forked from OSchip/llvm-project
160 lines
7.9 KiB
C++
160 lines
7.9 KiB
C++
// RUN: %clang -S -emit-llvm -target x86_64-unknown_unknown -g %s -o - -std=c++11 | FileCheck %s
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// CHECK: @tci = global %"struct.TC<unsigned int, 2, &glb, &foo::e, &foo::f, &foo::g, 1, 2, 3>::nested" zeroinitializer, align 1, !dbg [[TCI:![0-9]+]]
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// CHECK: @tcn = global %struct.TC zeroinitializer, align 1, !dbg [[TCN:![0-9]+]]
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// CHECK: @nn = global %struct.NN zeroinitializer, align 1, !dbg [[NN:![0-9]+]]
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// CHECK: !DICompileUnit(
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// CHECK: [[EMPTY:![0-9]*]] = !{}
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struct foo {
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char pad[8]; // make the member pointer to 'e' a bit more interesting (nonzero)
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int e;
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void f();
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static void g();
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};
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typedef int foo::*foo_mem;
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template<typename T, T, const int *x, foo_mem a, void (foo::*b)(), void (*f)(), int ...Is>
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struct TC {
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struct nested {
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};
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};
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int glb;
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void func();
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// CHECK: [[TCI]] = distinct !DIGlobalVariable(name: "tci",
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// CHECK-SAME: type: ![[TCNESTED:[0-9]+]]
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// CHECK: ![[TCNESTED]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "nested",
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// CHECK-SAME: scope: ![[TC:[0-9]+]],
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// CHECK: ![[TC]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "TC<unsigned int, 2, &glb, &foo::e, &foo::f, &foo::g, 1, 2, 3>"
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// CHECK-SAME: templateParams: [[TCARGS:![0-9]*]]
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TC
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// CHECK: [[TCARGS]] = !{[[TCARG1:![0-9]*]], [[TCARG2:![0-9]*]], [[TCARG3:![0-9]*]], [[TCARG4:![0-9]*]], [[TCARG5:![0-9]*]], [[TCARG6:![0-9]*]], [[TCARG7:![0-9]*]]}
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// CHECK: [[TCARG1]] = !DITemplateTypeParameter(name: "T", type: [[UINT:![0-9]*]])
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// CHECK: [[UINT:![0-9]*]] = !DIBasicType(name: "unsigned int"
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< unsigned,
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// CHECK: [[TCARG2]] = !DITemplateValueParameter(type: [[UINT]], value: i32 2)
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2,
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// CHECK: [[TCARG3]] = !DITemplateValueParameter(name: "x", type: [[CINTPTR:![0-9]*]], value: i32* @glb)
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// CHECK: [[CINTPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, {{.*}}baseType: [[CINT:![0-9]+]]
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// CHECK: [[CINT]] = !DIDerivedType(tag: DW_TAG_const_type, {{.*}}baseType: [[INT:![0-9]+]]
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// CHECK: [[INT]] = !DIBasicType(name: "int"
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&glb,
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// CHECK: [[TCARG4]] = !DITemplateValueParameter(name: "a", type: [[MEMINTPTR:![0-9]*]], value: i64 8)
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// CHECK: [[MEMINTPTR]] = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, {{.*}}baseType: [[INT]], {{.*}}extraData: ![[FOO:[0-9]+]])
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//
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// We could just emit a declaration of 'foo' here, rather than the entire
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// definition (same goes for any time we emit a member (function or data)
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// pointer type)
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// CHECK: [[FOO]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "foo", {{.*}}identifier: "_ZTS3foo")
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// CHECK: !DISubprogram(name: "f", linkageName: "_ZN3foo1fEv", {{.*}}type: [[FTYPE:![0-9]*]]
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//
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// Currently Clang emits the pointer-to-member-function value, but LLVM doesn't
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// use it (GCC doesn't emit a value for pointers to member functions either - so
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// it's not clear what, if any, format would be acceptable to GDB)
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//
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// CHECK: [[FTYPE:![0-9]*]] = !DISubroutineType(types: [[FARGS:![0-9]*]])
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// CHECK: [[FARGS]] = !{null, [[FARG1:![0-9]*]]}
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// CHECK: [[FARG1]] = !DIDerivedType(tag: DW_TAG_pointer_type,
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// CHECK-SAME: baseType: ![[FOO]]
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// CHECK-NOT: line:
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// CHECK-SAME: size: 64, align: 64
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// CHECK-NOT: offset: 0
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// CHECK-SAME: DIFlagArtificial
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// CHECK: [[FUNTYPE:![0-9]*]] = !DISubroutineType(types: [[FUNARGS:![0-9]*]])
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// CHECK: [[FUNARGS]] = !{null}
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&foo::e,
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// CHECK: [[TCARG5]] = !DITemplateValueParameter(name: "b", type: [[MEMFUNPTR:![0-9]*]], value: { i64, i64 } { i64 ptrtoint (void (%struct.foo*)* @_ZN3foo1fEv to i64), i64 0 })
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// CHECK: [[MEMFUNPTR]] = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, {{.*}}baseType: [[FTYPE]], {{.*}}extraData: ![[FOO]])
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&foo::f,
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// CHECK: [[TCARG6]] = !DITemplateValueParameter(name: "f", type: [[FUNPTR:![0-9]*]], value: void ()* @_ZN3foo1gEv)
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// CHECK: [[FUNPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[FUNTYPE]]
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&foo::g,
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// CHECK: [[TCARG7]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Is", value: [[TCARG7_VALS:![0-9]*]])
