1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
// RUN: %clang_cc1 %s -triple i686-apple-darwin -emit-llvm -o - | FileCheck %s
// 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*, ...);
int main() {
// CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 0
printf("%ld\n", sizeof(a));
// CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 1
printf("%ld\n", __alignof__(a));
// CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 4
printf("%ld\n", sizeof(b));
// CHECK: getelementptr inbounds ([5 x i8]* @.str, i32 0, i32 0), i32 4
printf("%ld\n", __alignof__(b));
}
|
