forked from OSchip/llvm-project
230 lines
6.0 KiB
C
230 lines
6.0 KiB
C
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// RUN: %clang_cc1 -triple powerpc-ibm-aix-xcoff -fdump-record-layouts \
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// RUN: -fxl-pragma-pack -verify -fsyntax-only -x c++ %s | \
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// RUN: FileCheck %s
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// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -fdump-record-layouts \
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// RUN: -fxl-pragma-pack -verify -fsyntax-only -x c++ %s | \
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// RUN: FileCheck %s
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namespace test1 {
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#pragma align(natural)
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#pragma pack(4)
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#pragma pack(2)
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struct A {
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int i;
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double d;
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};
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int a = sizeof(A);
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#pragma pack()
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#pragma pack(show) // expected-warning {{value of #pragma pack(show) == 4}}
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#pragma pack(pop)
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#pragma pack(show) // expected-warning {{value of #pragma pack(show) == 8}}
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struct B {
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int i;
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double d;
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};
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#pragma align(reset)
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int b = sizeof(B);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test1::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=2, preferredalign=2,
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// CHECK-NEXT: | nvsize=12, nvalign=2, preferrednvalign=2]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test1::B
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 8 | double d
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// CHECK-NEXT: | [sizeof=16, dsize=16, align=4, preferredalign=8,
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// CHECK-NEXT: | nvsize=16, nvalign=4, preferrednvalign=8]
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} // namespace test1
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namespace test2 {
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#pragma align(natural)
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#pragma pack(2)
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struct A {
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int i;
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double d;
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};
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int a = sizeof(A);
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#pragma align(reset)
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struct B {
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int i;
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double d;
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};
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int b = sizeof(B);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test2::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=2, preferredalign=2,
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// CHECK-NEXT: | nvsize=12, nvalign=2, preferrednvalign=2]
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test2::B
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=12, nvalign=4, preferrednvalign=4]
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} // namespace test2
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namespace test3 {
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#pragma pack(2)
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#pragma align(natural)
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struct A {
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double d;
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};
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#pragma align(reset)
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#pragma pack(pop)
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int a = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test3::A
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// CHECK-NEXT: 0 | double d
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// CHECK-NEXT: | [sizeof=8, dsize=8, align=4, preferredalign=8,
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// CHECK-NEXT: | nvsize=8, nvalign=4, preferrednvalign=8]
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} // namespace test3
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namespace test4 {
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#pragma pack(2)
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#pragma align(natural)
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#pragma pack(pop)
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struct A {
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int i;
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double d;
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} a;
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#pragma align(reset)
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#pragma pack(pop)
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int i = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test4::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 8 | double d
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// CHECK-NEXT: | [sizeof=16, dsize=16, align=4, preferredalign=8,
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// CHECK-NEXT: | nvsize=16, nvalign=4, preferrednvalign=8]
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} // namespace test4
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namespace test5 {
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#pragma align(power)
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#pragma align(natural)
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#pragma pack(2)
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#pragma align(reset)
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struct A {
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int i;
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double d;
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};
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#pragma align(reset)
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int a = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test5::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=12, nvalign=4, preferrednvalign=4]
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} // namespace test5
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namespace test6 {
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#pragma align(natural)
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#pragma pack(0) // expected-error {{expected #pragma pack parameter to be '1', '2', '4', '8', or '16'}}
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#pragma pack(show) // expected-warning {{value of #pragma pack(show) == 8}}
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struct A {
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int i;
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double d;
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} a;
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#pragma align(reset)
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int i = sizeof(a);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test6::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 8 | double d
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// CHECK-NEXT: | [sizeof=16, dsize=16, align=4, preferredalign=8,
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// CHECK-NEXT: | nvsize=16, nvalign=4, preferrednvalign=8]
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} // namespace test6
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namespace test7 {
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#pragma align = natural // expected-warning {{missing '(' after '#pragma align' - ignoring}}
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#pragma align(reset) // expected-warning {{#pragma options align=reset failed: stack empty}}
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} // namespace test7
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namespace test8 {
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#pragma align(packed)
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#pragma pack(2)
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#pragma pack(show) // expected-warning {{value of #pragma pack(show) == 2}}
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struct A {
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int i;
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double d;
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};
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#pragma align(reset)
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int a = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test8::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=2, preferredalign=2,
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// CHECK-NEXT: | nvsize=12, nvalign=2, preferrednvalign=2]
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} // namespace test8
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namespace test9 {
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#pragma pack(push, r1, 2) // expected-error {{specifying an identifier within `#pragma pack` is not supported on this target}}
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struct A {
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int i;
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double d;
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};
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#pragma pack(pop) // expected-warning {{#pragma pack(pop, ...) failed: stack empty}}
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int a = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test9::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=12, nvalign=4, preferrednvalign=4]
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} // namespace test9
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namespace test10 {
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#pragma pack(2)
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#pragma align(reset)
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struct A {
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int i;
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double d;
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};
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int a = sizeof(A);
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// CHECK: *** Dumping AST Record Layout
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// CHECK-NEXT: 0 | struct test10::A
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// CHECK-NEXT: 0 | int i
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// CHECK-NEXT: 4 | double d
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// CHECK-NEXT: | [sizeof=12, dsize=12, align=4, preferredalign=4,
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// CHECK-NEXT: | nvsize=12, nvalign=4, preferrednvalign=4]
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} // namespace test10
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