llvm/test/FrontendC/2009-02-13-zerosize-union-field.c
Dale Johannesen b463272fbb Testcase for llvm-gcc 64510.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64511 91177308-0d34-0410-b5e6-96231b3b80d8
2009-02-14 00:19:28 +00:00

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485 B
C

// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 1} | count 1
// RUN: %llvmgcc %s -m32 -S -o - | grep {i32 4} | count 2
// 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));
}