131 lines
4.8 KiB
C++
131 lines
4.8 KiB
C++
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// RUN: %clang_cc1 -emit-llvm -debug-info-kind=limited -triple x86_64-apple-darwin %s -o - | FileCheck %s
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// CHECK: @x ={{.*}} global %"struct.outer<foo>::inner" zeroinitializer, align 4, !dbg [[X:![0-9]+]]
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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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// The compile unit pulls in the global variables first.
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// CHECK: [[X]] = !DIGlobalVariableExpression(var: [[XV:.*]], expr: !DIExpression())
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// CHECK: [[XV]] = distinct !DIGlobalVariable(name: "x",
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// CHECK-SAME: type: ![[OUTER_FOO_INNER_ID:[0-9]+]]
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//
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// CHECK: {{![0-9]+}} = distinct !DIGlobalVariable(
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// CHECK-SAME: name: "var"
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// CHECK-SAME: templateParams: {{![0-9]+}}
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// CHECK: !DITemplateTypeParameter(name: "T", type: [[TY:![0-9]+]])
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// CHECK: {{![0-9]+}} = distinct !DIGlobalVariable(
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// CHECK-SAME: name: "var"
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// CHECK-SAME: templateParams: {{![0-9]+}}
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// CHECK: !DITemplateTypeParameter(name: "T", type: {{![0-9]+}})
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// CHECK: {{![0-9]+}} = distinct !DIGlobalVariable(
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// CHECK-SAME: name: "varray"
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// CHECK-SAME: templateParams: {{![0-9]+}}
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// CHECK: !DITemplateValueParameter(name: "N", type: [[TY]], value: i32 1)
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// CHECK: ![[OUTER_FOO_INNER_ID:[0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "inner"{{.*}}, identifier:
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "foo"
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// CHECK-SAME: elements: [[FOO_MEM:![0-9]*]]
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// CHECK-SAME: identifier: "_ZTS3foo"
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// CHECK: [[FOO_MEM]] = !{[[FOO_FUNC:![0-9]*]]}
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// CHECK: [[FOO_FUNC]] = !DISubprogram(name: "func", linkageName: "_ZN3foo4funcEN5outerIS_E5innerE",
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// CHECK-SAME: type: [[FOO_FUNC_TYPE:![0-9]*]]
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// CHECK: [[FOO_FUNC_TYPE]] = !DISubroutineType(types: [[FOO_FUNC_PARAMS:![0-9]*]])
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// CHECK: [[FOO_FUNC_PARAMS]] = !{null, !{{[0-9]*}}, ![[OUTER_FOO_INNER_ID]]}
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// CHECK: [[C:![0-9]*]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyClass"
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// CHECK-SAME: elements: [[C_MEM:![0-9]*]]
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// CHECK-SAME: vtableHolder: [[C]]
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// CHECK-SAME: identifier: "_ZTS7MyClass")
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// CHECK: [[C_MEM]] = !{[[C_VPTR:![0-9]*]], [[C_FUNC:![0-9]*]]}
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// CHECK: [[C_VPTR]] = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$MyClass"
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// CHECK: [[C_FUNC]] = !DISubprogram(name: "func",{{.*}} line: 9,
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// CHECK: !DISubprogram(name: "add<2>"
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// CHECK-SAME: scope: [[C]]
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//
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// CHECK: [[VIRT_TEMP:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "virt<elem>"
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// CHECK-SAME: elements: [[VIRT_MEM:![0-9]*]]
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// CHECK-SAME: vtableHolder: [[VIRT_TEMP]]
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// CHECK-SAME: templateParams: [[VIRT_TEMP_PARAM:![0-9]*]]
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// CHECK-SAME: identifier: "_ZTS4virtI4elemE"
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// CHECK: [[ELEM:![0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "elem"
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// CHECK-SAME: elements: [[ELEM_MEM:![0-9]*]]
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// CHECK-SAME: identifier: "_ZTS4elem"
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// CHECK: [[ELEM_MEM]] = !{[[ELEM_X:![0-9]*]]}
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// CHECK: [[ELEM_X]] = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: [[ELEM]]
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// CHECK-SAME: baseType: [[VIRT_TEMP:![0-9]+]]
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// CHECK: [[VIRT_TEMP_PARAM]] = !{[[VIRT_T:![0-9]*]]}
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// CHECK: [[VIRT_T]] = !DITemplateTypeParameter(name: "T", type: [[ELEM]])
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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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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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// 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: !DISubprogram(name: "MyClass"
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// CHECK-SAME: scope: [[C]]
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template <typename T>
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T var = T();
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template <typename P>
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P var<P *> = P();
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template <typename T, int N>
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T varray[N];
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void f3() {
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var<int> = 1;
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var<int *> = 1;
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varray<int, 1>[0] = 1;
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}
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