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05ad8e9429
Implement AIX default `power` alignment rule by adding `PreferredAlignment` and `PreferredNVAlignment` in ASTRecordLayout class. The patchh aims at returning correct value for `__alignof(x)` and `alignof(x)` under `power` alignment rules. Differential Revision: https://reviews.llvm.org/D79719
32 lines
1.0 KiB
C++
32 lines
1.0 KiB
C++
// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -Wpacked \
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// RUN: -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
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// RUN: FileCheck %s
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -Wpacked \
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// RUN: -fdump-record-layouts -fsyntax-only -verify -x c++ < %s | \
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// RUN: FileCheck %s
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// expected-no-diagnostics
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struct [[gnu::packed]] Q {
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double x [[gnu::aligned(4)]];
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};
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struct QQ : Q { char x; };
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int a = sizeof(QQ);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct Q
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// CHECK-NEXT: 0 | double x
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// CHECK-NEXT: | [sizeof=8, dsize=8, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=8, nvalign=4, preferrednvalign=4]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct QQ
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// CHECK-NEXT: 0 | struct Q (base)
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// CHECK-NEXT: 0 | double x
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// CHECK-NEXT: 8 | char x
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// CHECK-NEXT: | [sizeof=12, dsize=9, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=9, nvalign=4, preferrednvalign=4]
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