fallback: translate: extractelement <vscale x 16 x i8>

Run:main-bc8218b282-20261015-074651
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 bc8218b282
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):

InputFunctionConfig
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.