fallback: translate: sdiv <vscale x 2 x i32>
| Run: | main-bc8218b282-20261015-074651 |
| Kind: | fallback |
| Category: | translate: sdiv <vscale x 2 x i32> NEW |
| Occurrences: | 2 in 2 configs, 1 test files |
| Snippet from: | and-add-lsr.995eb91d5a.ll (mutant of and-add-lsr.ll) @and_add_lsr_vec2 via llvm-extract |
| Config: | -mtriple=riscv64 -verify-machineinstrs -mattr=+v |
| Local check: | reproduces at bc8218b282 |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
@G.2 = external global i128
define <vscale x 2 x i32> @and_add_lsr_vec2(<vscale x 2 x i32> %x, <vscale x 2 x i32> %y) {
%LGV = load i128, ptr @G.2, align 4
%1 = add <vscale x 2 x i32> %x, splat (i32 4095)
%B = sdiv <vscale x 2 x i32> %1, zeroinitializer
%C = icmp ult i128 18446744073709551616, %LGV
store i1 %C, ptr poison, align 1
ret <vscale x 2 x i32> %B
}
Reproduce:
llc -mtriple=riscv64 -verify-machineinstrs -mattr=+v -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv64 -verify-machineinstrs -mattr=+v -global-isel=0 snippet.ll -o -
Local llc output:
remark: <unknown>:0:0: unable to translate instruction: sdiv: ' %B = sdiv <vscale x 2 x i32> %1, zeroinitializer' (in function: and_add_lsr_vec2)
warning: Instruction selection used fallback path for and_add_lsr_vec2
Occurrences (2):
| Input | Function | Config |
|---|
| and-add-lsr.995eb91d5a.ll (mutant of and-add-lsr.ll) | and_add_lsr_vec2 | -mtriple=riscv64 -verify-machineinstrs -mattr=+v |
| and-add-lsr.b1740a1820.ll (mutant of and-add-lsr.ll) | and_add_lsr_vec2 | -mtriple=riscv32 -verify-machineinstrs -mattr=+v |
Generated 2026-10-15 08:05 UTC.