fallback: legalize: G_FADD <2 x s32>

Run:main-04ca53e65f-20261014-105623
Kind:fallback
Category:legalize: G_FADD <2 x s32>
Occurrences:1 in 1 configs, 1 test files
Snippet from:calling-conv-vector-float.ll @callee_v2f32 via llvm-extract
Config:-mtriple=riscv64 -mattr=+f -target-abi=lp64f -verify-machineinstrs
Local check:reproduces at 04ca53e65f
Compiler Explorer:not uploaded (over --godbolt-limit or disabled)

Snippet:

define <2 x float> @callee_v2f32(<2 x float> %x, <2 x float> %y) {
  %z = fadd <2 x float> %x, %y
  ret <2 x float> %z
}

Reproduce:

llc -mtriple=riscv64 -mattr=+f -target-abi=lp64f -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o -
llc -mtriple=riscv64 -mattr=+f -target-abi=lp64f -verify-machineinstrs -global-isel=0 snippet.ll -o -

Local llc output:

remark: <unknown>:0:0: unable to legalize instruction: %6:_(<2 x s32>) = G_FADD %0:_, %1:_ (in function: callee_v2f32)
warning: Instruction selection used fallback path for callee_v2f32

Occurrences (1):

InputFunctionConfig
calling-conv-vector-float.llcallee_v2f32-mtriple=riscv64 -mattr=+f -target-abi=lp64f -verify-machineinstrs

Generated 2026-10-15 08:05 UTC.