fallback: translate: uitofp i64
| Run: | main-04ca53e65f-20261014-105623 |
| Kind: | fallback |
| Category: | translate: uitofp i64 |
| Occurrences: | 6 in 6 configs, 1 test files |
| Snippet from: | bfloat-convert.ll @fcvt_bf16_lu 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_lu(i64 %a) #0 {
%1 = uitofp i64 %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: uitofp: ' %1 = uitofp i64 %a to bfloat' (in function: fcvt_bf16_lu)
warning: Instruction selection used fallback path for fcvt_bf16_lu
Occurrences (6):
| Input | Function | Config |
|---|
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi ilp32d |
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv32 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi ilp32d |
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv32 -mattr=+zfbfmin -verify-machineinstrs -target-abi ilp32f |
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi lp64d |
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv64 -mattr=+d,+zfbfmin -verify-machineinstrs -target-abi lp64d |
| bfloat-convert.ll | fcvt_bf16_lu | -mtriple=riscv64 -mattr=+zfbfmin -verify-machineinstrs -target-abi lp64f |
Generated 2026-10-15 08:05 UTC.