derek.holloway
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84 lines
3.2 KiB
LLVM
84 lines
3.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=riscv32 -mattr=+f,+d,+zfbfmin,+zvfbfmin,+v -target-abi ilp32d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s
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; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+zfbfmin,+zvfbfmin,+v -target-abi lp64d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s
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; RUN: llc -mtriple=riscv32 -mattr=+f,+d,+zvfbfmin,+v -target-abi ilp32d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=NOZFBFMIN
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; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+zvfbfmin,+v -target-abi lp64d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=NOZFBFMIN
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; RUN: llc -mtriple=riscv32 -mattr=+f,+d,+experimental-zvfbfa,+v -target-abi ilp32d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=ZVFBFA
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; RUN: llc -mtriple=riscv64 -mattr=+f,+d,+experimental-zvfbfa,+v -target-abi lp64d -verify-machineinstrs < %s \
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; RUN: | FileCheck %s --check-prefixes=ZVFBFA
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define <vscale x 8 x bfloat> @vsplat_nxv8bf16(bfloat %f) {
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; CHECK-LABEL: vsplat_nxv8bf16:
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; CHECK: # %bb.0:
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; CHECK-NEXT: fmv.x.h a0, fa0
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; CHECK-NEXT: vsetvli a1, zero, e16, m2, ta, ma
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; CHECK-NEXT: vmv.v.x v8, a0
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; CHECK-NEXT: ret
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;
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; NOZFBFMIN-LABEL: vsplat_nxv8bf16:
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; NOZFBFMIN: # %bb.0:
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; NOZFBFMIN-NEXT: fmv.x.w a0, fa0
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; NOZFBFMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma
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; NOZFBFMIN-NEXT: vmv.v.x v8, a0
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; NOZFBFMIN-NEXT: ret
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;
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; ZVFBFA-LABEL: vsplat_nxv8bf16:
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; ZVFBFA: # %bb.0:
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; ZVFBFA-NEXT: vsetvli a0, zero, e16alt, m2, ta, ma
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; ZVFBFA-NEXT: vfmv.v.f v8, fa0
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; ZVFBFA-NEXT: ret
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%head = insertelement <vscale x 8 x bfloat> poison, bfloat %f, i32 0
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%splat = shufflevector <vscale x 8 x bfloat> %head, <vscale x 8 x bfloat> poison, <vscale x 8 x i32> zeroinitializer
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ret <vscale x 8 x bfloat> %splat
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}
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define <vscale x 8 x bfloat> @vsplat_zero_nxv8bf16() {
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; CHECK-LABEL: vsplat_zero_nxv8bf16:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vsetvli a0, zero, e16, m2, ta, ma
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; CHECK-NEXT: vmv.v.i v8, 0
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; CHECK-NEXT: ret
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;
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; NOZFBFMIN-LABEL: vsplat_zero_nxv8bf16:
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; NOZFBFMIN: # %bb.0:
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; NOZFBFMIN-NEXT: vsetvli a0, zero, e16, m2, ta, ma
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; NOZFBFMIN-NEXT: vmv.v.i v8, 0
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; NOZFBFMIN-NEXT: ret
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;
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; ZVFBFA-LABEL: vsplat_zero_nxv8bf16:
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; ZVFBFA: # %bb.0:
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; ZVFBFA-NEXT: vsetvli a0, zero, e16, m2, ta, ma
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; ZVFBFA-NEXT: vmv.v.i v8, 0
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; ZVFBFA-NEXT: ret
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ret <vscale x 8 x bfloat> splat (bfloat zeroinitializer)
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}
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define <vscale x 8 x bfloat> @vsplat_negzero_nxv8bf16() {
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; CHECK-LABEL: vsplat_negzero_nxv8bf16:
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; CHECK: # %bb.0:
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; CHECK-NEXT: lui a0, 1048568
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; CHECK-NEXT: vsetvli a1, zero, e16, m2, ta, ma
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; CHECK-NEXT: vmv.v.x v8, a0
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; CHECK-NEXT: ret
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;
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; NOZFBFMIN-LABEL: vsplat_negzero_nxv8bf16:
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; NOZFBFMIN: # %bb.0:
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; NOZFBFMIN-NEXT: lui a0, 1048568
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; NOZFBFMIN-NEXT: vsetvli a1, zero, e16, m2, ta, ma
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; NOZFBFMIN-NEXT: vmv.v.x v8, a0
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; NOZFBFMIN-NEXT: ret
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;
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; ZVFBFA-LABEL: vsplat_negzero_nxv8bf16:
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; ZVFBFA: # %bb.0:
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; ZVFBFA-NEXT: lui a0, 1048568
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; ZVFBFA-NEXT: vsetvli a1, zero, e16, m2, ta, ma
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; ZVFBFA-NEXT: vmv.v.x v8, a0
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; ZVFBFA-NEXT: ret
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ret <vscale x 8 x bfloat> splat (bfloat -0.0)
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}
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