File: 2009-02-13-zerosize-union-field.c

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 (14 lines) | stat: -rw-r--r-- 503 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 1} | count 1
// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 4} | count 2
// XFAIL: powerpc
//  Every printf has 'i32 0' for the GEP of the string; no point counting those.
typedef unsigned int Foo __attribute__((aligned(32)));
typedef union{Foo:0;}a;
typedef union{int x; Foo:0;}b;
extern int printf(const char*, ...);
main() {
  printf("%ld\n", sizeof(a));
  printf("%ld\n", __alignof__(a));
  printf("%ld\n", sizeof(b));
  printf("%ld\n", __alignof__(b));
}