fallback: legalize: G_EXTRACT s32,s136
| Run: | main-04ca53e65f-20261014-105623 |
| Kind: | fallback |
| Category: | legalize: G_EXTRACT s32,s136 |
| Occurrences: | 4 in 1 configs, 1 test files |
| Snippet from: | stack-slot-size.ll @caller129 via llvm-extract |
| Config: | -mtriple=riscv32 -verify-machineinstrs |
| Local check: | reproduces at 04ca53e65f |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
declare void @callee129(i129)
; Function Attrs: nounwind
define i32 @caller129() #0 {
%1 = alloca i32, align 4
store i32 42, ptr %1, align 4
call void @callee129(i129 0)
%2 = load i32, ptr %1, align 4
ret i32 %2
}
attributes #0 = { nounwind }
Reproduce:
llc -mtriple=riscv32 -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -verify-machineinstrs -global-isel=0 snippet.ll -o -
Local llc output:
remark: <unknown>:0:0: unable to legalize instruction: %9:_(s32) = G_EXTRACT %8:_(s136), 0 (in function: caller129)
warning: Instruction selection used fallback path for caller129
Occurrences (4):
| Input | Function | Config |
|---|
| stack-slot-size.ll | caller129 | -mtriple=riscv32 -verify-machineinstrs |
| stack-slot-size.187ef6cb23.ll (mutant of stack-slot-size.ll) | caller129 | -mtriple=riscv32 -verify-machineinstrs |
| stack-slot-size.3a2058b92a.ll (mutant of stack-slot-size.ll) | caller129 | -mtriple=riscv32 -verify-machineinstrs |
| stack-slot-size.c22217f38b.ll (mutant of stack-slot-size.ll) | caller129 | -mtriple=riscv32 -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.