| Run: | explore-04ca53e65f-20261014-114124 |
| Kind: | fallback |
| Category: | legalize: G_LSHR <8 x s8> |
| Occurrences: | 8 in 4 configs, 4 test files |
| Snippet from: | rvp-simd-64.ll @test_psrli_b 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) |
define <8 x i8> @test_psrli_b(<8 x i8> %a) {
%res = lshr <8 x i8> %a, splat (i8 2)
ret <8 x i8> %res
}
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 -
remark: <unknown>:0:0: unable to legalize instruction: %3:_(<8 x s8>) = G_LSHR %0:_, %1:_(<8 x s8>) (in function: test_psrli_b) warning: Instruction selection used fallback path for test_psrli_b
| Input | Function | Config |
|---|---|---|
| rvp-simd-64.ll | test_psrli_b | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-simd-64.ll | test_psrl_bs | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-simd-64.ll | test_psrl_bs_mask | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-simd-64.ll | test_pudiv_mulhu_b | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| mem.3d96152d8b.ll (mutant of mem.ll) | sw | -mtriple=riscv32 -verify-machineinstrs |
| mem64.9f562570cd.ll (mutant of mem64.ll) | sh | -mtriple=riscv64 -verify-machineinstrs |
| rv64zbb.47d6c9aecb.ll (mutant of rv64zbb.ll) | sub_if_uge_C_swapped_nsw_i7 | -mtriple=riscv64 -mattr=+zbb -verify-machineinstrs |
| rv64zbb.d05f22ebdc.ll (mutant of rv64zbb.ll) | sub_if_uge_C_swapped_nsw_i7 | -mtriple=riscv64 -verify-machineinstrs |
Generated 2026-10-15 08:05 UTC.