llvm-project/clang/test/CodeGenCXX/pr13396.cpp

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// RUN: %clang_cc1 -triple i686-pc-linux-gnu %s -emit-llvm -o - | FileCheck %s
struct foo {
template<typename T>
__attribute__ ((regparm (3))) foo(T x) {}
__attribute__ ((regparm (3))) foo();
__attribute__ ((regparm (3))) ~foo();
};
foo::foo() {
// CHECK-LABEL: define dso_local void @_ZN3fooC2Ev(%struct.foo* inreg %this)
// CHECK-LABEL: define dso_local void @_ZN3fooC1Ev(%struct.foo* inreg %this)
}
foo::~foo() {
// CHECK-LABEL: define dso_local void @_ZN3fooD2Ev(%struct.foo* inreg %this)
// CHECK-LABEL: define dso_local void @_ZN3fooD1Ev(%struct.foo* inreg %this)
}
void dummy() {
// FIXME: how can we explicitly instantiate a template constructor? Gcc and
// older clangs accept:
// template foo::foo(int x);
foo x(10);
// CHECK-LABEL: define linkonce_odr dso_local void @_ZN3fooC1IiEET_(%struct.foo* inreg %this, i32 inreg %x)
// CHECK-LABEL: define linkonce_odr dso_local void @_ZN3fooC2IiEET_(%struct.foo* inreg %this, i32 inreg %x)
}