From 48d726fbce7a70a2f5d7752c883731efe1e5e1c9 Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 9 Aug 2011 01:03:14 +0000
Subject: Provide method to print variable's extended name which includes
 inline location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137095 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/DebugInfo.cpp | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

(limited to 'lib/Analysis/DebugInfo.cpp')

diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 43408ee..b243772 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -117,7 +117,7 @@ unsigned DIVariable::getNumAddrElements() const {
 }
 
 /// getInlinedAt - If this variable is inlined then return inline location.
-MDNode *DIVariable::getInlinedAt() {
+MDNode *DIVariable::getInlinedAt() const {
   if (getVersion() <= llvm::LLVMDebugVersion9)
     return NULL;
   return dyn_cast_or_null<MDNode>(DbgNode->getOperand(7));
@@ -674,6 +674,42 @@ void DIGlobalVariable::print(raw_ostream &OS) const {
   OS << "]\n";
 }
 
+static void printDebugLoc(DebugLoc DL, raw_ostream &CommentOS,
+                          const LLVMContext &Ctx) {
+  if (!DL.isUnknown()) {          // Print source line info.
+    DIScope Scope(DL.getScope(Ctx));
+    // Omit the directory, because it's likely to be long and uninteresting.
+    if (Scope.Verify())
+      CommentOS << Scope.getFilename();
+    else
+      CommentOS << "<unknown>";
+    CommentOS << ':' << DL.getLine();
+    if (DL.getCol() != 0)
+      CommentOS << ':' << DL.getCol();
+    DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(DL.getInlinedAt(Ctx));
+    if (!InlinedAtDL.isUnknown()) {
+      CommentOS << " @[ ";
+      printDebugLoc(InlinedAtDL, CommentOS, Ctx);
+      CommentOS << " ]";
+    }
+  }
+}
+
+void DIVariable::printExtendedName(raw_ostream &OS) const {
+  const LLVMContext &Ctx = DbgNode->getContext();
+  StringRef Res = getName();
+  if (!Res.empty())
+    OS << Res << "," << getLineNumber();
+  if (MDNode *InlinedAt = getInlinedAt()) {
+    DebugLoc InlinedAtDL = DebugLoc::getFromDILocation(InlinedAt);
+    if (!InlinedAtDL.isUnknown()) {
+      OS << " @[";
+      printDebugLoc(InlinedAtDL, OS, Ctx);
+      OS << "]";
+    }
+  }
+}
+
 /// print - Print variable.
 void DIVariable::print(raw_ostream &OS) const {
   StringRef Res = getName();
-- 
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