From: Devang Patel <dpatel@apple.com>
Date: Tue, 6 Oct 2009 01:50:42 +0000 (+0000)
Subject: Add utility routine to set begin and end labels for DbgScopes.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=0d20ac8d175575fbad1ed410c9fe610cf7255af3;p=oota-llvm.git

Add utility routine to set begin and end labels for DbgScopes.
This will be used by processDebugLoc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83361 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 89995afcd6d..c7274655271 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1796,6 +1796,30 @@ void DwarfDebug::CollectVariableInfo() {
   }
 }
 
+/// SetDbgScopeBeginLabels - Update DbgScope begin labels for the scopes that
+/// start with this machine instruction.
+void DwarfDebug::SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned Label) {
+  InsnToDbgScopeMapTy::iterator I = DbgScopeBeginMap.find(MI);
+  if (I == DbgScopeBeginMap.end())
+    return;
+  SmallVector<DbgScope *, 2> &SD = I->second;
+  for (SmallVector<DbgScope *, 2>::iterator SDI = SD.begin(), SDE = SD.end();
+       SDI != SDE; ++SDI) 
+    (*SDI)->setStartLabelID(Label);
+}
+
+/// SetDbgScopeEndLabels - Update DbgScope end labels for the scopes that
+/// end with this machine instruction.
+void DwarfDebug::SetDbgScopeEndLabels(const MachineInstr *MI, unsigned Label) {
+  InsnToDbgScopeMapTy::iterator I = DbgScopeEndMap.find(MI);
+  if (I == DbgScopeBeginMap.end())
+    return;
+  SmallVector<DbgScope *, 2> &SD = I->second;
+  for (SmallVector<DbgScope *, 2>::iterator SDI = SD.begin(), SDE = SD.end();
+       SDI != SDE; ++SDI) 
+    (*SDI)->setEndLabelID(Label);
+}
+
 /// ExtractScopeInformation - Scan machine instructions in this function
 /// and collect DbgScopes. Return true, if atleast one scope was found.
 bool DwarfDebug::ExtractScopeInformation(MachineFunction *MF) {
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 383844f8832..53f84c114d3 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -563,6 +563,13 @@ public:
   /// CollectVariableInfo - Populate DbgScope entries with variables' info.
   void CollectVariableInfo();
 
+  /// SetDbgScopeBeginLabels - Update DbgScope begin labels for the scopes that
+  /// start with this machine instruction.
+  void SetDbgScopeBeginLabels(const MachineInstr *MI, unsigned Label);
+
+  /// SetDbgScopeEndLabels - Update DbgScope end labels for the scopes that
+  /// end with this machine instruction.
+  void SetDbgScopeEndLabels(const MachineInstr *MI, unsigned Label);
 };
 
 } // End of namespace llvm