| Run: | explore-bc8218b282-20261015-075519 |
| Kind: | fallback |
| Category: | legalize: G_FCANONICALIZE s32 |
| Occurrences: | 23 in 9 configs, 2 test files |
| Snippet from: | fp-fcanonicalize.ll @fcanonicalize_f32 via llvm-extract |
| Config: | --mtriple=riscv32 |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
define float @fcanonicalize_f32(float %x) {
%z = call nnan float @llvm.canonicalize.f32(float %x)
ret float %z
}
; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.canonicalize.f32(float) #0
attributes #0 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
llc --mtriple=riscv32 -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc --mtriple=riscv32 -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to legalize instruction: %1:_(s32) = nnan G_FCANONICALIZE %0:_ (in function: fcanonicalize_f32) warning: Instruction selection used fallback path for fcanonicalize_f32
| Input | Function | Config |
|---|---|---|
| float-arith.ll | fmsub_s | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.ll | fnmadd_s | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.ll | fnmadd_s_2 | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.ll | fnmsub_s | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.ll | fnmsub_s_2 | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.ll | fmsub_s | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.ll | fnmadd_s | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.ll | fnmadd_s_2 | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.ll | fnmsub_s | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.ll | fnmsub_s_2 | -mtriple=riscv64 -verify-machineinstrs |
| fp-fcanonicalize.ll | fcanonicalize_f32 | --mtriple=riscv32 |
| fp-fcanonicalize.ll | fcanonicalize_f32 | --mtriple=riscv64 |
| fp-fcanonicalize.ll | fcanonicalize_f32 | -mtriple=riscv32 -mattr=+zfinx -verify-machineinstrs |
| fp-fcanonicalize.ll | fcanonicalize_f32 | -mtriple=riscv32 -mattr=+zhinx -target-abi=ilp32 -verify-machineinstrs |
| fp-fcanonicalize.ll | fcanonicalize_f32 | -mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs |
| fp-fcanonicalize.ll | fcanonicalize_f32 | -mtriple=riscv64 -mattr=+zfinx -verify-machineinstrs |
| fp-fcanonicalize.ll | fcanonicalize_f32 | -mtriple=riscv64 -mattr=+zhinx -verify-machineinstrs |
| float-arith.5ae945b5df.ll (mutant of float-arith.ll) | fnmsub_s | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.77e632ab4d.ll (mutant of float-arith.ll) | fnmadd_s | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.936e4769a2.ll (mutant of float-arith.ll) | fnmsub_s_2 | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.b1a3b83c36.ll (mutant of float-arith.ll) | fnmadd_s | -mtriple=riscv64 -verify-machineinstrs |
| float-arith.b4a0cccb2f.ll (mutant of float-arith.ll) | fnmsub_s_2 | -mtriple=riscv32 -verify-machineinstrs |
| float-arith.f3fceb9032.ll (mutant of float-arith.ll) | fnmsub_s | -mtriple=riscv64 -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.