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// CHECK: [[TCARG7_VALS]] = !{[[TCARG7_1:![0-9]*]], [[TCARG7_2:![0-9]*]], [[TCARG7_3:![0-9]*]]}
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// CHECK: [[TCARG7_1]] = !DITemplateValueParameter(type: [[INT]], value: i32 1)
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1,
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// CHECK: [[TCARG7_2]] = !DITemplateValueParameter(type: [[INT]], value: i32 2)
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2,
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// CHECK: [[TCARG7_3]] = !DITemplateValueParameter(type: [[INT]], value: i32 3)
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3>::nested tci;
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// CHECK: [[TCN]] = distinct !DIGlobalVariable(name: "tcn"
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// CHECK-SAME: type: ![[TCNT:[0-9]+]]
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TC
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// CHECK: ![[TCNT]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "TC<int, -3, nullptr, nullptr, nullptr, nullptr>"
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// CHECK-SAME: templateParams: [[TCNARGS:![0-9]*]]
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// CHECK: [[TCNARGS]] = !{[[TCNARG1:![0-9]*]], [[TCNARG2:![0-9]*]], [[TCNARG3:![0-9]*]], [[TCNARG4:![0-9]*]], [[TCNARG5:![0-9]*]], [[TCNARG6:![0-9]*]], [[TCNARG7:![0-9]*]]}
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// CHECK: [[TCNARG1]] = !DITemplateTypeParameter(name: "T", type: [[INT]])
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<int,
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// CHECK: [[TCNARG2]] = !DITemplateValueParameter(type: [[INT]], value: i32 -3)
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-3,
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// CHECK: [[TCNARG3]] = !DITemplateValueParameter(name: "x", type: [[CINTPTR]], value: i8 0)
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nullptr,
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// The interesting null pointer: -1 for member data pointers (since they are
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// just an offset in an object, they can be zero and non-null for the first
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// member)
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// CHECK: [[TCNARG4]] = !DITemplateValueParameter(name: "a", type: [[MEMINTPTR]], value: i64 -1)
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nullptr,
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//
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// In some future iteration we could possibly emit the value of a null member
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// function pointer as '{ i64, i64 } zeroinitializer' as it may be handled
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// naturally from the LLVM CodeGen side once we decide how to handle non-null
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// member function pointers. For now, it's simpler just to emit the 'i8 0'.
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//
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// CHECK: [[TCNARG5]] = !DITemplateValueParameter(name: "b", type: [[MEMFUNPTR]], value: i8 0)
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nullptr,
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// CHECK: [[TCNARG6]] = !DITemplateValueParameter(name: "f", type: [[FUNPTR]], value: i8 0)
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nullptr
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// CHECK: [[TCNARG7]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_parameter_pack, name: "Is", value: [[EMPTY]])
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> tcn;
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template<typename>
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struct tmpl_impl {
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};
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template <template <typename> class tmpl, int &lvr, int &&rvr>
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struct NN {
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};
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// CHECK: [[NN]] = distinct !DIGlobalVariable(name: "nn"
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// CHECK-SAME: type: ![[NNT:[0-9]+]]
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// FIXME: these parameters should probably be rendered as 'glb' rather than
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// '&glb', since they're references, not pointers.
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// CHECK: ![[NNT]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "NN<tmpl_impl, &glb, &glb>",
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// CHECK-SAME: templateParams: [[NNARGS:![0-9]*]]
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// CHECK-SAME: identifier:
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// CHECK: [[NNARGS]] = !{[[NNARG1:![0-9]*]], [[NNARG2:![0-9]*]], [[NNARG3:![0-9]*]]}
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// CHECK: [[NNARG1]] = !DITemplateValueParameter(tag: DW_TAG_GNU_template_template_param, name: "tmpl", value: !"tmpl_impl")
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// CHECK: [[NNARG2]] = !DITemplateValueParameter(name: "lvr", type: [[INTLVR:![0-9]*]], value: i32* @glb)
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// CHECK: [[INTLVR]] = !DIDerivedType(tag: DW_TAG_reference_type, baseType: [[INT]]
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// CHECK: [[NNARG3]] = !DITemplateValueParameter(name: "rvr", type: [[INTRVR:![0-9]*]], value: i32* @glb)
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// CHECK: [[INTRVR]] = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: [[INT]]
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NN<tmpl_impl, glb, glb> nn;
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// CHECK: ![[PADDINGATEND:[0-9]+]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PaddingAtEnd",
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struct PaddingAtEnd {
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int i;
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char c;
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};
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PaddingAtEnd PaddedObj = {};
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// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "PaddingAtEndTemplate<&PaddedObj>"
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// CHECK-SAME: templateParams: [[PTOARGS:![0-9]*]]
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// CHECK: [[PTOARGS]] = !{[[PTOARG1:![0-9]*]]}
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// CHECK: [[PTOARG1]] = !DITemplateValueParameter(type: [[CONST_PADDINGATEND_PTR:![0-9]*]], value: %struct.PaddingAtEnd* @PaddedObj)
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// CHECK: [[CONST_PADDINGATEND_PTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[PADDINGATEND]], size: 64, align: 64)
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template <PaddingAtEnd *>
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struct PaddingAtEndTemplate {
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};
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PaddingAtEndTemplate<&PaddedObj> PaddedTemplateObj;
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