| Run: | explore-04ca53e65f-20261014-114124 |
| Kind: | fallback |
| Category: | legalize: G_EXTRACT_VECTOR_ELT s16,<2 x s16>,s64 |
| Occurrences: | 6 in 2 configs, 2 test files |
| Snippet from: | rvp-simd-32.ll @test_extract_vector_16 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 i16 @test_extract_vector_16(<2 x i16> %a) {
%extracted = extractelement <2 x i16> %a, i32 0
ret i16 %extracted
}
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:_(s16) = G_EXTRACT_VECTOR_ELT %0:_(<2 x s16>), %4:_(s64) (in function: test_extract_vector_16) warning: Instruction selection used fallback path for test_extract_vector_16
| Input | Function | Config |
|---|---|---|
| rvp-simd-32.ll | test_extract_vector_16 | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-simd-32.ll | test_extract_vector_16_elem1 | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb -verify-machineinstrs |
| rvp-srl-bitcast-bv.ll | srl_bitcast_buildvector_extract_last | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb |
| rvp-srl-bitcast-bv.5c239502d5.ll (mutant of rvp-srl-bitcast-bv.ll) | srl_bitcast_buildvector_extract_last | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb |
| rvp-srl-bitcast-bv.e4bb7b26b4.ll (mutant of rvp-srl-bitcast-bv.ll) | srl_bitcast_buildvector_extract_last | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb |
| rvp-srl-bitcast-bv.fd2ae7a565.ll (mutant of rvp-srl-bitcast-bv.ll) | srl_bitcast_buildvector_extract_last | -mtriple=riscv64 -mattr=+experimental-p,+m,+zbb |
Generated 2026-10-15 08:05 UTC.