llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Haojian Wu (hokein) <details> <summary>Changes</summary> I found this is useful for debugging purpose to identify different kind of deduction guide decl. --- Full diff: https://github.com/llvm/llvm-project/pull/84018.diff 3 Files Affected: - (modified) clang/include/clang/AST/TextNodeDumper.h (+1) - (modified) clang/lib/AST/TextNodeDumper.cpp (+12) - (modified) clang/test/SemaTemplate/deduction-guide.cpp (+9) ``````````diff diff --git a/clang/include/clang/AST/TextNodeDumper.h b/clang/include/clang/AST/TextNodeDumper.h index de67f0b5714846..efb5bfe7f83d40 100644 --- a/clang/include/clang/AST/TextNodeDumper.h +++ b/clang/include/clang/AST/TextNodeDumper.h @@ -352,6 +352,7 @@ class TextNodeDumper void VisitEnumConstantDecl(const EnumConstantDecl *D); void VisitIndirectFieldDecl(const IndirectFieldDecl *D); void VisitFunctionDecl(const FunctionDecl *D); + void VisitCXXDeductionGuideDecl(const CXXDeductionGuideDecl *D); void VisitFieldDecl(const FieldDecl *D); void VisitVarDecl(const VarDecl *D); void VisitBindingDecl(const BindingDecl *D); diff --git a/clang/lib/AST/TextNodeDumper.cpp b/clang/lib/AST/TextNodeDumper.cpp index b683eb1edd8f13..347a1ede3d1123 100644 --- a/clang/lib/AST/TextNodeDumper.cpp +++ b/clang/lib/AST/TextNodeDumper.cpp @@ -1990,6 +1990,18 @@ void TextNodeDumper::VisitFunctionDecl(const FunctionDecl *D) { } } +void TextNodeDumper::VisitCXXDeductionGuideDecl(const CXXDeductionGuideDecl *D) { + VisitFunctionDecl(D); + switch (D->getDeductionCandidateKind()) { + case DeductionCandidate::Normal: + case DeductionCandidate::Copy: + return; + case DeductionCandidate::Aggregate: + OS << " aggregate "; + break; + } +} + void TextNodeDumper::VisitLifetimeExtendedTemporaryDecl( const LifetimeExtendedTemporaryDecl *D) { OS << " extended by "; diff --git a/clang/test/SemaTemplate/deduction-guide.cpp b/clang/test/SemaTemplate/deduction-guide.cpp index 16c7083df29d0c..0caef78fedbfd9 100644 --- a/clang/test/SemaTemplate/deduction-guide.cpp +++ b/clang/test/SemaTemplate/deduction-guide.cpp @@ -239,3 +239,12 @@ F s(0); // CHECK: |-InjectedClassNameType {{.*}} 'F<>' dependent // CHECK: | `-CXXRecord {{.*}} 'F' // CHECK: `-TemplateTypeParmType {{.*}} 'type-parameter-0-1' dependent depth 0 index 1 + +template<typename T> +struct G { T t; }; + +G g = {1}; +// CHECK-LABEL: Dumping <deduction guide for G>: +// CHECK: FunctionTemplateDecl +// CHECK: |-CXXDeductionGuideDecl {{.*}} implicit <deduction guide for G> 'auto (T) -> G<T>' aggregate +// CHECK: `-CXXDeductionGuideDecl {{.*}} implicit used <deduction guide for G> 'auto (int) -> G<int>' implicit_instantiation aggregate `````````` </details> https://github.com/llvm/llvm-project/pull/84018 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
