8b6d034cab
It broke test/PCH/headersearch.cpp because it was using -Wpadding, which only works for Itanium layout. Before this commit, we would use Itanium record layout when using PCH, which is crazy. Now that the test uses an explicit Itanium triple, we can reland. llvm-svn: 230525
78 lines
1.5 KiB
C++
78 lines
1.5 KiB
C++
// RUN: %clang_cc1 -w -fdump-record-layouts-simple %s > %t.layouts
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// RUN: %clang_cc1 -w -fdump-record-layouts-simple %s > %t.before
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// RUN: %clang_cc1 -w -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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