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bd63b33854
With this change, we give different results for __alignof than MSVC, but our record layout is compatible. Some data member pointers also now have a size that is not a multiple of their alignment. Fixes PR18618. Reviewers: majnemer Differential Revision: http://llvm-reviews.chandlerc.com/D2669 llvm-svn: 200585
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
// RUN: %clang_cc1 -fno-rtti -emit-llvm-only -triple i686-pc-win32 -fdump-record-layouts -fms-extensions -fsyntax-only %s 2>&1 | FileCheck %s
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struct __single_inheritance S;
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struct __multiple_inheritance M;
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struct __virtual_inheritance V;
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struct U;
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struct SD { char a; int S::*mp; };
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struct MD { char a; int M::*mp; };
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struct VD { char a; int V::*mp; };
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struct UD { char a; int U::*mp; };
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struct SF { char a; int (S::*mp)(); };
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struct MF { char a; int (M::*mp)(); };
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struct VF { char a; int (V::*mp)(); };
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struct UF { char a; int (U::*mp)(); };
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct SD
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 4 | int struct S::* mp
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// CHECK-NEXT: | [sizeof=8, align=4
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// CHECK-NEXT: | nvsize=8, nvalign=4]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct MD
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 4 | int struct M::* mp
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// CHECK-NEXT: | [sizeof=8, align=4
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// CHECK-NEXT: | nvsize=8, nvalign=4]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct VD
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 8 | int struct V::* mp
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// CHECK-NEXT: | [sizeof=16, align=8
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// CHECK-NEXT: | nvsize=16, nvalign=8]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct UD
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 8 | int struct U::* mp
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// CHECK-NEXT: | [sizeof=24, align=8
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// CHECK-NEXT: | nvsize=24, nvalign=8]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct SF
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 4 | int (struct S::*)(void) __attribute__((thiscall)) mp
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// CHECK-NEXT: | [sizeof=8, align=4
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// CHECK-NEXT: | nvsize=8, nvalign=4]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct MF
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 8 | int (struct M::*)(void) __attribute__((thiscall)) mp
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// CHECK-NEXT: | [sizeof=16, align=8
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// CHECK-NEXT: | nvsize=16, nvalign=8]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct VF
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 8 | int (struct V::*)(void) __attribute__((thiscall)) mp
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// CHECK-NEXT: | [sizeof=24, align=8
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// CHECK-NEXT: | nvsize=24, nvalign=8]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct UF
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// CHECK-NEXT: 0 | char a
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// CHECK-NEXT: 8 | int (struct U::*)(void) __attribute__((thiscall)) mp
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// CHECK-NEXT: | [sizeof=24, align=8
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// CHECK-NEXT: | nvsize=24, nvalign=8]
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char a[sizeof(SD) +
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sizeof(MD) +
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sizeof(VD) +
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sizeof(UD) +
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sizeof(SF) +
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sizeof(MF) +
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sizeof(VF) +
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sizeof(UF)];
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