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author | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
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committer | Zancanaro; Carlo <czan8762@plang3.cs.usyd.edu.au> | 2012-09-24 09:58:17 +1000 |
commit | 222e2a7620e6520ffaf4fc4e69d79c18da31542e (patch) | |
tree | 7bfbc05bfa3b41c8f9d2e56d53a0bc3e310df239 /clang/test/SemaCXX/bitfield-layout.cpp | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/SemaCXX/bitfield-layout.cpp')
-rw-r--r-- | clang/test/SemaCXX/bitfield-layout.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/bitfield-layout.cpp b/clang/test/SemaCXX/bitfield-layout.cpp new file mode 100644 index 0000000..adecf55 --- /dev/null +++ b/clang/test/SemaCXX/bitfield-layout.cpp @@ -0,0 +1,30 @@ +// RUN: %clang_cc1 %s -fsyntax-only -verify -triple=x86_64-apple-darwin10 + +#define CHECK_SIZE(name, size) extern int name##1[sizeof(name) == size ? 1 : -1]; +#define CHECK_ALIGN(name, size) extern int name##2[__alignof(name) == size ? 1 : -1]; + +// Simple tests. +struct Test1 { + char c : 9; // expected-warning {{size of bit-field 'c' (9 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test1, 2); +CHECK_ALIGN(Test1, 1); + +struct Test2 { + char c : 16; // expected-warning {{size of bit-field 'c' (16 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test2, 2); +CHECK_ALIGN(Test2, 2); + +struct Test3 { + char c : 32; // expected-warning {{size of bit-field 'c' (32 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test3, 4); +CHECK_ALIGN(Test3, 4); + +struct Test4 { + char c : 64; // expected-warning {{size of bit-field 'c' (64 bits) exceeds the size of its type; value will be truncated to 8 bits}} +}; +CHECK_SIZE(Test4, 8); +CHECK_ALIGN(Test4, 8); + |