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TheRock/compiler/amd-llvm/llvm/test/CodeGen/RISCV/rvv/vselect-bf16.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

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LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+m,+d,+v,+zfbfmin,+zvfbfmin -target-abi=ilp32d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+m,+d,+v,+zfbfmin,+zvfbfmin -target-abi=lp64d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv32 -mattr=+m,+d,+v,+zvfh,+zfbfmin,+zvfbfmin -target-abi=ilp32d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=riscv64 -mattr=+m,+d,+v,+zvfh,+zfbfmin,+zvfbfmin -target-abi=lp64d \
; RUN: -verify-machineinstrs < %s | FileCheck %s
define <vscale x 1 x bfloat> @vfmerge_vv_nxv1bf16(<vscale x 1 x bfloat> %va, <vscale x 1 x bfloat> %vb, <vscale x 1 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv1bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, mf4, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v9, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 1 x i1> %cond, <vscale x 1 x bfloat> %va, <vscale x 1 x bfloat> %vb
ret <vscale x 1 x bfloat> %vc
}
define <vscale x 1 x bfloat> @vfmerge_fv_nxv1bf16(<vscale x 1 x bfloat> %va, bfloat %b, <vscale x 1 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv1bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, mf4, ta, ma
; CHECK-NEXT: vmv.v.x v9, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 1 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 1 x bfloat> %head, <vscale x 1 x bfloat> poison, <vscale x 1 x i32> zeroinitializer
%vc = select <vscale x 1 x i1> %cond, <vscale x 1 x bfloat> %splat, <vscale x 1 x bfloat> %va
ret <vscale x 1 x bfloat> %vc
}
define <vscale x 2 x bfloat> @vfmerge_vv_nxv2bf16(<vscale x 2 x bfloat> %va, <vscale x 2 x bfloat> %vb, <vscale x 2 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv2bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, mf2, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v9, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 2 x i1> %cond, <vscale x 2 x bfloat> %va, <vscale x 2 x bfloat> %vb
ret <vscale x 2 x bfloat> %vc
}
define <vscale x 2 x bfloat> @vfmerge_fv_nxv2bf16(<vscale x 2 x bfloat> %va, bfloat %b, <vscale x 2 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv2bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, mf2, ta, ma
; CHECK-NEXT: vmv.v.x v9, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 2 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 2 x bfloat> %head, <vscale x 2 x bfloat> poison, <vscale x 2 x i32> zeroinitializer
%vc = select <vscale x 2 x i1> %cond, <vscale x 2 x bfloat> %splat, <vscale x 2 x bfloat> %va
ret <vscale x 2 x bfloat> %vc
}
define <vscale x 4 x bfloat> @vfmerge_vv_nxv4bf16(<vscale x 4 x bfloat> %va, <vscale x 4 x bfloat> %vb, <vscale x 4 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv4bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, m1, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v9, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 4 x i1> %cond, <vscale x 4 x bfloat> %va, <vscale x 4 x bfloat> %vb
ret <vscale x 4 x bfloat> %vc
}
define <vscale x 4 x bfloat> @vfmerge_fv_nxv4bf16(<vscale x 4 x bfloat> %va, bfloat %b, <vscale x 4 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv4bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, m1, ta, ma
; CHECK-NEXT: vmv.v.x v9, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v9, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 4 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 4 x bfloat> %head, <vscale x 4 x bfloat> poison, <vscale x 4 x i32> zeroinitializer
%vc = select <vscale x 4 x i1> %cond, <vscale x 4 x bfloat> %splat, <vscale x 4 x bfloat> %va
ret <vscale x 4 x bfloat> %vc
}
define <vscale x 8 x bfloat> @vfmerge_vv_nxv8bf16(<vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb, <vscale x 8 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv8bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v10, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 8 x i1> %cond, <vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb
