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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/class-layout.cpp | |
parent | 3d206f03985b50beacae843d880bccdc91a9f424 (diff) |
Add the clang library to the repo (with some of my changes, too).
Diffstat (limited to 'clang/test/SemaCXX/class-layout.cpp')
-rw-r--r-- | clang/test/SemaCXX/class-layout.cpp | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/class-layout.cpp b/clang/test/SemaCXX/class-layout.cpp new file mode 100644 index 0000000..d81944a --- /dev/null +++ b/clang/test/SemaCXX/class-layout.cpp @@ -0,0 +1,104 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-unknown %s -fsyntax-only -verify + +#define SA(n, p) int a##n[(p) ? 1 : -1] + +struct A { + int a; + char b; +}; + +SA(0, sizeof(A) == 8); + +struct B : A { + char c; +}; + +SA(1, sizeof(B) == 12); + +struct C { +// Make fields private so C won't be a POD type. +private: + int a; + char b; +}; + +SA(2, sizeof(C) == 8); + +struct D : C { + char c; +}; + +SA(3, sizeof(D) == 8); + +struct __attribute__((packed)) E { + char b; + int a; +}; + +SA(4, sizeof(E) == 5); + +struct __attribute__((packed)) F : E { + char d; +}; + +SA(5, sizeof(F) == 6); + +struct G { G(); }; +struct H : G { }; + +SA(6, sizeof(H) == 1); + +struct I { + char b; + int a; +} __attribute__((packed)); + +SA(6_1, sizeof(I) == 5); + +// PR5580 +namespace PR5580 { + +class A { bool iv0 : 1; }; +SA(7, sizeof(A) == 1); + +class B : A { bool iv0 : 1; }; +SA(8, sizeof(B) == 2); + +struct C { bool iv0 : 1; }; +SA(9, sizeof(C) == 1); + +struct D : C { bool iv0 : 1; }; +SA(10, sizeof(D) == 2); + +} + +namespace Test1 { + +// Test that we don't assert on this hierarchy. +struct A { }; +struct B : A { virtual void b(); }; +class C : virtual A { int c; }; +struct D : virtual B { }; +struct E : C, virtual D { }; +class F : virtual E { }; +struct G : virtual E, F { }; + +SA(0, sizeof(G) == 24); + +} + +namespace Test2 { + +// Test that this somewhat complex class structure is laid out correctly. +struct A { }; +struct B : A { virtual void b(); }; +struct C : virtual B { }; +struct D : virtual A { }; +struct E : virtual B, D { }; +struct F : E, virtual C { }; +struct G : virtual F, A { }; +struct H { G g; }; + +SA(0, sizeof(H) == 24); + +} |