| Run: | explore-bc8218b282-20261015-075519 |
| Kind: | fallback |
| Category: | translate: frem bfloat NEW |
| Occurrences: | 12 in 12 configs, 2 test files |
| Snippet from: | half-zfa-fli.91bfdf03e7.ll (mutant of half-zfa-fli.ll) @loadfpimm3 via llvm-extract + llvm-reduce |
| Config: | -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | https://godbolt.org/z/anK5vrPKa (llc-assertions-trunk, checked 2026-10-15 08:05 UTC): G reproduces |
define bfloat @loadfpimm3() {
%B = frem bfloat 0.000000e+00, 0.000000e+00
ret bfloat %B
}
| Pane | Options | Exit | Insts | stderr |
|---|---|---|---|---|
| GlobalISel | -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* | 0 | 4 | remark: <unknown>:0:0: unable to translate instruction: frem: ' %B = frem bfloat 0.000000e+00, 0.000000e+00' (in function: loadfpimm3) warning: Instruction selection used fallback path for loadfpimm3 |
| SelectionDAG (control) | -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh -global-isel=0 | 0 | 4 | - |
llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to translate instruction: frem: ' %B = frem bfloat 0.000000e+00, 0.000000e+00' (in function: loadfpimm3) warning: Instruction selection used fallback path for loadfpimm3
| Input | Function | Config |
|---|---|---|
| half-zfa-fli.91bfdf03e7.ll (mutant of half-zfa-fli.ll) | loadfpimm3 | -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfh |
| half-zfa-fli.bee6c5dca2.ll (mutant of half-zfa-fli.ll) | loadfpimm3 | -mtriple=riscv32 -target-abi ilp32f -mattr=+zfa,+zfhmin |
| half-zfa-fli.d8d5884b30.ll (mutant of half-zfa-fli.ll) | loadfpimm3 | -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfh |
| half-zfa-fli.f47add573c.ll (mutant of half-zfa-fli.ll) | loadfpimm3 | -mtriple=riscv64 -target-abi lp64f -mattr=+zfa,+zfhmin |
| shadowcallstack.0560cc8e36.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv32 -verify-machineinstrs -mattr=+zcmp,+zimop |
| shadowcallstack.15b82c2e78.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv64 -mattr=+zimop -verify-machineinstrs |
| shadowcallstack.17d4e38e45.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv64 -verify-machineinstrs |
| shadowcallstack.5dac0bd486.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv64 -verify-machineinstrs -mattr=+zcmp,+zimop,+zcmop |
| shadowcallstack.67934c334f.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv32 -verify-machineinstrs |
| shadowcallstack.809ebb5068.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv32 -mattr=+zimop,+zcmop -M no-aliases -verify-machineinstrs |
| shadowcallstack.a5a07860c4.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv64 -mattr=+zimop,+zcmop -M no-aliases -verify-machineinstrs |
| shadowcallstack.be5240ba19.ll (mutant of shadowcallstack.ll) | f3 | -mtriple=riscv32 -mattr=+zimop -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.