| Run: | explore-bc8218b282-20261015-075519 |
| Kind: | fallback |
| Category: | legalize: G_FPTOUI_SAT s8,s32 |
| Occurrences: | 10 in 6 configs, 1 test files |
| Snippet from: | float-convert.ll @fcvt_wu_s_sat_i8 via llvm-extract |
| Config: | -mtriple=riscv32 -mattr=+f -verify-machineinstrs -target-abi=ilp32f |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
; Function Attrs: nounwind
define zeroext i8 @fcvt_wu_s_sat_i8(float %a) #0 {
start:
%0 = tail call i8 @llvm.fptoui.sat.i8.f32(float %a)
ret i8 %0
}
; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.fptoui.sat.i8.f32(float) #1
attributes #0 = { nounwind }
attributes #1 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs -target-abi=ilp32f -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc -mtriple=riscv32 -mattr=+f -verify-machineinstrs -target-abi=ilp32f -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to legalize instruction: %1:_(s8) = G_FPTOUI_SAT %0:_(s32) (in function: fcvt_wu_s_sat_i8) warning: Instruction selection used fallback path for fcvt_wu_s_sat_i8
| Input | Function | Config |
|---|---|---|
| float-convert.ll | fcvt_wu_s_sat_i8 | -mtriple=riscv32 -mattr=+f -verify-machineinstrs -target-abi=ilp32f |
| float-convert.ll | fcvt_wu_s_sat_i8 | -mtriple=riscv32 -verify-machineinstrs |
| float-convert.ll | fcvt_wu_s_sat_i8 | -mtriple=riscv64 -mattr=+f -verify-machineinstrs -target-abi=lp64f |
| float-convert.ll | fcvt_wu_s_sat_i8 | -mtriple=riscv64 -verify-machineinstrs |
| float-convert.0a11f09312.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv32 -mattr=+f -verify-machineinstrs -target-abi=ilp32f |
| float-convert.25f4d3edc4.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv32 -mattr=+zfinx -verify-machineinstrs -target-abi=ilp32 |
| float-convert.46e7233f1b.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv64 -mattr=+f -verify-machineinstrs -target-abi=lp64f |
| float-convert.55b8c23226.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv64 -verify-machineinstrs |
| float-convert.59cfea19b9.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv32 -verify-machineinstrs |
| float-convert.859ce13f18.ll (mutant of float-convert.ll) | fcvt_wu_s_sat_i8 | -mtriple=riscv64 -mattr=+zfinx -verify-machineinstrs -target-abi=lp64 |
Generated 2026-10-15 08:05 UTC.