1 // RUN: %clang_cc1 %s -triple i686-apple-darwin -emit-llvm -o - | FileCheck %s 2 // Every printf has 'i32 0' for the GEP of the string; no point counting those. 3 typedef unsigned int Foo __attribute__((aligned(32))); 4 typedef union{Foo:0;}a; 5 typedef union{int x; Foo:0;}b; 6 extern int printf(const char*, ...); 7 int main() { 8 // CHECK: getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), i32 0 9 printf("%ld\n", sizeof(a)); 10 // CHECK: getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), i32 1 11 printf("%ld\n", __alignof__(a)); 12 // CHECK: getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), i32 4 13 printf("%ld\n", sizeof(b)); 14 // CHECK: getelementptr inbounds ([5 x i8], [5 x i8]* @.str, i32 0, i32 0), i32 4 15 printf("%ld\n", __alignof__(b)); 16 } 17
