fallback: legalize: G_FEXP10 <3 x s16>
| Run: | main-bc8218b282-20261015-074651 |
| Kind: | fallback |
| Category: | legalize: G_FEXP10 <3 x s16> |
| Occurrences: | 4 in 2 configs, 1 test files |
| Snippet from: | llvm.exp10.ll @exp10_v3f16 via llvm-extract |
| Config: | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
define <3 x half> @exp10_v3f16(<3 x half> %x) {
%r = call <3 x half> @llvm.exp10.v3f16(<3 x half> %x)
ret <3 x half> %r
}
; Function Attrs: nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none)
declare <3 x half> @llvm.exp10.v3f16(<3 x half>) #0
attributes #0 = { nocallback nocreateundeforpoison nofree nosync nounwind speculatable willreturn memory(none) }
Reproduce:
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 -
Local llc output:
remark: <unknown>:0:0: unable to legalize instruction: %3:_(<3 x s16>) = G_FEXP10 %0:_ (in function: exp10_v3f16)
warning: Instruction selection used fallback path for exp10_v3f16
Occurrences (4):
| Input | Function | Config |
|---|
| llvm.exp10.ll | exp10_v3f16 | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d |
| llvm.exp10.ll | exp10_v3f16 | -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d |
| llvm.exp10.004726ed26.ll (mutant of llvm.exp10.ll) | exp10_v3f16 | -mtriple=riscv64 -mattr=+d -verify-machineinstrs -target-abi=lp64d |
| llvm.exp10.0f6bdbd877.ll (mutant of llvm.exp10.ll) | exp10_v3f16 | -mtriple=riscv32 -mattr=+d -verify-machineinstrs -target-abi=ilp32d |
Generated 2026-10-15 08:05 UTC.