| 1 | // RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -verify -o - %s | FileCheck %s |
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| 2 | // expected-no-diagnostics |
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| 3 | // The Microsoft document says: "When this attribute is applied to a class, |
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| 4 | // all member functions of the class and nested classes - this includes |
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| 5 | // compiler-generated special member functions - are put in the specified segment." |
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| 6 | // But the MS compiler does not always follow that. A bug has been reported: |
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| 7 | // see https://reviews.llvm.org/D22931, the Microsoft feedback page is no |
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| 8 | // longer available. |
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| 9 | // The MS compiler will apply a declspec from the parent class if there is no |
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| 10 | // #pragma code_seg active at the class definition. If there is an active |
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| 11 | // code_seg that is used instead. |
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| 12 | |
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| 13 | // No active code_seg |
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| 14 | |
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| 15 | struct __declspec(code_seg("foo_outer")) Foo1 { |
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| 16 | struct Inner { |
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| 17 | void bar1(); |
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| 18 | static void bar2(); |
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| 19 | }; |
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| 20 | }; |
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| 21 | void Foo1::Inner::bar1() {} |
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| 22 | void Foo1::Inner::bar2() {} |
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| 23 | |
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| 24 | //CHECK: define {{.*}}bar1@Inner@Foo1{{.*}} section "foo_outer" |
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| 25 | //CHECK: define {{.*}}bar2@Inner@Foo1{{.*}} section "foo_outer" |
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| 26 | |
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| 27 | struct __declspec(code_seg("foo_outer")) Foo2 { |
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| 28 | struct __declspec(code_seg("foo_inner")) Inner { |
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| 29 | void bar1(); |
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| 30 | static void bar2(); |
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| 31 | }; |
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| 32 | }; |
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| 33 | void Foo2::Inner::bar1() {} |
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| 34 | void Foo2::Inner::bar2() {} |
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| 35 | |
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| 36 | //CHECK: define {{.*}}bar1@Inner@Foo2{{.*}} section "foo_inner" |
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| 37 | //CHECK: define {{.*}}bar2@Inner@Foo2{{.*}} section "foo_inner" |
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| 38 | |
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| 39 | #pragma code_seg(push, "otherseg") |
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| 40 | struct __declspec(code_seg("foo_outer")) Foo3 { |
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| 41 | struct Inner { |
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| 42 | void bar1(); |
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| 43 | static void bar2(); |
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| 44 | }; |
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| 45 | }; |
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| 46 | void Foo3::Inner::bar1() {} |
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| 47 | void Foo3::Inner::bar2() {} |
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| 48 | |
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| 49 | //CHECK: define {{.*}}bar1@Inner@Foo3{{.*}} section "otherseg" |
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| 50 | //CHECK: define {{.*}}bar2@Inner@Foo3{{.*}} section "otherseg" |
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| 51 | |
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| 52 | struct __declspec(code_seg("foo_outer")) Foo4 { |
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| 53 | struct __declspec(code_seg("foo_inner")) Inner { |
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| 54 | void bar1(); |
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| 55 | static void bar2(); |
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| 56 | }; |
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| 57 | }; |
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| 58 | void Foo4::Inner::bar1() {} |
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| 59 | void Foo4::Inner::bar2() {} |
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| 60 | |
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| 61 | //CHECK: define {{.*}}bar1@Inner@Foo4{{.*}} section "foo_inner" |
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| 62 | //CHECK: define {{.*}}bar2@Inner@Foo4{{.*}} section "foo_inner" |
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| 63 | |
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| 64 | #pragma code_seg(pop) |
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| 65 | // Back to no active pragma |
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| 66 | struct __declspec(code_seg("foo_outer")) Foo5 { |
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| 67 | struct Inner { |
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| 68 | void bar1(); |
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| 69 | static void bar2(); |
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| 70 | struct __declspec(code_seg("inner1_seg")) Inner1 { |
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| 71 | struct Inner2 { |
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| 72 | void bar1(); |
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| 73 | static void bar2(); |
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| 74 | }; |
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| 75 | }; |
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| 76 | }; |
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| 77 | }; |
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| 78 | void Foo5::Inner::bar1() {} |
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| 79 | void Foo5::Inner::bar2() {} |
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| 80 | void Foo5::Inner::Inner1::Inner2::bar1() {} |
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| 81 | void Foo5::Inner::Inner1::Inner2::bar2() {} |
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| 82 | |
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| 83 | //CHECK: define {{.*}}bar1@Inner@Foo5{{.*}} section "foo_outer" |
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| 84 | //CHECK: define {{.*}}bar2@Inner@Foo5{{.*}} section "foo_outer" |
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| 85 | //CHECK: define {{.*}}bar1@Inner2@Inner1@Inner@Foo5{{.*}} section "inner1_seg" |
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| 86 | //CHECK: define {{.*}}bar2@Inner2@Inner1@Inner@Foo5{{.*}} section "inner1_seg" |
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| 87 | |
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| 88 | |
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