSet<"vfncvt_f_f_w", "x", [["v", "vwu"]]>;
}
}

// Zvfbfmin - Vector convert FP32 to BF16
let Log2LMUL = [-2, -1, 0, 1, 2],
OverloadedName = "vfncvtbf16_f" in
defm : RVVConvBuiltinSet<"vfncvtbf16_f_f_w", "y", [["v", "vFwu"]]>;
}

// 13.17. Single-Width Floating-Point/Integer Type-Convert Instructions
Expand Down Expand Up @@ -2015,6 +2025,11 @@ let ManualCodegen = [{
defm : RVVConvBuiltinSet<"vfncvt_f_f_w", "x", [["v", "vw"]]>;
}
}

// Zvfbfmin - Vector convert FP32 to BF16
let Log2LMUL = [-2, -1, 0, 1, 2],
OverloadedName = "vfncvtbf16_f" in
defm : RVVConvBuiltinSet<"vfncvtbf16_f_f_w", "y", [["v", "vFw"]]>;
}
}

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218 changes: 218 additions & 0 deletions clang/test/CodeGen/RISCV/rvv-intrinsics-autogenerated/non-policy/non-overloaded/vfncvtbf16.c
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@@ -0,0 +1,218 @@
// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 4
// REQUIRES: riscv-registered-target
// RUN: %clang_cc1 -triple riscv64 -target-feature +v \
// RUN: -target-feature +experimental-zvfbfmin -disable-O0-optnone \
// RUN: -emit-llvm %s -o - | opt -S -passes=mem2reg | \
// RUN: FileCheck --check-prefix=CHECK-RV64 %s

