File: undef-suggest-extern-c.s

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-20
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,436 kB
  • sloc: cpp: 5,593,990; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (19 lines) | stat: -rw-r--r-- 738 bytes parent folder | download | duplicates (24) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o

## The reference is mangled while the definition is not, suggest a missing
## extern "C".
# RUN: echo 'call _Z3fooi' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
# RUN: not ld.lld %t.o %t1.o -o /dev/null 2>&1 | FileCheck %s

# CHECK:      error: undefined symbol: foo(int)
# CHECK-NEXT: >>> referenced by {{.*}}
# CHECK-NEXT: >>> did you mean: extern "C" foo

## Don't suggest for nested names like F::foo() and foo::foo().
# RUN: echo 'call _ZN1F3fooEv; call _ZN3fooC1Ev' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
# RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck /dev/null --implicit-check-not='did you mean'

.globl _start, foo
_start:
foo: