| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s |
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| 2 | |
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| 3 | // Simple casts. |
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| 4 | void test0(char *P) { |
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| 5 | char *a; short *b; int *c; |
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| 6 | |
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| 7 | a = (char*) P; |
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| 8 | a = static_cast<char*>(P); |
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| 9 | a = reinterpret_cast<char*>(P); |
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| 10 | typedef char *CharPtr; |
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| 11 | a = CharPtr(P); |
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| 12 | |
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| 13 | b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}} |
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| 14 | b = reinterpret_cast<short*>(P); |
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| 15 | typedef short *ShortPtr; |
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| 16 | b = ShortPtr(P); // expected-warning {{cast from 'char *' to 'ShortPtr' (aka 'short *') increases required alignment from 1 to 2}} |
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| 17 | |
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| 18 | c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}} |
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| 19 | c = reinterpret_cast<int*>(P); |
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| 20 | typedef int *IntPtr; |
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| 21 | c = IntPtr(P); // expected-warning {{cast from 'char *' to 'IntPtr' (aka 'int *') increases required alignment from 1 to 4}} |
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| 22 | } |
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| 23 | |
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| 24 | // Casts from void* are a special case. |
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| 25 | void test1(void *P) { |
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| 26 | char *a; short *b; int *c; |
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| 27 | |
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| 28 | a = (char*) P; |
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| 29 | a = static_cast<char*>(P); |
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| 30 | a = reinterpret_cast<char*>(P); |
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| 31 | typedef char *CharPtr; |
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| 32 | a = CharPtr(P); |
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| 33 | |
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| 34 | b = (short*) P; |
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| 35 | b = static_cast<short*>(P); |
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| 36 | b = reinterpret_cast<short*>(P); |
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| 37 | typedef short *ShortPtr; |
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| 38 | b = ShortPtr(P); |
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| 39 | |
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| 40 | c = (int*) P; |
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| 41 | c = static_cast<int*>(P); |
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| 42 | c = reinterpret_cast<int*>(P); |
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| 43 | typedef int *IntPtr; |
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| 44 | c = IntPtr(P); |
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| 45 | } |
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| 46 | |
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