78 lines
1.5 KiB
C++
78 lines
1.5 KiB
C++
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// RUN: %clang_cc1 -fdump-record-layouts-simple %s > %t.layouts
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// RUN: %clang_cc1 -fdump-record-layouts-simple %s > %t.before
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// RUN: %clang_cc1 -DPACKED= -DALIGNED16= -fdump-record-layouts-simple -foverride-record-layout=%t.layouts %s > %t.after
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// RUN: diff -u %t.before %t.after
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// RUN: FileCheck %s < %t.after
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// If not explicitly disabled, set PACKED to the packed attribute.
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#ifndef PACKED
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# define PACKED __attribute__((packed))
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#endif
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struct Empty1 { };
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struct Empty2 { };
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// CHECK: Type: struct X0
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struct X0 : public Empty1 {
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int x[6] PACKED;
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};
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// CHECK: Type: struct X1
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struct X1 : public X0, public Empty2 {
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char x[13];
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struct X0 y;
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} PACKED;
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// CHECK: Type: struct X2
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struct PACKED X2 : public X1, public X0, public Empty1 {
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short x;
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int y;
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};
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// CHECK: Type: struct X3
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struct PACKED X3 : virtual public X1, public X0 {
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short x;
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int y;
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};
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// CHECK: Type: struct X4
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struct PACKED X4 {
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unsigned int a : 1;
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unsigned int b : 1;
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unsigned int c : 1;
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unsigned int d : 1;
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unsigned int e : 1;
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unsigned int f : 1;
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unsigned int g : 1;
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unsigned int h : 1;
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unsigned int i : 1;
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unsigned int j : 1;
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unsigned int k : 1;
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unsigned int l : 1;
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unsigned int m : 1;
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unsigned int n : 1;
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X4();
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};
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// CHECK: Type: struct X5
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struct PACKED X5 {
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union {
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long a;
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long b;
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};
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short l;
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short r;
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};
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void use_structs() {
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X0 x0s[sizeof(X0)];
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X1 x1s[sizeof(X1)];
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X2 x2s[sizeof(X2)];
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X3 x3s[sizeof(X3)];
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X4 x4s[sizeof(X4)];
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X5 x5s[sizeof(X5)];
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x4s[1].a = 1;
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x5s[1].a = 17;
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}
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