// 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)); }