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88 lines
2.7 KiB
88 lines
2.7 KiB
4 months ago
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// RUN: %clang_cc1 -emit-llvm -triple i686-pc-win32 -fms-extensions -verify -o - %s | FileCheck %s
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// expected-no-diagnostics
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// The Microsoft document says: "When this attribute is applied to a class,
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// all member functions of the class and nested classes - this includes
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// compiler-generated special member functions - are put in the specified segment."
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// But the MS compiler does not always follow that. A bug has been reported:
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// see https://reviews.llvm.org/D22931, the Microsoft feedback page is no
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// longer available.
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// The MS compiler will apply a declspec from the parent class if there is no
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// #pragma code_seg active at the class definition. If there is an active
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// code_seg that is used instead.
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// No active code_seg
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struct __declspec(code_seg("foo_outer")) Foo1 {
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struct Inner {
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void bar1();
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static void bar2();
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};
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};
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void Foo1::Inner::bar1() {}
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void Foo1::Inner::bar2() {}
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//CHECK: define {{.*}}bar1@Inner@Foo1{{.*}} section "foo_outer"
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//CHECK: define {{.*}}bar2@Inner@Foo1{{.*}} section "foo_outer"
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struct __declspec(code_seg("foo_outer")) Foo2 {
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struct __declspec(code_seg("foo_inner")) Inner {
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void bar1();
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static void bar2();
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};
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};
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void Foo2::Inner::bar1() {}
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void Foo2::Inner::bar2() {}
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//CHECK: define {{.*}}bar1@Inner@Foo2{{.*}} section "foo_inner"
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//CHECK: define {{.*}}bar2@Inner@Foo2{{.*}} section "foo_inner"
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#pragma code_seg(push, "otherseg")
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struct __declspec(code_seg("foo_outer")) Foo3 {
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struct Inner {
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void bar1();
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static void bar2();
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};
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};
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void Foo3::Inner::bar1() {}
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void Foo3::Inner::bar2() {}
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//CHECK: define {{.*}}bar1@Inner@Foo3{{.*}} section "otherseg"
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//CHECK: define {{.*}}bar2@Inner@Foo3{{.*}} section "otherseg"
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struct __declspec(code_seg("foo_outer")) Foo4 {
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struct __declspec(code_seg("foo_inner")) Inner {
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void bar1();
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static void bar2();
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};
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};
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void Foo4::Inner::bar1() {}
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void Foo4::Inner::bar2() {}
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//CHECK: define {{.*}}bar1@Inner@Foo4{{.*}} section "foo_inner"
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//CHECK: define {{.*}}bar2@Inner@Foo4{{.*}} section "foo_inner"
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#pragma code_seg(pop)
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// Back to no active pragma
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struct __declspec(code_seg("foo_outer")) Foo5 {
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struct Inner {
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void bar1();
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static void bar2();
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struct __declspec(code_seg("inner1_seg")) Inner1 {
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struct Inner2 {
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void bar1();
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static void bar2();
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};
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};
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};
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};
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void Foo5::Inner::bar1() {}
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void Foo5::Inner::bar2() {}
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void Foo5::Inner::Inner1::Inner2::bar1() {}
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void Foo5::Inner::Inner1::Inner2::bar2() {}
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//CHECK: define {{.*}}bar1@Inner@Foo5{{.*}} section "foo_outer"
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//CHECK: define {{.*}}bar2@Inner@Foo5{{.*}} section "foo_outer"
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//CHECK: define {{.*}}bar1@Inner2@Inner1@Inner@Foo5{{.*}} section "inner1_seg"
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//CHECK: define {{.*}}bar2@Inner2@Inner1@Inner@Foo5{{.*}} section "inner1_seg"
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