fallback: translate: extractelement <vscale x 16 x i8>
| Run: | main-04ca53e65f-20261014-105623 |
| Kind: | fallback |
| Category: | translate: extractelement <vscale x 16 x i8> NEW |
| Occurrences: | 2 in 2 configs, 1 test files |
| Snippet from: | nontemporal-scalable.213dc4fbac.ll (mutant of nontemporal-scalable.ll) @test_nontemporal_P1_store_nxv16i8 via llvm-extract |
| Config: | -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v |
| Local check: | reproduces at 04ca53e65f |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
Snippet:
@G.10 = external global i128
define void @test_nontemporal_P1_store_nxv16i8(ptr %p, <vscale x 16 x i8> %v) {
%A = alloca i8, align 1
store i8 poison, ptr %A, align 1
%LGV1 = load i128, ptr @G.10, align 4
store <vscale x 16 x i8> %v, ptr %p, align 16, !nontemporal !0, !riscv-nontemporal-domain !1
%E = extractelement <vscale x 16 x i8> %v, i128 %LGV1
store i8 %E, ptr %A, align 1
ret void
}
!0 = !{i32 1}
!1 = !{i32 2}
Reproduce:
llc -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v -global-isel=0 snippet.ll -o -
Local llc output:
remark: <unknown>:0:0: unable to translate instruction: extractelement: ' %E = extractelement <vscale x 16 x i8> %v, i128 %LGV1' (in function: test_nontemporal_P1_store_nxv16i8)
warning: Instruction selection used fallback path for test_nontemporal_P1_store_nxv16i8
Occurrences (2):
| Input | Function | Config |
|---|
| nontemporal-scalable.213dc4fbac.ll (mutant of nontemporal-scalable.ll) | test_nontemporal_P1_store_nxv16i8 | -mtriple=riscv32 -mattr=+zihintntl,+f,+d,+zfh,+v |
| nontemporal-scalable.ced224cfad.ll (mutant of nontemporal-scalable.ll) | test_nontemporal_P1_store_nxv16i8 | -mtriple=riscv64 -mattr=+zihintntl,+f,+d,+zfh,+v |
Generated 2026-10-15 08:05 UTC.