File: alignment-of-derived-class.cpp

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-12
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,496,180 kB
  • sloc: cpp: 5,593,972; ansic: 986,872; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,538; xml: 953; cs: 573; fortran: 567
file content (41 lines) | stat: -rw-r--r-- 1,051 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
 
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
// expected-no-diagnostics

// Test that the alignment of a empty direct base class is correctly
// inherited by the derived class.

struct A {
} __attribute__ ((aligned(16)));

static_assert(__alignof(A) == 16, "A should be aligned to 16 bytes");

struct B1 : public A {
};

static_assert(__alignof(B1) == 16, "B1 should be aligned to 16 bytes");

struct B2 : public A {
} __attribute__ ((aligned(2)));

static_assert(__alignof(B2) == 16, "B2 should be aligned to 16 bytes");

struct B3 : public A {
} __attribute__ ((aligned(4)));

static_assert(__alignof(B3) == 16, "B3 should be aligned to 16 bytes");

struct B4 : public A {
} __attribute__ ((aligned(8)));

static_assert(__alignof(B4) == 16, "B4 should be aligned to 16 bytes");

struct B5 : public A {
} __attribute__ ((aligned(16)));

static_assert(__alignof(B5) == 16, "B5 should be aligned to 16 bytes");

struct B6 : public A {
} __attribute__ ((aligned(32)));

static_assert(__alignof(B6) == 32, "B6 should be aligned to 32 bytes");