ret <vscale x 8 x bfloat> %vc
}
define <vscale x 8 x bfloat> @vfmerge_fv_nxv8bf16(<vscale x 8 x bfloat> %va, bfloat %b, <vscale x 8 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv8bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, m2, ta, ma
; CHECK-NEXT: vmv.v.x v10, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 8 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 8 x bfloat> %head, <vscale x 8 x bfloat> poison, <vscale x 8 x i32> zeroinitializer
%vc = select <vscale x 8 x i1> %cond, <vscale x 8 x bfloat> %splat, <vscale x 8 x bfloat> %va
ret <vscale x 8 x bfloat> %vc
}
define <vscale x 8 x bfloat> @vfmerge_zv_nxv8bf16(<vscale x 8 x bfloat> %va, <vscale x 8 x i1> %cond) {
; CHECK-LABEL: vfmerge_zv_nxv8bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, ma
; CHECK-NEXT: vmv.v.i v10, 0
; CHECK-NEXT: vmerge.vvm v8, v8, v10, v0
; CHECK-NEXT: ret
%vc = select <vscale x 8 x i1> %cond, <vscale x 8 x bfloat> splat (bfloat zeroinitializer), <vscale x 8 x bfloat> %va
ret <vscale x 8 x bfloat> %vc
}
define <vscale x 8 x bfloat> @vmerge_truelhs_nxv8bf16_0(<vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb) {
; CHECK-LABEL: vmerge_truelhs_nxv8bf16_0:
; CHECK: # %bb.0:
; CHECK-NEXT: ret
%vc = select <vscale x 8 x i1> splat (i1 1), <vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb
ret <vscale x 8 x bfloat> %vc
}
define <vscale x 8 x bfloat> @vmerge_falselhs_nxv8bf16_0(<vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb) {
; CHECK-LABEL: vmerge_falselhs_nxv8bf16_0:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetivli zero, 1, e8, m1, ta, ma
; CHECK-NEXT: vmv2r.v v8, v10
; CHECK-NEXT: ret
%vc = select <vscale x 8 x i1> zeroinitializer, <vscale x 8 x bfloat> %va, <vscale x 8 x bfloat> %vb
ret <vscale x 8 x bfloat> %vc
}
define <vscale x 16 x bfloat> @vfmerge_vv_nxv16bf16(<vscale x 16 x bfloat> %va, <vscale x 16 x bfloat> %vb, <vscale x 16 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv16bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, m4, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v12, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 16 x i1> %cond, <vscale x 16 x bfloat> %va, <vscale x 16 x bfloat> %vb
ret <vscale x 16 x bfloat> %vc
}
define <vscale x 16 x bfloat> @vfmerge_fv_nxv16bf16(<vscale x 16 x bfloat> %va, bfloat %b, <vscale x 16 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv16bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, m4, ta, ma
; CHECK-NEXT: vmv.v.x v12, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v12, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 16 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 16 x bfloat> %head, <vscale x 16 x bfloat> poison, <vscale x 16 x i32> zeroinitializer
%vc = select <vscale x 16 x i1> %cond, <vscale x 16 x bfloat> %splat, <vscale x 16 x bfloat> %va
ret <vscale x 16 x bfloat> %vc
}
define <vscale x 32 x bfloat> @vfmerge_vv_nxv32bf16(<vscale x 32 x bfloat> %va, <vscale x 32 x bfloat> %vb, <vscale x 32 x i1> %cond) {
; CHECK-LABEL: vfmerge_vv_nxv32bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: vsetvli a0, zero, e16, m8, ta, ma
; CHECK-NEXT: vmerge.vvm v8, v16, v8, v0
; CHECK-NEXT: ret
%vc = select <vscale x 32 x i1> %cond, <vscale x 32 x bfloat> %va, <vscale x 32 x bfloat> %vb
ret <vscale x 32 x bfloat> %vc
}
define <vscale x 32 x bfloat> @vfmerge_fv_nxv32bf16(<vscale x 32 x bfloat> %va, bfloat %b, <vscale x 32 x i1> %cond) {
; CHECK-LABEL: vfmerge_fv_nxv32bf16:
; CHECK: # %bb.0:
; CHECK-NEXT: fmv.x.h a0, fa0
; CHECK-NEXT: vsetvli a1, zero, e16, m8, ta, ma
; CHECK-NEXT: vmv.v.x v16, a0
; CHECK-NEXT: vmerge.vvm v8, v8, v16, v0
; CHECK-NEXT: ret
%head = insertelement <vscale x 32 x bfloat> poison, bfloat %b, i32 0
%splat = shufflevector <vscale x 32 x bfloat> %head, <vscale x 32 x bfloat> poison, <vscale x 32 x i32> zeroinitializer
%vc = select <vscale x 32 x i1> %cond, <vscale x 32 x bfloat> %splat, <vscale x 32 x bfloat> %va
ret <vscale x 32 x bfloat> %vc
}
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