fallback: legalize: G_STORE <3 x s33>,p0

Run:main-bc8218b282-20261015-074651
Kind:fallback
Category:legalize: G_STORE <3 x s33>,p0
Occurrences:18 in 6 configs, 1 test files
Snippet from:srem-seteq-illegal-types.ll @test_srem_vec via llvm-extract
Config:-mtriple=riscv32
Local check:reproduces at bc8218b282
Compiler Explorer:not uploaded (over --godbolt-limit or disabled)

Snippet:

; Function Attrs: nounwind
define void @test_srem_vec(ptr %X) #0 {
  %ld = load <3 x i33>, ptr %X, align 16
  %srem = srem <3 x i33> %ld, <i33 6, i33 7, i33 -5>
  %cmp = icmp ne <3 x i33> %srem, <i33 0, i33 1, i33 2>
  %ext = sext <3 x i1> %cmp to <3 x i33>
  store <3 x i33> %ext, ptr %X, align 16
  ret void
}

attributes #0 = { nounwind }

Reproduce:

llc -mtriple=riscv32 -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv32 -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to legalize instruction: G_STORE %12:_(<3 x s33>), %0:_(p0) :: (store (<3 x s33>) into %ir.X, align 16) (in function: test_srem_vec)
warning: Instruction selection used fallback path for test_srem_vec

Occurrences (18):

InputFunctionConfig
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv32
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv32 -mattr=+m
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv32 -mattr=+m,+v
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv64
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv64 -mattr=+m
srem-seteq-illegal-types.lltest_srem_vec-mtriple=riscv64 -mattr=+m,+v
srem-seteq-illegal-types.00444d3c69.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32 -mattr=+m
srem-seteq-illegal-types.12422e8eed.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64 -mattr=+m,+v
srem-seteq-illegal-types.2932cd9041.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64 -mattr=+m,+v
srem-seteq-illegal-types.391fec695b.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64
srem-seteq-illegal-types.4472e4d6a1.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64 -mattr=+m
srem-seteq-illegal-types.519d74f4b2.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64 -mattr=+m
srem-seteq-illegal-types.54b5913d23.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32 -mattr=+m,+v
srem-seteq-illegal-types.5cea03927a.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32
srem-seteq-illegal-types.a768667847.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv64
srem-seteq-illegal-types.cf9c8ea4be.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32 -mattr=+m
srem-seteq-illegal-types.f6afc50bfe.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32 -mattr=+m,+v
srem-seteq-illegal-types.fe28f46bc6.ll (mutant of srem-seteq-illegal-types.ll)test_srem_vec-mtriple=riscv32

Generated 2026-10-15 08:05 UTC.