//===- llvm/Transforms/Instrumentation/TraceValues.h - Tracing ---*- C++ -*--=//
//
// Support for inserting LLVM code to print values at basic block and method
// exits.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H

#include "llvm/Pass.h"

class InsertTraceCode : public Pass {
  bool TraceBasicBlockExits, TraceMethodExits;
public:
  InsertTraceCode(bool traceBasicBlockExits, bool traceMethodExits)
    : TraceBasicBlockExits(traceBasicBlockExits), 
      TraceMethodExits(traceMethodExits) {}


  //--------------------------------------------------------------------------
  // Function InsertCodeToTraceValues
  // 
  // Inserts tracing code for all live values at basic block and/or method exits
  // as specified by `traceBasicBlockExits' and `traceMethodExits'.
  //
  static bool doInsertTraceCode(Method *M, bool traceBasicBlockExits,
                                bool traceMethodExits);

  // doPerMethodWork - This method does the work.  Always successful.
  //
  bool doPerMethodWork(Method *M) {
    return doInsertTraceCode(M, TraceBasicBlockExits, TraceMethodExits);
  }
};

#endif /*LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H*/

//===- llvm/Transforms/Instrumentation/TraceValues.h - Tracing ---*- C++ -*--=//
//
// Support for inserting LLVM code to print values at basic block and method
// exits.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H
#define LLVM_TRANSFORMS_INSTRUMENTATION_TRACEVALUES_H

#include "llvm/Pass.h"
class Method;

class InsertTraceCode : public Pass {
  bool TraceBasicBlockExits, TraceMethodExits;
  Method *PrintfMeth;
public:
  InsertTraceCode(bool traceBasicBlockExits, bool traceMethodExits)
    : TraceBasicBlockExits(traceBasicBlockExits), 
      TraceMethodExits(traceMethodExits) {}

  // Add a prototype for printf if it is not already in the program.
  //
  bool doPassInitialization(Module *M);

  //--------------------------------------------------------------------------
  // Function InsertCodeToTraceValues
  // 
  // Inserts tracing code for all live values at basic block and/or method exits
  // as specified by `traceBasicBlockExits' and `traceMethodExits'.
  //
  static bool doit(Method *M, bool traceBasicBlockExits,
                   bool traceMethodExits, Method *Printf);

  // doPerMethodWork - This method does the work.  Always successful.
  //
  bool doPerMethodWork(Method *M) {
    return doit(M, TraceBasicBlockExits, TraceMethodExits, PrintfMeth);
  }
};

#endif

Refactor trace values to work as a proper pass. Before it used to add methods while the pass was running which was a no no. Now it adds the printf method at pass initialization
Refactor trace values to work as a proper pass.  Before it used to add
methods while the pass was running which was a no no.  Now it adds the
printf method at pass initialization


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@1456 91177308-0d34-0410-b5e6-96231b3b80d8
