| Issue |
114121
|
| Summary |
clang 18 fails tail call
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
hjl-tools
|
```
[hjl@gnu-tgl-3 pr14907]$ cat s.c
extern int baz (long c1);
int
foo (short c1)
{
return baz (c1);
}
[hjl@gnu-tgl-3 pr14907]$ clang -S -O2 s.c
[hjl@gnu-tgl-3 pr14907]$ cat s.s
.text
.file "s.c"
.globl foo # -- Begin function foo
.p2align 4, 0x90
.type foo,@function
foo: # @foo
.cfi_startproc
# %bb.0:
movslq %edi, %rdi
jmp baz # TAILCALL
.Lfunc_end0:
.size foo, .Lfunc_end0-foo
.cfi_endproc
# -- End function
.ident "clang version 18.1.8 (Fedora 18.1.8-1.fc40)"
.section ".note.GNU-stack","",@progbits
.addrsig
[hjl@gnu-tgl-3 pr14907]$
``
"movslq %edi, %rdi" should be "movswq %di, %rdi"
![]()
_______________________________________________
llvm-bugs mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-bugs
