[clang-doc] Use QualName in Markdown output

[ilovepi]

QualName will provide the more useful typename when the type is
templated.

Fixes #67549

[llvmbot]

@llvm/pr-subscribers-clang-tools-extra

Author: Paul Kirth (ilovepi)

Changes

QualName will provide the more useful typename when the type is
templated.

Fixes #67549

---

Full diff: https://github.com/llvm/llvm-project/pull/119815.diff

2 Files Affected:

• (modified) clang-tools-extra/clang-doc/MDGenerator.cpp (+3-3)
• (modified) clang-tools-extra/test/clang-doc/templates.cpp (+1-1)

diff --git a/clang-tools-extra/clang-doc/MDGenerator.cpp b/clang-tools-extra/clang-doc/MDGenerator.cpp
index 795eb4b904e3ef..00c6605725dae9 100644
--- a/clang-tools-extra/clang-doc/MDGenerator.cpp
+++ b/clang-tools-extra/clang-doc/MDGenerator.cpp
@@ -157,17 +157,17 @@ static void genMarkdown(const ClangDocContext &CDCtx, const FunctionInfo &I,
   for (const auto &N : I.Params) {
     if (!First)
       Stream << ", ";
-    Stream << N.Type.Name + " " + N.Name;
+    Stream << N.Type.QualName + " " + N.Name;
     First = false;
   }
   writeHeader(I.Name, 3, OS);
   std::string Access = getAccessSpelling(I.Access).str();
   if (Access != "")
-    writeLine(genItalic(Access + " " + I.ReturnType.Type.Name + " " + I.Name +
+    writeLine(genItalic(Access + " " + I.ReturnType.Type.QualName + " " + I.Name +
                         "(" + Stream.str() + ")"),
               OS);
   else
-    writeLine(genItalic(I.ReturnType.Type.Name + " " + I.Name + "(" +
+    writeLine(genItalic(I.ReturnType.Type.QualName + " " + I.Name + "(" +
                         Stream.str() + ")"),
               OS);
   if (I.DefLoc)
diff --git a/clang-tools-extra/test/clang-doc/templates.cpp b/clang-tools-extra/test/clang-doc/templates.cpp
index bf6528437b6ba9..b5590a92e7524c 100644
--- a/clang-tools-extra/test/clang-doc/templates.cpp
+++ b/clang-tools-extra/test/clang-doc/templates.cpp
@@ -150,7 +150,7 @@ tuple<int,int,bool> func_with_tuple_param(tuple<int,int,bool> t){ return t;}
 // YAML-NEXT: ...
 
 // MD: ### func_with_tuple_param
-// MD: *tuple func_with_tuple_param(tuple t)*
+// MD: *tuple<int, int, _Bool> func_with_tuple_param(tuple<int, int, _Bool> t)*
 // MD: *Defined at {{.*}}templates.cpp#[[# @LINE - 44]]*
 // MD:  A function with a tuple parameter
 // MD: **t** The input to func_with_tuple_param

[github-actions]

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