File: struct-union-BE.c

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (49 lines) | stat: -rw-r--r-- 1,289 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
// RUN: %clang_cc1 -triple mips-linux-gnu  -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS
// RUN: %clang_cc1 -triple mips64-linux-gnu  -emit-llvm %s -o - | FileCheck %s -check-prefix=MIPS64
// RUN: %clang_cc1 -triple armebv7-linux-gnueabihf -emit-llvm %s -o - | FileCheck %s -check-prefix=ARM

#include <stdarg.h>

extern void abort(void) __attribute__((noreturn));

struct tiny {
  char c;
};

union data {
  char c;
};

void fstr(int n, ...) {
  struct tiny x;
  va_list ap;
  va_start (ap,n);
  x = va_arg (ap, struct tiny);
  if (x.c !=  10)
    abort();
  va_end (ap);
// MIPS-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i32 3
// MIPS64-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i64 7
// ARM-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i32 3
}

void funi(int n, ...) {
  union data x;
  va_list ap;
  va_start (ap,n);
  x = va_arg (ap, union data);
  if (x.c !=  10)
    abort();
  va_end (ap);
// MIPS-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i32 3
// MIPS64-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i64 7
// ARM-NOT: %{{[0-9]+}} = getelementptr inbounds i8, ptr %argp.cur, i32 3
}

void foo(void) {
  struct tiny x[3];
  union data y;
  x[0].c = 10;
  fstr(1, x[0]);
  funi(1, y);
}