X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FAnalysis%2FDbgInfoPrinter.cpp;h=b90a996d820c9b5d984093473073611a45175833;hb=2a0f3ccc9c10186309d5d6a0c4cebe8b477f352a;hp=e43bc81ffac2115b9b01be60ef5518064956ad81;hpb=0582ae99ba75a556d6ff63b254da327d32ba036f;p=oota-llvm.git

diff --git a/lib/Analysis/DbgInfoPrinter.cpp b/lib/Analysis/DbgInfoPrinter.cpp
index e43bc81ffac..b90a996d820 100644
--- a/lib/Analysis/DbgInfoPrinter.cpp
+++ b/lib/Analysis/DbgInfoPrinter.cpp
@@ -1,4 +1,4 @@
-//===- DbgInfoPrinter.cpp - Print debug info in a human readable form -----==//
+//===- DbgInfoPrinter.cpp - Print debug info in a human readable form ------==//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -9,150 +9,155 @@
 //
 // This file implements a pass that prints instructions, and associated debug
 // info:
+// 
 //   - source/line/col information
 //   - original variable name
 //   - original type name
 //
 //===----------------------------------------------------------------------===//
+
 #include "llvm/Pass.h"
 #include "llvm/Function.h"
-#include "llvm/Module.h"
-#include "llvm/Value.h"
 #include "llvm/IntrinsicInst.h"
 #include "llvm/Assembly/Writer.h"
 #include "llvm/Analysis/DebugInfo.h"
 #include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/ValueTracking.h"
 #include "llvm/Support/CFG.h"
-#include "llvm/Support/Compiler.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/raw_ostream.h"
+
 using namespace llvm;
 
 static cl::opt<bool>
-PrintDirectory("print-fullpath", cl::desc("Print fullpath when printing debug info"), cl::Hidden);
+PrintDirectory("print-fullpath",
+               cl::desc("Print fullpath when printing debug info"),
+               cl::Hidden);
 
 namespace {
-	struct VISIBILITY_HIDDEN PrintDbgInfo : public FunctionPass {
-    private:
-      raw_ostream &Out;
-      void printStopPoint(const DbgStopPointInst *DSI);
-      void printFuncStart(const DbgFuncStartInst *FS);
-      void printVariableDeclaration(const Value *V);
-		public:
-			static char ID; // Pass identification
-			PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
-
-			virtual bool runOnFunction(Function &F);
-			virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-				AU.setPreservesAll();
-			}
-
-	};
-	char PrintDbgInfo::ID = 0;
-	static RegisterPass<PrintDbgInfo> X("print-dbginfo",
-      "Print debug info in human readable form");
+  class PrintDbgInfo : public FunctionPass {
+    raw_ostream &Out;
+    void printStopPoint(const DbgStopPointInst *DSI);
+    void printFuncStart(const DbgFuncStartInst *FS);
+    void printVariableDeclaration(const Value *V);
+  public:
+    static char ID; // Pass identification
+    PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
+
+    virtual bool runOnFunction(Function &F);
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesAll();
+    }
+  };
+  char PrintDbgInfo::ID = 0;
+  static RegisterPass<PrintDbgInfo> X("print-dbginfo",
+                                     "Print debug info in human readable form");
 }
 
 FunctionPass *llvm::createDbgInfoPrinterPass() { return new PrintDbgInfo(); }
 
-void PrintDbgInfo::printVariableDeclaration(const Value *V)
-{
+void PrintDbgInfo::printVariableDeclaration(const Value *V) {
   std::string DisplayName, File, Directory, Type;
   unsigned LineNo;
-  if (getLocationInfo(V, DisplayName, Type, LineNo, File, Directory)) {
-    Out << "; ";
-    WriteAsOperand(Out, V, false, 0);
-    Out << " is variable " << DisplayName
+
+  if (!getLocationInfo(V, DisplayName, Type, LineNo, File, Directory))
+    return;
+
+  Out << "; ";
+  WriteAsOperand(Out, V, false, 0);
+  Out << " is variable " << DisplayName
       << " of type " << Type << " declared at ";
-    if (PrintDirectory) {
-      Out << Directory << "/";
-    }
-    Out << File << ":" << LineNo << "\n";
-  }
+
+  if (PrintDirectory)
+    Out << Directory << "/";
+
+  Out << File << ":" << LineNo << "\n";
 }
 
