File: varargs.cpp

package info (click to toggle)
llvm-2.7 2.7-6
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 59,992 kB
  • ctags: 49,499
  • sloc: cpp: 373,792; ansic: 16,885; sh: 12,614; asm: 6,809; ada: 3,083; ml: 2,942; python: 2,671; perl: 2,404; makefile: 1,691; pascal: 1,235; exp: 399; objc: 291; lisp: 184; csh: 117; xml: 38; f90: 36
file content (19 lines) | stat: -rw-r--r-- 425 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// RUN: %llvmgxx -S -emit-llvm %s -o - | FileCheck %s
// rdar://7309675
// PR4678

// test1 should be compmiled to be a varargs function in the IR even 
// though there is no way to do a va_begin.  Otherwise, the optimizer
// will warn about 'dropped arguments' at the call site.

// CHECK: define i32 @_Z5test1z(...)
int test1(...) {
  return -1;
}

// CHECK: call i32 (...)* @_Z5test1z(i32 0)
void test() {
  test1(0);
}