[llvm-commits] [llvm-gcc-4.2] r103734 - /llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp

[Devang Patel]

Author: dpatel
Date: Thu May 13 15:22:07 2010
New Revision: 103734

URL: http://llvm.org/viewvc/llvm-project?rev=103734&view=rev
Log:
Update comments.

Modified:
    llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp

Modified: llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp?rev=103734&r1=103733&r2=103734&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-debug.cpp Thu May 13 15:22:07 2010
@@ -290,8 +290,7 @@
   setCurrentLexicalBlock(desired);
 }
 
-/// EmitFunctionStart - Constructs the debug code for entering a function -
-/// "llvm.dbg.func.start."
+/// EmitFunctionStart - Constructs the debug code for entering a function.
 void DebugInfo::EmitFunctionStart(tree FnDecl, Function *Fn,
                                   BasicBlock *CurBB) {
   setCurrentLexicalBlock(FnDecl);
@@ -426,8 +425,7 @@
   return getOrCreateFile(main_input_filename);
 }
 
-/// EmitFunctionEnd - Constructs the debug code for exiting a declarative
-/// region - "llvm.dbg.region.end."
+/// EmitFunctionEnd - Pop the region stack and reset current lexical block.
 void DebugInfo::EmitFunctionEnd(BasicBlock *CurBB, bool EndFunction) {
   assert(!RegionStack.empty() && "Region stack mismatch, stack empty!");
   RegionStack.pop_back();
@@ -442,7 +440,6 @@
 }
 
 /// EmitDeclare - Constructs the debug code for allocation of a new variable.
-/// region - "llvm.dbg.declare."
 void DebugInfo::EmitDeclare(tree decl, unsigned Tag, const char *Name,
                             tree type, Value *AI, LLVMBuilder &Builder) {
 
@@ -469,9 +466,8 @@
                                 Name, getOrCreateFile(Loc.file),
                                 Loc.line, Ty);
 
-  // Insert an llvm.dbg.declare into the current block.
-  Instruction *Call = DebugFactory.InsertDeclare(AI, D, 
-                                                 Builder.GetInsertBlock());
+  Instruction *Call = 
+    DebugFactory.InsertDeclare(AI, D, Builder.GetInsertBlock());
   
   Call->setDebugLoc(DebugLoc::get(CurLineNo, 0, VarScope));
 }
@@ -499,8 +495,7 @@
   return false;
 }
 
-/// EmitStopPoint - Emit a call to llvm.dbg.stoppoint to indicate a change of 
-/// source line - "llvm.dbg.stoppoint."  Now enabled at -O.
+/// EmitStopPoint - Set current source location. 
 void DebugInfo::EmitStopPoint(Function *Fn, BasicBlock *CurBB,
                               LLVMBuilder &Builder) {
   // Don't bother if things are the same as last time.