forked from OSchip/llvm-project
85 lines
3.3 KiB
C++
85 lines
3.3 KiB
C++
// RUN: %clang_cc1 -emit-llvm -g -fno-standalone-debug -triple x86_64-apple-darwin %s -o - | FileCheck %s
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struct MyClass {
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template <int i> int add(int j) {
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return i + j;
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}
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virtual void func() {
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}
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};
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int add2(int x) {
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return MyClass().add<2>(x);
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}
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inline int add3(int x) {
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return MyClass().add<3>(x); // even though add<3> is ODR used, don't emit it since we don't codegen it
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}
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// CHECK: [[FOO_MEM:![0-9]*]], null, null, !"_ZTS3foo"} ; [ DW_TAG_structure_type ] [foo]
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// CHECK: [[FOO_MEM]] = !{[[FOO_FUNC:![0-9]*]]}
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// CHECK: [[FOO_FUNC]] = !{!"0x2e\00func\00func\00_ZN3foo4funcEN5outerIS_E5innerE\00{{.*}}"{{, [^,]+, [^,]+}}, [[FOO_FUNC_TYPE:![0-9]*]], {{.*}} ; [ DW_TAG_subprogram ] {{.*}} [func]
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// CHECK: [[FOO_FUNC_TYPE]] = {{.*}}, [[FOO_FUNC_PARAMS:![0-9]*]], null, null, null} ; [ DW_TAG_subroutine_type ]
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// CHECK: [[FOO_FUNC_PARAMS]] = !{null, !{{[0-9]*}}, !"[[OUTER_FOO_INNER_ID:.*]]"}
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// CHECK: !{{[0-9]*}} = {{.*}}, null, !"[[OUTER_FOO_INNER_ID]]"} ; [ DW_TAG_structure_type ] [inner]
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// CHECK: [[VIRT_MEM:![0-9]*]], !"_ZTS4virtI4elemE", [[VIRT_TEMP_PARAM:![0-9]*]], !"_ZTS4virtI4elemE"} ; [ DW_TAG_structure_type ] [virt<elem>] {{.*}} [def]
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// CHECK: [[VIRT_TEMP_PARAM]] = !{[[VIRT_T:![0-9]*]]}
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// CHECK: [[VIRT_T]] = !{!"0x2f\00T\000\000"{{, [^,]+}}, !"_ZTS4elem", {{.*}} ; [ DW_TAG_template_type_parameter ]
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// CHECK: [[C:![0-9]*]] = {{.*}}, [[C_MEM:![0-9]*]], !"_ZTS7MyClass", null, !"_ZTS7MyClass"} ; [ DW_TAG_structure_type ] [MyClass]
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// CHECK: [[C_MEM]] = !{[[C_VPTR:![0-9]*]], [[C_FUNC:![0-9]*]]}
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// CHECK: [[C_VPTR]] = {{.*}} ; [ DW_TAG_member ] [_vptr$MyClass]
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// CHECK: [[C_FUNC]] = {{.*}} ; [ DW_TAG_subprogram ] [line 7] [func]
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// CHECK: [[ELEM:![0-9]*]] = {{.*}}, [[ELEM_MEM:![0-9]*]], null, null, !"_ZTS4elem"} ; [ DW_TAG_structure_type ] [elem] {{.*}} [def]
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// CHECK: [[ELEM_MEM]] = !{[[ELEM_X:![0-9]*]]}
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// CHECK: [[ELEM_X]] = {{.*}} ; [ DW_TAG_member ] [x] {{.*}} [static] [from _ZTS4virtI4elemE]
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// Check that the member function template specialization and implicit special
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// members (the default ctor) refer to their class by scope, even though they
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// didn't appear in the class's member list (C_MEM). This prevents the functions
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// from being added to type units, while still appearing in the type
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// declaration/reference in the compile unit.
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// CHECK: !"_ZTS7MyClass", {{.*}} ; [ DW_TAG_subprogram ] [line 0] [MyClass]
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// CHECK: !"_ZTS7MyClass", {{.*}} ; [ DW_TAG_subprogram ] [line 4] [add<2>]
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template<typename T>
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struct outer {
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struct inner {
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int i;
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};
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};
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struct foo {
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void func(outer<foo>::inner);
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};
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inline void func() {
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// require 'foo' to be complete before the emission of 'inner' so that, when
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// constructing the context chain for 'x' we emit the full definition of
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// 'foo', which requires the definition of 'inner' again
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foo f;
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}
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outer<foo>::inner x;
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// CHECK: !"0x34\00{{.*}}", {{.*}}, !"[[OUTER_FOO_INNER_ID]]", %"struct.outer<foo>::inner"* @x, {{.*}} ; [ DW_TAG_variable ] [x]
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template <typename T>
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struct virt {
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T* values;
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virtual ~virt();
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};
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struct elem {
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static virt<elem> x; // ensure that completing 'elem' will require/completing 'virt<elem>'
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};
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inline void f1() {
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elem e; // ensure 'elem' is required to be complete when it is emitted as a template argument for 'virt<elem>'
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};
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void f2() {
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virt<elem> d; // emit 'virt<elem>'
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}
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