#include <riscv_vector.h>

// CHECK-RV64-LABEL: define dso_local <vscale x 1 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf4(
// CHECK-RV64-SAME: <vscale x 1 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0:[0-9]+]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 1 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv1bf16.nxv1f32.i64(<vscale x 1 x bfloat> poison, <vscale x 1 x float> [[VS2]], i64 7, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 1 x bfloat> [[TMP0]]
//
vbfloat16mf4_t test_vfncvtbf16_f_f_w_bf16mf4(vfloat32mf2_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf4(vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 2 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf2(
// CHECK-RV64-SAME: <vscale x 2 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 2 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv2bf16.nxv2f32.i64(<vscale x 2 x bfloat> poison, <vscale x 2 x float> [[VS2]], i64 7, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 2 x bfloat> [[TMP0]]
//
vbfloat16mf2_t test_vfncvtbf16_f_f_w_bf16mf2(vfloat32m1_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf2(vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 4 x bfloat> @test_vfncvtbf16_f_f_w_bf16m1(
// CHECK-RV64-SAME: <vscale x 4 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 4 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv4bf16.nxv4f32.i64(<vscale x 4 x bfloat> poison, <vscale x 4 x float> [[VS2]], i64 7, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 4 x bfloat> [[TMP0]]
//
vbfloat16m1_t test_vfncvtbf16_f_f_w_bf16m1(vfloat32m2_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m1(vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 8 x bfloat> @test_vfncvtbf16_f_f_w_bf16m2(
// CHECK-RV64-SAME: <vscale x 8 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 8 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv8bf16.nxv8f32.i64(<vscale x 8 x bfloat> poison, <vscale x 8 x float> [[VS2]], i64 7, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 8 x bfloat> [[TMP0]]
//
vbfloat16m2_t test_vfncvtbf16_f_f_w_bf16m2(vfloat32m4_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m2(vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 16 x bfloat> @test_vfncvtbf16_f_f_w_bf16m4(
// CHECK-RV64-SAME: <vscale x 16 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 16 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv16bf16.nxv16f32.i64(<vscale x 16 x bfloat> poison, <vscale x 16 x float> [[VS2]], i64 7, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 16 x bfloat> [[TMP0]]
//
vbfloat16m4_t test_vfncvtbf16_f_f_w_bf16m4(vfloat32m8_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m4(vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 1 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf4_m(
// CHECK-RV64-SAME: <vscale x 1 x i1> [[VM:%.*]], <vscale x 1 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 1 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv1bf16.nxv1f32.i64(<vscale x 1 x bfloat> poison, <vscale x 1 x float> [[VS2]], <vscale x 1 x i1> [[VM]], i64 7, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 1 x bfloat> [[TMP0]]
//
vbfloat16mf4_t test_vfncvtbf16_f_f_w_bf16mf4_m(vbool64_t vm, vfloat32mf2_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf4_m(vm, vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 2 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf2_m(
// CHECK-RV64-SAME: <vscale x 2 x i1> [[VM:%.*]], <vscale x 2 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 2 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv2bf16.nxv2f32.i64(<vscale x 2 x bfloat> poison, <vscale x 2 x float> [[VS2]], <vscale x 2 x i1> [[VM]], i64 7, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 2 x bfloat> [[TMP0]]
//
vbfloat16mf2_t test_vfncvtbf16_f_f_w_bf16mf2_m(vbool32_t vm, vfloat32m1_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf2_m(vm, vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 4 x bfloat> @test_vfncvtbf16_f_f_w_bf16m1_m(
// CHECK-RV64-SAME: <vscale x 4 x i1> [[VM:%.*]], <vscale x 4 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 4 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv4bf16.nxv4f32.i64(<vscale x 4 x bfloat> poison, <vscale x 4 x float> [[VS2]], <vscale x 4 x i1> [[VM]], i64 7, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 4 x bfloat> [[TMP0]]
//
vbfloat16m1_t test_vfncvtbf16_f_f_w_bf16m1_m(vbool16_t vm, vfloat32m2_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m1_m(vm, vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 8 x bfloat> @test_vfncvtbf16_f_f_w_bf16m2_m(
// CHECK-RV64-SAME: <vscale x 8 x i1> [[VM:%.*]], <vscale x 8 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 8 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv8bf16.nxv8f32.i64(<vscale x 8 x bfloat> poison, <vscale x 8 x float> [[VS2]], <vscale x 8 x i1> [[VM]], i64 7, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 8 x bfloat> [[TMP0]]
//
vbfloat16m2_t test_vfncvtbf16_f_f_w_bf16m2_m(vbool8_t vm, vfloat32m4_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m2_m(vm, vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 16 x bfloat> @test_vfncvtbf16_f_f_w_bf16m4_m(
// CHECK-RV64-SAME: <vscale x 16 x i1> [[VM:%.*]], <vscale x 16 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 16 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv16bf16.nxv16f32.i64(<vscale x 16 x bfloat> poison, <vscale x 16 x float> [[VS2]], <vscale x 16 x i1> [[VM]], i64 7, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 16 x bfloat> [[TMP0]]
//
vbfloat16m4_t test_vfncvtbf16_f_f_w_bf16m4_m(vbool4_t vm, vfloat32m8_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m4_m(vm, vs2, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 1 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf4_rm(
// CHECK-RV64-SAME: <vscale x 1 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 1 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv1bf16.nxv1f32.i64(<vscale x 1 x bfloat> poison, <vscale x 1 x float> [[VS2]], i64 0, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 1 x bfloat> [[TMP0]]
//
vbfloat16mf4_t test_vfncvtbf16_f_f_w_bf16mf4_rm(vfloat32mf2_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf4_rm(vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 2 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf2_rm(
// CHECK-RV64-SAME: <vscale x 2 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 2 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv2bf16.nxv2f32.i64(<vscale x 2 x bfloat> poison, <vscale x 2 x float> [[VS2]], i64 0, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 2 x bfloat> [[TMP0]]
//
vbfloat16mf2_t test_vfncvtbf16_f_f_w_bf16mf2_rm(vfloat32m1_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf2_rm(vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 4 x bfloat> @test_vfncvtbf16_f_f_w_bf16m1_rm(
// CHECK-RV64-SAME: <vscale x 4 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 4 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv4bf16.nxv4f32.i64(<vscale x 4 x bfloat> poison, <vscale x 4 x float> [[VS2]], i64 0, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 4 x bfloat> [[TMP0]]
//
vbfloat16m1_t test_vfncvtbf16_f_f_w_bf16m1_rm(vfloat32m2_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m1_rm(vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 8 x bfloat> @test_vfncvtbf16_f_f_w_bf16m2_rm(
// CHECK-RV64-SAME: <vscale x 8 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 8 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv8bf16.nxv8f32.i64(<vscale x 8 x bfloat> poison, <vscale x 8 x float> [[VS2]], i64 0, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 8 x bfloat> [[TMP0]]
//
vbfloat16m2_t test_vfncvtbf16_f_f_w_bf16m2_rm(vfloat32m4_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m2_rm(vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 16 x bfloat> @test_vfncvtbf16_f_f_w_bf16m4_rm(
// CHECK-RV64-SAME: <vscale x 16 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 16 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.nxv16bf16.nxv16f32.i64(<vscale x 16 x bfloat> poison, <vscale x 16 x float> [[VS2]], i64 0, i64 [[VL]])
// CHECK-RV64-NEXT: ret <vscale x 16 x bfloat> [[TMP0]]
//
vbfloat16m4_t test_vfncvtbf16_f_f_w_bf16m4_rm(vfloat32m8_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m4_rm(vs2, __RISCV_FRM_RNE, vl);
}

