fallback: translate: mul <vscale x 1 x i32>

Run:explore-bc8218b282-20261015-075519
Kind:fallback
Category:translate: mul <vscale x 1 x i32>
Occurrences:7 in 1 configs, 1 test files
Snippet from:vmadd-reassociate.ll @vmadd_vscale_no_chain via llvm-extract
Config:-mtriple=riscv64 -mattr=+m,+v
Local check:reproduces at bc8218b282
Compiler Explorer:not uploaded (over --godbolt-limit or disabled)

Snippet:

define <vscale x 1 x i32> @vmadd_vscale_no_chain(<vscale x 1 x i32> %m00, <vscale x 1 x i32> %m01) {
entry:
  %mul = mul <vscale x 1 x i32> %m00, %m01
  %add = add <vscale x 1 x i32> %mul, splat (i32 32)
  ret <vscale x 1 x i32> %add
}

Reproduce:

llc -mtriple=riscv64 -mattr=+m,+v -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv64 -mattr=+m,+v -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to translate instruction: mul: '  %mul = mul <vscale x 1 x i32> %m00, %m01' (in function: vmadd_vscale_no_chain)
warning: Instruction selection used fallback path for vmadd_vscale_no_chain

Occurrences (7):

InputFunctionConfig
vmadd-reassociate.llvmadd_vscale_no_chain-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.llvmadd_vscale-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.llvmadd_vscale_long-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.041c1e1775.ll (mutant of vmadd-reassociate.ll)vmadd_vscale_no_chain-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.527b693a7d.ll (mutant of vmadd-reassociate.ll)vmadd_vscale_no_chain-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.527b693a7d.ll (mutant of vmadd-reassociate.ll)vmadd_vscale-mtriple=riscv64 -mattr=+m,+v
vmadd-reassociate.ee8e58a6c9.ll (mutant of vmadd-reassociate.ll)vmadd_vscale_long-mtriple=riscv64 -mattr=+m,+v

Generated 2026-10-15 08:05 UTC.