| Run: | main-04ca53e65f-20261014-105623 |
| Kind: | fallback |
| Category: | translate: call |
| Occurrences: | 133 in 32 configs, 16 test files |
| Snippet from: | inline-asm-bf-constraint-f.ll @constraint_f_bfloat via llvm-extract |
| Config: | -mtriple=riscv32 -mattr=+zfbfmin,+zfh -target-abi=ilp32 -verify-machineinstrs |
| Local check: | reproduces at 04ca53e65f |
| Compiler Explorer: | not uploaded (over --godbolt-limit or disabled) |
; Function Attrs: nounwind
define bfloat @constraint_f_bfloat(float %a) #0 {
%1 = tail call bfloat asm "fcvt.bf16.s $0, $1", "=f,f"(float %a)
ret bfloat %1
}
attributes #0 = { nounwind }
llc -mtriple=riscv32 -mattr=+zfbfmin,+zfh -target-abi=ilp32 -verify-machineinstrs -global-isel -global-isel-abort=2 -pass-remarks-missed=gisel.* snippet.ll -o - llc -mtriple=riscv32 -mattr=+zfbfmin,+zfh -target-abi=ilp32 -verify-machineinstrs -global-isel=0 snippet.ll -o -
remark: <unknown>:0:0: unable to translate instruction: call: ' %1 = tail call bfloat asm "fcvt.bf16.s $0, $1", "=f,f"(float %a)' (in function: constraint_f_bfloat) warning: Instruction selection used fallback path for constraint_f_bfloat
| Input | Function | Config |
|---|---|---|
| byval.ll | caller | -mtriple=riscv32 -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -mattr=+d -target-abi ilp32d -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -mattr=+f -target-abi ilp32f -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+d -target-abi ilp32d |
| calling-conv-ilp32-ilp32f-ilp32d-common.ll | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+f -target-abi ilp32f |
| calling-conv-ilp32e.ll | caller_large_struct | -mtriple=riscv32 -target-abi ilp32e -frame-pointer=all -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_large_struct | -mtriple=riscv32 -target-abi ilp32e -mattr=+save-restore -frame-pointer=all -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_large_struct | -mtriple=riscv32 -target-abi ilp32e -mattr=+save-restore -verify-machineinstrs |
| calling-conv-ilp32e.ll | caller_large_struct | -mtriple=riscv32 -target-abi ilp32e -verify-machineinstrs |
| calling-conv-lp64-lp64f-lp64d-common.ll | caller_large_struct | -mtriple=riscv64 -mattr=+d -target-abi lp64d -verify-machineinstrs |
| calling-conv-lp64-lp64f-lp64d-common.ll | caller_large_struct | -mtriple=riscv64 -mattr=+f -target-abi lp64f -verify-machineinstrs |
| calling-conv-lp64-lp64f-lp64d-common.ll | caller_large_struct | -mtriple=riscv64 -verify-machineinstrs |
| inline-asm-bf-constraint-f.ll | constraint_f_bfloat | -mtriple=riscv32 -mattr=+zfbfmin,+zfh -target-abi=ilp32 -verify-machineinstrs |
| inline-asm-bf-constraint-f.ll | constraint_cf_bfloat | -mtriple=riscv32 -mattr=+zfbfmin,+zfh -target-abi=ilp32 -verify-machineinstrs |
| inline-asm-bf-constraint-f.ll | constraint_f_bfloat | -mtriple=riscv64 -mattr=+zfbfmin,+zfh -target-abi=lp64f -verify-machineinstrs |
| inline-asm-bf-constraint-f.ll | constraint_cf_bfloat | -mtriple=riscv64 -mattr=+zfbfmin,+zfh -target-abi=lp64f -verify-machineinstrs |
| inline-asm-d-constraint-f.ll | constraint_gpr | -mtriple=riscv32 -mattr=+d -target-abi=ilp32 -verify-machineinstrs |
| inline-asm-s-constraint.ll | test | -mtriple=riscv32 -relocation-model=static |
