fallback: legalize: G_EXTRACT_VECTOR_ELT s32,<2 x s32>,s64
| Run: | explore-04ca53e65f-20261014-114124 |
| Kind: | fallback |
| Category: | legalize: G_EXTRACT_VECTOR_ELT s32,<2 x s32>,s64 |
| Occurrences: | 8 in 7 configs, 2 test files |
| Snippet from: | rvp-simd-64.ll @test_extract_vector_32 via llvm-extract |
| Config: | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| Local check: | reproduces at 04ca53e65f |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
define i32 @test_extract_vector_32(<2 x i32> %a) {
%extracted = extractelement <2 x i32> %a, i32 0
ret i32 %extracted
}
Reproduce:
llc -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs -global-isel=0 snippet.ll -o -
Local llc output:
remark: <unknown>:0:0: unable to legalize instruction: %1:_(s32) = G_EXTRACT_VECTOR_ELT %0:_(<2 x s32>), %2:_(s64) (in function: test_extract_vector_32)
warning: Instruction selection used fallback path for test_extract_vector_32
Occurrences (8):
| Input | Function | Config |
|---|
| rvp-simd-64.ll | test_extract_vector_32 | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-simd-64.ll | test_extract_vector_32_elem1 | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| fp-fcanonicalize.118628e698.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | --mtriple=riscv64 --mattr=+d,-zfh |
| fp-fcanonicalize.2618247d85.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | -mtriple=riscv64 -mattr=+zfinx -verify-machineinstrs |
| fp-fcanonicalize.38ff79c14a.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | -mtriple=riscv64 -mattr=+zdinx -verify-machineinstrs |
| fp-fcanonicalize.4742b3806e.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | --mtriple=riscv64 --mattr=+d,+zfh |
| fp-fcanonicalize.5de1867197.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | -mtriple=riscv64 -mattr=+zhinx -verify-machineinstrs |
| fp-fcanonicalize.f4033dd9fb.ll (mutant of fp-fcanonicalize.ll) | fcanonicalize_v2f32 | --mtriple=riscv64 |
Generated 2026-10-15 08:05 UTC.