| Run: | explore-bc8218b282-20261015-075519 |
| Kind: | fallback |
| Category: | legalize: G_SITOFP s128,s64 |
| Occurrences: | 10 in 10 configs, 2 test files |
| Snippet from: | calling-conv-ilp32e.ll @caller_mixed_scalar_libcalls via llvm-extract |
| Config: | -mtriple=riscv32 -target-abi ilp32e -frame-pointer=all -verify-machineinstrs |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
define i32 @caller_mixed_scalar_libcalls(i64 %a) {
%1 = sitofp i64 %a to fp128
%2 = bitcast fp128 %1 to i128
%3 = trunc i128 %2 to i32
ret i32 %3
}
llc -mtriple=riscv32 -target-abi ilp32e -frame-pointer=all -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc -mtriple=riscv32 -target-abi ilp32e -frame-pointer=all -verify-machineinstrs -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to legalize instruction: %3:_(s128) = G_SITOFP %0:_(s64) (in function: caller_mixed_scalar_libcalls) warning: Instruction selection used fallback path for caller_mixed_scalar_libcalls
| Input | Function | Config |
|---|---|---|
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -mattr=+d -target-abi ilp32d -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -mattr=+f -target-abi ilp32f -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+d -target-abi ilp32d |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+f -target-abi ilp32f |
| calling-conv-ilp32e.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -target-abi ilp32e -frame-pointer=all -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -target-abi ilp32e -mattr=+save-restore -frame-pointer=all -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -target-abi ilp32e -mattr=+save-restore -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_mixed_scalar_libcalls | -mtriple=riscv32 -target-abi ilp32e -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.