4bac9d4911
There is no RISCV isel for bitcast between f16 and bf16 which will trigger "cannot select" fatal error. Co-authored-by: Ying Wang <wy446777@alibaba-inc.com>
30 lines
874 B
LLVM
30 lines
874 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 6
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; RUN: sed 's/iXLen/i32/g' %s | llc -mtriple=riscv32 -mattr=+zfhmin,+zfbfmin \
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; RUN: -verify-machineinstrs | FileCheck %s --check-prefixes=RV32
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; RUN: sed 's/iXLen/i64/g' %s | llc -mtriple=riscv64 -mattr=+zfhmin,+zfbfmin \
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; RUN: -verify-machineinstrs | FileCheck %s --check-prefixes=RV64
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define bfloat @fcvt_bf16_h(half %a) nounwind {
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; RV32-LABEL: fcvt_bf16_h:
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; RV32: # %bb.0:
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; RV32-NEXT: ret
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;
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; RV64-LABEL: fcvt_bf16_h:
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; RV64: # %bb.0:
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; RV64-NEXT: ret
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%r = bitcast half %a to bfloat
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ret bfloat %r
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}
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define half @test_h_bf16(bfloat %a) nounwind {
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; RV32-LABEL: test_h_bf16:
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; RV32: # %bb.0:
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; RV32-NEXT: ret
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;
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; RV64-LABEL: test_h_bf16:
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; RV64: # %bb.0:
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; RV64-NEXT: ret
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%r = bitcast bfloat %a to half
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ret half %r
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}
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