5ff7a8e67b
Since MinGW supports automatically importing external variables from DLLs even without the DLLImport attribute, we shouldn't mark them as DSO local unless we actually know them to be local for sure. Keep marking thread local variables as DSO local. Differential Revision: https://reviews.llvm.org/D51382 llvm-svn: 340941
81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
// RUN: %clang_cc1 -triple x86_64-pc-linux -mrelocation-model static -O1 -emit-llvm %s -o - | FileCheck --check-prefix=STATIC %s
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// RUN: %clang_cc1 -triple x86_64-pc-linux -mrelocation-model static -fno-plt -O1 -emit-llvm %s -o - | FileCheck --check-prefix=NOPLT %s
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// RUN: %clang_cc1 -triple x86_64-w64-mingw32 -O1 -emit-llvm %s -o - | FileCheck --check-prefix=MINGW %s
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// STATIC-DAG: @_ZTV1C = linkonce_odr dso_local unnamed_addr constant
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// STATIC-DAG: @_ZTS1C = linkonce_odr dso_local constant
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// STATIC-DAG: @_ZTI1C = linkonce_odr dso_local constant
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// STATIC-DAG: @_ZZ14useStaticLocalvE3obj = linkonce_odr dso_local global
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// STATIC-DAG: @_ZGVZN5guard1gEvE1a = linkonce_odr dso_local global
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// STATIC-DAG: define dso_local void @_ZN1CC2Ev(
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// STATIC-DAG: define dso_local void @_ZN1CC1Ev(
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// STATIC-DAG: define linkonce_odr dso_local void @_ZN1C3fooEv(
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// NOPLT-DAG: @_ZTV1C = linkonce_odr dso_local unnamed_addr constant
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// NOPLT-DAG: @_ZTS1C = linkonce_odr dso_local constant
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// NOPLT-DAG: @_ZTI1C = linkonce_odr dso_local constant
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// NOPLT-DAG: @_ZZ14useStaticLocalvE3obj = linkonce_odr dso_local global
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// NOPLT-DAG: @_ZGVZN5guard1gEvE1a = linkonce_odr dso_local global
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// NOPLT-DAG: define dso_local void @_ZN1CC2Ev(
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// NOPLT-DAG: define dso_local void @_ZN1CC1Ev(
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// NOPLT-DAG: define linkonce_odr dso_local void @_ZN1C3fooEv(
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// MINGW-DAG: @_ZTV1C = linkonce_odr dso_local unnamed_addr constant
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// MINGW-DAG: @_ZTS1C = linkonce_odr dso_local constant
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// MINGW-DAG: @_ZTI1C = linkonce_odr dso_local constant
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// MINGW-DAG: @_ZZ14useStaticLocalvE3obj = linkonce_odr dso_local global
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// MINGW-DAG: @_ZGVZN5guard1gEvE1a = linkonce_odr dso_local global
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// MINGW-DAG: define dso_local void @_ZN1CC2Ev(
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// MINGW-DAG: define dso_local void @_ZN1CC1Ev(
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// MINGW-DAG: define linkonce_odr dso_local void @_ZN1C3fooEv(
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struct C {
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C();
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virtual void foo() {}
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};
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C::C() {}
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struct HasVTable {
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virtual void f();
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};
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inline HasVTable &useStaticLocal() {
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static HasVTable obj;
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return obj;
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}
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void useit() {
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useStaticLocal();
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}
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namespace guard {
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int f();
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inline int g() {
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static int a = f();
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return a;
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}
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int h() {
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return g();
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}
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} // namespace guard
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// STATIC-DAG: @_ZN5test23barIiE1xE = available_externally dso_local constant i32
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// STATIC-DAG: define available_externally dso_local void @_ZN5test23barIcEC1Ev(
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// NOPLT-DAG: @_ZN5test23barIiE1xE = available_externally dso_local constant i32
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// NOPLT-DAG: define available_externally void @_ZN5test23barIcEC1Ev(
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// MINGW-DAG: @_ZN5test23barIiE1xE = available_externally constant i32
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// MINGW-DAG: define available_externally dso_local void @_ZN5test23barIcEC1Ev(
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namespace test2 {
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void foo();
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template <typename T>
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struct bar {
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virtual void zed();
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static const int x = 42;
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bar() { foo(); }
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};
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extern template class bar<char>;
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bar<char> abc;
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const int *getX() {
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return &bar<int>::x;
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}
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} // namespace test2
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