| Run: | explore-bc8218b282-20261015-075519 |
| Kind: | fallback |
| Category: | legalize: G_FABS s16 |
| Occurrences: | 57 in 13 configs, 2 test files |
| Snippet from: | half-bitmanip-dagcombines.ll @fabs via llvm-extract |
| Config: | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
; Function Attrs: nounwind
define half @fabs(half %a) #0 {
%1 = call half @llvm.fabs.f16(half %a)
ret half %1
}
; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
declare half @llvm.fabs.f16(half) #1
attributes #0 = { nounwind }
attributes #1 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
llc -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to legalize instruction: %2:_(s16) = G_FABS %0:_ (in function: fabs) warning: Instruction selection used fallback path for fabs
| Input | Function | Config |
|---|---|---|
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv32 -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv64 -target-abi lp64 -verify-machineinstrs |
| half-bitmanip-dagcombines.ll | fabs | -mtriple=riscv64 -verify-machineinstrs |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv32 -mattr=+d -mattr=+zfhmin -verify-machineinstrs -target-abi ilp32d |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv32 -mattr=+zfhmin -verify-machineinstrs -target-abi ilp32f |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv32 -verify-machineinstrs |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv64 -mattr=+d -mattr=+zfhmin -verify-machineinstrs -target-abi lp64d |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv64 -mattr=+zfhmin -verify-machineinstrs -target-abi lp64f |
| half-intrinsics.ll | fabs_f16 | -mtriple=riscv64 -verify-machineinstrs |
| half-bitmanip-dagcombines.0024742131.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.018fb2221b.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -verify-machineinstrs |
| half-bitmanip-dagcombines.08104ab34d.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.1b81a9cf5e.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.2b17c324e0.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.2d04e239f4.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -verify-machineinstrs |
| half-bitmanip-dagcombines.3e7bed5f5f.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -verify-machineinstrs |
| half-bitmanip-dagcombines.416d2b0af0.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.43a6b6dde7.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.462a5f48ac.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.59e9ba8b27.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.640eec85cf.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -verify-machineinstrs |
| half-bitmanip-dagcombines.64930979bd.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -verify-machineinstrs |
| half-bitmanip-dagcombines.6cc1b90d85.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.7750562019.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.8122249e4f.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.89787d265f.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.91f15b319a.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.91fe0994d8.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.946fe2d41b.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -verify-machineinstrs |
| half-bitmanip-dagcombines.959f7bdd15.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.ae4427445a.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -verify-machineinstrs |
| half-bitmanip-dagcombines.b2ccdfcb82.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -verify-machineinstrs |
| half-bitmanip-dagcombines.bc823fba6e.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -verify-machineinstrs |
| half-bitmanip-dagcombines.c0a75c30fa.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.cf52fab09c.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.d036bb0f15.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zhinx -verify-machineinstrs |
| half-bitmanip-dagcombines.d3e12e9615.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.dba70bd1c6.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv32 -target-abi ilp32 -mattr=+zfhmin -verify-machineinstrs |
| half-bitmanip-dagcombines.dbdbd0b9c7.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.dd58684ad1.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -verify-machineinstrs |
| half-bitmanip-dagcombines.f238abefb5.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -verify-machineinstrs |
| half-bitmanip-dagcombines.f6d4919ade.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinxmin -verify-machineinstrs |
| half-bitmanip-dagcombines.f80e98e360.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -verify-machineinstrs |
| half-bitmanip-dagcombines.ff422f10a7.ll (mutant of half-bitmanip-dagcombines.ll) | fabs | -mtriple=riscv64 -target-abi lp64 -mattr=+zhinx -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.