| Issue |
64735
|
| Summary |
llvm-mca reporting error on valid x86 assembly.
|
| Labels |
bug,
tools:llvm-mca
|
| Assignees |
|
| Reporter |
hiraditya
|
```asm
h:
push r14
push rbx
push rax
mov r14, qword ptr [rdi]
cmp r14, qword ptr [rdi + 8]
je .LBB2_3
mov rbx, rdi
.LBB2_2:
mov edi, dword ptr [r14]
call f(int)@PLT
add r14, 4
cmp r14, qword ptr [rbx + 8]
jne .LBB2_2
.LBB2_3:
add rsp, 8
pop rbx
pop r14
ret
```
$ ./build/bin/llvm-mca -mtriple x86_64-unknown-linux-gnu -iterations=20 a.s
```sh
a.s:5:28: error: unexpected token in argument list
mov r14, qword ptr [rdi]
^
a.s:6:28: error: unexpected token in argument list
cmp r14, qword ptr [rdi + 8]
^
a.s:8:9: error: unknown use of instruction mnemonic without a size suffix
mov rbx, rdi
^
a.s:10:28: error: unexpected token in argument list
mov edi, dword ptr [r14]
^
a.s:11:19: error: expected register here
call f(int)@PLT
^
a.s:12:9: error: unknown use of instruction mnemonic without a size suffix
add r14, 4
^
a.s:13:28: error: unexpected token in argument list
cmp r14, qword ptr [rbx + 8]
^
a.s:16:9: error: unknown use of instruction mnemonic without a size suffix
add rsp, 8
^
a.s:1:1: error: symbol 'h' is already defined
h:
^
a.s:5:28: error: unexpected token in argument list
mov r14, qword ptr [rdi]
^
a.s:6:28: error: unexpected token in argument list
cmp r14, qword ptr [rdi + 8]
^
a.s:8:9: error: unknown use of instruction mnemonic without a size suffix
mov rbx, rdi
^
a.s:9:1: error: symbol '.LBB2_2' is already defined
.LBB2_2:
^
a.s:10:28: error: unexpected token in argument list
mov edi, dword ptr [r14]
^
a.s:11:19: error: expected register here
call f(int)@PLT
^
a.s:12:9: error: unknown use of instruction mnemonic without a size suffix
add r14, 4
^
a.s:13:28: error: unexpected token in argument list
cmp r14, qword ptr [rbx + 8]
^
a.s:15:1: error: symbol '.LBB2_3' is already defined
.LBB2_3:
^
a.s:16:9: error: unknown use of instruction mnemonic without a size suffix
add rsp, 8
^
```
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