-void PrintDbgInfo::printStopPoint(const DbgStopPointInst *DSI)
-{
-  if (PrintDirectory) {
-    std::string dir;
-		GetConstantStringInfo(DSI->getDirectory(), dir);
-    Out << dir << "/";
-  }
-  std::string file;
-  GetConstantStringInfo(DSI->getFileName(), file);
-  Out << file << ":" << DSI->getLine();
-  if (unsigned Col = DSI->getColumn()) {
-    Out << ":" << Col;
-  }
+void PrintDbgInfo::printStopPoint(const DbgStopPointInst *DSI) {
+  if (PrintDirectory)
+    if (MDString *Str = dyn_cast<MDString>(DSI->getDirectory()))
+      Out << Str->getString() << '/';
+
+  if (MDString *Str = dyn_cast<MDString>(DSI->getFileName()))
+    Out << Str->getString();
+  Out << ':' << DSI->getLine();
+
+  if (unsigned Col = DSI->getColumn())
+    Out << ':' << Col;
 }
 
-void PrintDbgInfo::printFuncStart(const DbgFuncStartInst *FS)
-{
-  DISubprogram Subprogram(cast<GlobalVariable>(FS->getSubprogram()));
-  std::string Res1, Res2;
-  Out << ";fully qualified function name: " << Subprogram.getDisplayName(Res1)
-    << " return type: " << Subprogram.getType().getName(Res2)
-    << " at line " << Subprogram.getLineNumber()
-    << "\n\n";
+void PrintDbgInfo::printFuncStart(const DbgFuncStartInst *FS) {
+  DISubprogram Subprogram(FS->getSubprogram());
+  Out << "; fully qualified function name: " << Subprogram.getDisplayName()
+      << " return type: " << Subprogram.getReturnTypeName()
+      << " at line " << Subprogram.getLineNumber()
+      << "\n\n";
 }
 
-bool PrintDbgInfo::runOnFunction(Function &F)
-{
+bool PrintDbgInfo::runOnFunction(Function &F) {
   if (F.isDeclaration())
     return false;
+
   Out << "function " << F.getName() << "\n\n";
+
   for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
     BasicBlock *BB = I;
+
     if (I != F.begin() && (pred_begin(BB) == pred_end(BB)))
       // Skip dead blocks.
       continue;
+
     const DbgStopPointInst *DSI = findBBStopPoint(BB);
     Out << BB->getName();
     Out << ":";
+
     if (DSI) {
       Out << "; (";
       printStopPoint(DSI);
       Out << ")";
     }
+
     Out << "\n";
+
     // A dbgstoppoint's information is valid until we encounter a new one.
     const DbgStopPointInst *LastDSP = DSI;
-    bool printed = DSI != 0;
-    for (BasicBlock::const_iterator i = BB->begin(), e = BB->end(); i != e; ++i) {
+    bool Printed = DSI != 0;
+    for (BasicBlock::const_iterator i = BB->begin(), e = BB->end();
+         i != e; ++i) {
       if (isa<DbgInfoIntrinsic>(i)) {
         if ((DSI = dyn_cast<DbgStopPointInst>(i))) {
-
           if (DSI->getContext() == LastDSP->getContext() &&
               DSI->getLineValue() == LastDSP->getLineValue() &&
-              DSI->getColumnValue() == LastDSP->getColumnValue()) {
+              DSI->getColumnValue() == LastDSP->getColumnValue())
             // Don't print same location twice.
             continue;
-          }
+
           LastDSP = cast<DbgStopPointInst>(i);
-          // Don't print consecutive stoppoints, use a flag
-          // to know which one we printed.
-          printed = false;
 
+          // Don't print consecutive stoppoints, use a flag to know which one we
+          // printed.
+          Printed = false;
         } else if (const DbgFuncStartInst *FS = dyn_cast<DbgFuncStartInst>(i)) {
           printFuncStart(FS);
         }
       } else {
-        if (!printed && LastDSP) {
+        if (!Printed && LastDSP) {
           Out << "; ";
           printStopPoint(LastDSP);
           Out << "\n";
-          printed = true;
+          Printed = true;
         }
-        Out << *i;
+
+        Out << *i << '\n';
         printVariableDeclaration(i);
+
         if (const User *U = dyn_cast<User>(i)) {
-          for(unsigned i=0;i<U->getNumOperands();i++) {
+          for(unsigned i=0;i<U->getNumOperands();i++)
             printVariableDeclaration(U->getOperand(i));
-          }
         }
       }
     }
   }
+
   return false;
 }