| inline-asm-s-constraint.ll | test_label | -mtriple=riscv32 -relocation-model=static |
| inline-asm-s-constraint.ll | test | -mtriple=riscv64 -relocation-model=pic |
| inline-asm-s-constraint.ll | test_label | -mtriple=riscv64 -relocation-model=pic |
| inline-asm-v-constraint.ll | constraint_vr | -mtriple=riscv32 -mattr=+v -verify-machineinstrs |
| inline-asm-v-constraint.ll | constraint_vd | -mtriple=riscv32 -mattr=+v -verify-machineinstrs |
| inline-asm-v-constraint.ll | constraint_vm | -mtriple=riscv32 -mattr=+v -verify-machineinstrs |
| inline-asm-v-constraint.ll | constraint_vr | -mtriple=riscv64 -mattr=+v -verify-machineinstrs |
| inline-asm-v-constraint.ll | constraint_vd | -mtriple=riscv64 -mattr=+v -verify-machineinstrs |
| inline-asm-v-constraint.ll | constraint_vm | -mtriple=riscv64 -mattr=+v -verify-machineinstrs |
| inline-asm-xsfvcp.ll | test_reorder | -mtriple=riscv32 -mattr=+v,+xsfvcp -verify-machineinstrs |
| inline-asm-xsfvcp.ll | test_reorder | -mtriple=riscv64 -mattr=+v,+xsfvcp -verify-machineinstrs |
| inline-asm-zdinx-constraint-r.ll | constraint_double_abi_name | -mtriple=riscv32 -mattr=+zdinx -target-abi=ilp32 -verify-machineinstrs |
| inline-asm.ll | operand_block_address | -mtriple=riscv32 -verify-machineinstrs -no-integrated-as |
| inline-asm.ll | operand_block_address | -mtriple=riscv64 -verify-machineinstrs -no-integrated-as |
| tail-calls.ll | caller_byval | -code-model=large -mtriple=riscv32 -verify-machineinstrs |
| tail-calls.ll | caller_byval | -code-model=large -mtriple=riscv64 -verify-machineinstrs |
| tail-calls.ll | caller_byval | -mtriple=riscv32 -verify-machineinstrs |
| tail-calls.ll | caller_byval | -mtriple=riscv64 -verify-machineinstrs |
| tlsdesc-clobber-vector.ll | test_vector_reg_clobber | -mtriple=riscv32 -mattr=+v -relocation-model=pic -enable-tlsdesc |
| tlsdesc-clobber-vector.ll | test_vector_reg_clobber | -mtriple=riscv64 -mattr=+v -relocation-model=pic -enable-tlsdesc |
| byval.2ca340c986.ll (mutant of byval.ll) | caller | -mtriple=riscv32 -verify-machineinstrs |
| byval.aa8bdf05b2.ll (mutant of byval.ll) | caller | -mtriple=riscv32 -verify-machineinstrs |
| byval.c39297226a.ll (mutant of byval.ll) | caller | -mtriple=riscv32 -verify-machineinstrs |
| byval.ef4e581b00.ll (mutant of byval.ll) | caller | -mtriple=riscv32 -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.23d219e57b.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+d -target-abi ilp32d |
| calling-conv-ilp32-ilp32f-ilp32d-common.568ee22167.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all -mattr=+f -target-abi ilp32f |
| calling-conv-ilp32-ilp32f-ilp32d-common.58aea3abbd.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -mattr=+f -target-abi ilp32f -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.d145de0554.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -mattr=+d -target-abi ilp32d -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.dfb65b7f66.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs |
| calling-conv-ilp32-ilp32f-ilp32d-common.ec070735ba.ll (mutant of calling-conv-ilp32-ilp32f-ilp32d-common.ll) | caller_large_struct | -mtriple=riscv32 -verify-machineinstrs -frame-pointer=all |
Generated 2026-10-15 08:05 UTC.