vbfloat16mf4_t
// CHECK-RV64-LABEL: define dso_local <vscale x 1 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf4_rm_m(
// CHECK-RV64-SAME: <vscale x 1 x i1> [[VM:%.*]], <vscale x 1 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 1 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv1bf16.nxv1f32.i64(<vscale x 1 x bfloat> poison, <vscale x 1 x float> [[VS2]], <vscale x 1 x i1> [[VM]], i64 0, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 1 x bfloat> [[TMP0]]
//
test_vfncvtbf16_f_f_w_bf16mf4_rm_m(vbool64_t vm, vfloat32mf2_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf4_rm_m(vm, vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 2 x bfloat> @test_vfncvtbf16_f_f_w_bf16mf2_rm_m(
// CHECK-RV64-SAME: <vscale x 2 x i1> [[VM:%.*]], <vscale x 2 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 2 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv2bf16.nxv2f32.i64(<vscale x 2 x bfloat> poison, <vscale x 2 x float> [[VS2]], <vscale x 2 x i1> [[VM]], i64 0, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 2 x bfloat> [[TMP0]]
//
vbfloat16mf2_t test_vfncvtbf16_f_f_w_bf16mf2_rm_m(vbool32_t vm,
vfloat32m1_t vs2, size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16mf2_rm_m(vm, vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 4 x bfloat> @test_vfncvtbf16_f_f_w_bf16m1_rm_m(
// CHECK-RV64-SAME: <vscale x 4 x i1> [[VM:%.*]], <vscale x 4 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 4 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv4bf16.nxv4f32.i64(<vscale x 4 x bfloat> poison, <vscale x 4 x float> [[VS2]], <vscale x 4 x i1> [[VM]], i64 0, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 4 x bfloat> [[TMP0]]
//
vbfloat16m1_t test_vfncvtbf16_f_f_w_bf16m1_rm_m(vbool16_t vm, vfloat32m2_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m1_rm_m(vm, vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 8 x bfloat> @test_vfncvtbf16_f_f_w_bf16m2_rm_m(
// CHECK-RV64-SAME: <vscale x 8 x i1> [[VM:%.*]], <vscale x 8 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 8 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv8bf16.nxv8f32.i64(<vscale x 8 x bfloat> poison, <vscale x 8 x float> [[VS2]], <vscale x 8 x i1> [[VM]], i64 0, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 8 x bfloat> [[TMP0]]
//
vbfloat16m2_t test_vfncvtbf16_f_f_w_bf16m2_rm_m(vbool8_t vm, vfloat32m4_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m2_rm_m(vm, vs2, __RISCV_FRM_RNE, vl);
}

// CHECK-RV64-LABEL: define dso_local <vscale x 16 x bfloat> @test_vfncvtbf16_f_f_w_bf16m4_rm_m(
// CHECK-RV64-SAME: <vscale x 16 x i1> [[VM:%.*]], <vscale x 16 x float> [[VS2:%.*]], i64 noundef [[VL:%.*]]) #[[ATTR0]] {
// CHECK-RV64-NEXT: entry:
// CHECK-RV64-NEXT: [[TMP0:%.*]] = call <vscale x 16 x bfloat> @llvm.riscv.vfncvtbf16.f.f.w.mask.nxv16bf16.nxv16f32.i64(<vscale x 16 x bfloat> poison, <vscale x 16 x float> [[VS2]], <vscale x 16 x i1> [[VM]], i64 0, i64 [[VL]], i64 3)
// CHECK-RV64-NEXT: ret <vscale x 16 x bfloat> [[TMP0]]
//
vbfloat16m4_t test_vfncvtbf16_f_f_w_bf16m4_rm_m(vbool4_t vm, vfloat32m8_t vs2,
size_t vl) {
return __riscv_vfncvtbf16_f_f_w_bf16m4_rm_m(vm, vs2, __RISCV_FRM_RNE, vl);
}
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