fallback: translate: sitofp i16

Run:	main-04ca53e65f-20261014-105623
Kind:	fallback
Category:	translate: sitofp i16
Occurrences:	18 in 6 configs, 1 test files
Snippet from:	bfloat-convert.ll @fcvt_bf16_si via llvm-extract
Config:	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d`
Local check:	reproduces at 04ca53e65f
Compiler Explorer:	not uploaded (over --godbolt-limit or disabled)

Snippet:

; Function Attrs: nounwind
define bfloat @fcvt_bf16_si(i16 %a) #0 {
  %1 = sitofp i16 %a to bfloat
  ret bfloat %1
}

attributes #0 = { nounwind }

Reproduce:

llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to translate instruction: sitofp: '  %1 = sitofp i16 %a to bfloat' (in function: fcvt_bf16_si)
warning: Instruction selection used fallback path for fcvt_bf16_si

Occurrences (18):

Input	Function	Config
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv32 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs -target-abi ilp32f`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs -target-abi ilp32f`
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi lp64d`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi lp64d`
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv64 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi lp64d`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi lp64d`
bfloat-convert.ll	fcvt_bf16_si	`-mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs -target-abi lp64f`
bfloat-convert.ll	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs -target-abi lp64f`
bfloat-convert.02ce774579.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi lp64d`
bfloat-convert.2d7794f160.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.4b29246a3d.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs -target-abi ilp32f`
bfloat-convert.c46ce768e0.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs -target-abi lp64f`
bfloat-convert.dd5b054525.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv32 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi ilp32d`
bfloat-convert.fa492a86eb.ll (mutant of bfloat-convert.ll)	fcvt_bf16_si_signext	`-mtriple=riscv64 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi lp64d`

Generated 2026-10-15 08:05 UTC.