| Run: | explore-04ca53e65f-20261014-114124 |
| Kind: | fallback |
| Category: | legalize: G_FPTOSI_SAT s16,s64 |
| Occurrences: | 10 in 6 configs, 1 test files |
| Snippet from: | double-convert.ll @fcvt_w_s_sat_i16 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) |
; Function Attrs: nounwind
define signext i16 @fcvt_w_s_sat_i16(double %a) #0 {
start:
%0 = tail call i16 @llvm.fptosi.sat.i16.f64(double %a)
ret i16 %0
}
; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.fptosi.sat.i16.f64(double) #1
attributes #0 = { nounwind }
attributes #1 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
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 -
remark: <unknown>:0:0: unable to legalize instruction: %1:_(s16) = G_FPTOSI_SAT %0:_(s64) (in function: fcvt_w_s_sat_i16) warning: Instruction selection used fallback path for fcvt_w_s_sat_i16
| Input | Function | Config |
|---|---|---|
| double-convert.ll | fcvt_w_s_sat_i16 | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d |
| double-convert.ll | fcvt_w_s_sat_i16 | -mtriple=riscv32 -verify-machineinstrs |
| double-convert.ll | fcvt_w_s_sat_i16 | -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d |
| double-convert.ll | fcvt_w_s_sat_i16 | -mtriple=riscv64 -verify-machineinstrs |
| double-convert.331923b75d.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs -target-abi=lp64 |
| double-convert.4ba6158e73.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv32 -verify-machineinstrs |
| double-convert.76db642d92.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv64 -verify-machineinstrs |
| double-convert.9350b88fd8.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv32 -mattr=+zdinx -verify-machineinstrs -target-abi=ilp32 |
| double-convert.c8d2d2e124.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d |
| double-convert.da2ace0a8b.ll (mutant of double-convert.ll) | fcvt_w_s_sat_i16 | -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d |
Generated 2026-10-15 08:05 UTC.