From: Devang Patel <dpatel@apple.com>
Date: Thu, 1 Oct 2009 01:15:28 +0000 (+0000)
Subject: Add another MDNode into DebugLocTuple. This will be used to keep track of inlined... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=a1434045c32eb6818354a607b84d99353af759b0

Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83190 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/include/llvm/Support/DebugLoc.h b/include/llvm/Support/DebugLoc.h
index 358cfe3dae6..30590c7c1d7 100644
--- a/include/llvm/Support/DebugLoc.h
+++ b/include/llvm/Support/DebugLoc.h
@@ -25,17 +25,19 @@ namespace llvm {
   ///
   struct DebugLocTuple {
     MDNode *CompileUnit;
+    MDNode *InlinedLoc;
     unsigned Line, Col;
 
     DebugLocTuple()
-      : CompileUnit(0), Line(~0U), Col(~0U) {};
+      : CompileUnit(0), InlinedLoc(0), Line(~0U), Col(~0U) {};
 
-    DebugLocTuple(MDNode *n, unsigned l, unsigned c)
-      : CompileUnit(n), Line(l), Col(c) {};
+    DebugLocTuple(MDNode *n, MDNode *i, unsigned l, unsigned c)
+      : CompileUnit(n), InlinedLoc(i), Line(l), Col(c) {};
 
     bool operator==(const DebugLocTuple &DLT) const {
       return CompileUnit == DLT.CompileUnit &&
-             Line == DLT.Line && Col == DLT.Col;
+        InlinedLoc == DLT.InlinedLoc &&
+        Line == DLT.Line && Col == DLT.Col;
     }
     bool operator!=(const DebugLocTuple &DLT) const {
       return !(*this == DLT);
@@ -66,18 +68,20 @@ namespace llvm {
   // Specialize DenseMapInfo for DebugLocTuple.
   template<>  struct DenseMapInfo<DebugLocTuple> {
     static inline DebugLocTuple getEmptyKey() {
-      return DebugLocTuple(0, ~0U, ~0U);
+      return DebugLocTuple(0, 0, ~0U, ~0U);
     }
     static inline DebugLocTuple getTombstoneKey() {
-      return DebugLocTuple((MDNode*)~1U, ~1U, ~1U);
+      return DebugLocTuple((MDNode*)~1U, (MDNode*)~1U, ~1U, ~1U);
     }
     static unsigned getHashValue(const DebugLocTuple &Val) {
       return DenseMapInfo<MDNode*>::getHashValue(Val.CompileUnit) ^
+             DenseMapInfo<MDNode*>::getHashValue(Val.InlinedLoc) ^
              DenseMapInfo<unsigned>::getHashValue(Val.Line) ^
              DenseMapInfo<unsigned>::getHashValue(Val.Col);
     }
     static bool isEqual(const DebugLocTuple &LHS, const DebugLocTuple &RHS) {
       return LHS.CompileUnit == RHS.CompileUnit &&
+             LHS.InlinedLoc  == RHS.InlinedLoc &&
              LHS.Line        == RHS.Line &&
              LHS.Col         == RHS.Col;
     }
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 6df1610517b..6b13e74a739 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -952,7 +952,6 @@ void DIFactory::InsertDeclare(Value *Storage, DIVariable D, BasicBlock *BB) {
 /// processModule - Process entire module and collect debug info.
 void DebugInfoFinder::processModule(Module &M) {
 
-
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
     for (Function::iterator FI = (*I).begin(), FE = (*I).end(); FI != FE; ++FI)
       for (BasicBlock::iterator BI = (*FI).begin(), BE = (*FI).end(); BI != BE;
@@ -1271,7 +1270,7 @@ bool getLocationInfo(const Value *V, std::string &DisplayName,
     Value *Context = SPI.getContext();
 
     // If this location is already tracked then use it.
-    DebugLocTuple Tuple(cast<MDNode>(Context), SPI.getLine(),
+    DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(),
                         SPI.getColumn());
     DenseMap<DebugLocTuple, unsigned>::iterator II
       = DebugLocInfo.DebugIdMap.find(Tuple);
@@ -1292,9 +1291,11 @@ bool getLocationInfo(const Value *V, std::string &DisplayName,
                                 DebugLocTracker &DebugLocInfo) {
     DebugLoc DL;
     MDNode *Context = Loc.getScope().getNode();
-
+    MDNode *InlinedLoc = NULL;
+    if (!Loc.getOrigLocation().isNull())
+      InlinedLoc = Loc.getOrigLocation().getNode();
     // If this location is already tracked then use it.
-    DebugLocTuple Tuple(Context, Loc.getLineNumber(),
+    DebugLocTuple Tuple(Context, InlinedLoc, Loc.getLineNumber(),
                         Loc.getColumnNumber());
     DenseMap<DebugLocTuple, unsigned>::iterator II
       = DebugLocInfo.DebugIdMap.find(Tuple);
@@ -1321,7 +1322,7 @@ bool getLocationInfo(const Value *V, std::string &DisplayName,
     DICompileUnit CU(Subprogram.getCompileUnit());
 
     // If this location is already tracked then use it.
-    DebugLocTuple Tuple(CU.getNode(), Line, /* Column */ 0);
+    DebugLocTuple Tuple(CU.getNode(), NULL, Line, /* Column */ 0);
     DenseMap<DebugLocTuple, unsigned>::iterator II
       = DebugLocInfo.DebugIdMap.find(Tuple);
     if (II != DebugLocInfo.DebugIdMap.end())
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 484ce94ffcd..7e834737f01 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -60,7 +60,7 @@ AsmPrinter::AsmPrinter(formatted_raw_ostream &o, TargetMachine &tm,
     OutStreamer(*createAsmStreamer(OutContext, O, *T, 0)),
 
     LastMI(0), LastFn(0), Counter(~0U),
-    PrevDLT(0, ~0U, ~0U) {
+    PrevDLT(0, 0, ~0U, ~0U) {
   DW = 0; MMI = 0;
   switch (AsmVerbose) {
   case cl::BOU_UNSET: VerboseAsm = VDef;  break;