llvm-project/clang/test/CodeGen/2009-02-13-zerosize-union-field.c
Nikita Popov 39db5e1ed8 [CodeGen] Convert tests to opaque pointers (NFC)
Conversion performed using the script at:
https://gist.github.com/nikic/98357b71fd67756b0f064c9517b62a34

These are only tests where no manual fixup was required.
2022-10-07 14:22:00 +02:00

17 lines
583 B
C

// RUN: %clang_cc1 %s -no-enable-noundef-analysis -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(void) {
// CHECK: @.str, i32 0
printf("%ld\n", sizeof(a));
// CHECK: @.str, i32 1
printf("%ld\n", __alignof__(a));
// CHECK: @.str, i32 4
printf("%ld\n", sizeof(b));
// CHECK: @.str, i32 4
printf("%ld\n", __alignof__(b));
}