diff options
Diffstat (limited to 'lib/Transforms')
-rw-r--r-- | lib/Transforms/Instrumentation/TraceValues.cpp | 45 |
1 files changed, 18 insertions, 27 deletions
diff --git a/lib/Transforms/Instrumentation/TraceValues.cpp b/lib/Transforms/Instrumentation/TraceValues.cpp index 20ad1d8..12fc84b 100644 --- a/lib/Transforms/Instrumentation/TraceValues.cpp +++ b/lib/Transforms/Instrumentation/TraceValues.cpp @@ -1,6 +1,6 @@ //===- TraceValues.cpp - Value Tracing for debugging -------------*- C++ -*--=// // -// Support for inserting LLVM code to print values at basic block and method +// Support for inserting LLVM code to print values at basic block and function // exits. // //===----------------------------------------------------------------------===// @@ -38,13 +38,13 @@ namespace { //-------------------------------------------------------------------------- // Function InsertCodeToTraceValues // - // Inserts tracing code for all live values at basic block and/or method + // Inserts tracing code for all live values at basic block and/or function // exits as specified by `traceBasicBlockExits' and `traceFunctionExits'. // static bool doit(Function *M, bool traceBasicBlockExits, bool traceFunctionExits, Function *Printf); - // runOnMethod - This method does the work. Always successful. + // runOnFunction - This method does the work. // bool runOnMethod(Function *F) { return doit(F, TraceBasicBlockExits, TraceFunctionExits, PrintfFunc); @@ -53,11 +53,11 @@ namespace { } // end anonymous namespace -Pass *createTraceValuesPassForMethod() { // Just trace methods +Pass *createTraceValuesPassForMethod() { // Just trace functions return new InsertTraceCode(false, true); } -Pass *createTraceValuesPassForBasicBlocks() { // Trace BB's and methods +Pass *createTraceValuesPassForBasicBlocks() { // Trace BB's and functions return new InsertTraceCode(true, true); } @@ -123,24 +123,15 @@ static bool ShouldTraceValue(const Instruction *I) { static string getPrintfCodeFor(const Value *V) { if (V == 0) return ""; - switch (V->getType()->getPrimitiveID()) { - case Type::BoolTyID: - case Type::UByteTyID: case Type::UShortTyID: - case Type::UIntTyID: case Type::ULongTyID: - case Type::SByteTyID: case Type::ShortTyID: - case Type::IntTyID: case Type::LongTyID: - return "%d"; - - case Type::FloatTyID: case Type::DoubleTyID: + if (V->getType()->isFloatingPoint()) return "%g"; - - case Type::LabelTyID: case Type::PointerTyID: - return "%p"; + else if (V->getType() == Type::LabelTy || isa<PointerType>(V->getType())) + return "0x%p"; + else if (V->getType()->isIntegral() || V->getType() == Type::BoolTy) + return "%d"; - default: - assert(0 && "Illegal value to print out..."); - return ""; - } + assert(0 && "Illegal value to print out..."); + return ""; } @@ -149,7 +140,7 @@ static void InsertPrintInst(Value *V, BasicBlock *BB, BasicBlock::iterator &BBI, // Escape Message by replacing all % characters with %% chars. unsigned Offset = 0; while ((Offset = Message.find('%', Offset)) != string::npos) { - Message.replace(Offset, 2, "%%"); + Message.replace(Offset, 1, "%%"); Offset += 2; // Skip over the new %'s } @@ -188,8 +179,8 @@ static void InsertVerbosePrintInst(Value *V, BasicBlock *BB, // or that is stored to memory in this basic block. // If the value is stored to memory, we load it back before printing // We also return all such loaded values in the vector valuesStoredInFunction -// for printing at the exit from the method. (Note that in each invocation -// of the method, this will only get the last value stored for each static +// for printing at the exit from the function. (Note that in each invocation +// of the function, this will only get the last value stored for each static // store instruction). // *bb must be the block in which the value is computed; // this is not checked here. @@ -232,7 +223,7 @@ static void TraceValuesAtBBExit(BasicBlock *BB, Function *Printf, Instruction *I = *II; if (StoreInst *SI = dyn_cast<StoreInst>(I)) { assert(valuesStoredInFunction && - "Should not be printing a store instruction at method exit"); + "Should not be printing a store instruction at function exit"); LoadInst *LI = new LoadInst(SI->getPointerOperand(), SI->copyIndices(), "reload"); InsertPos = BB->getInstList().insert(InsertPos, LI) + 1; @@ -250,7 +241,7 @@ static inline void InsertCodeToShowFunctionEntry(Function *M, Function *Printf){ std::ostringstream OutStr; WriteAsOperand(OutStr, M, true); - InsertPrintInst(0, BB, BBI, "ENTERING METHOD: " + OutStr.str(), Printf); + InsertPrintInst(0, BB, BBI, "ENTERING FUNCTION: " + OutStr.str(), Printf); // Now print all the incoming arguments const Function::ArgumentListType &argList = M->getArgumentList(); @@ -271,7 +262,7 @@ static inline void InsertCodeToShowFunctionExit(BasicBlock *BB, std::ostringstream OutStr; WriteAsOperand(OutStr, BB->getParent(), true); - InsertPrintInst(0, BB, BBI, "LEAVING METHOD: " + OutStr.str(), Printf); + InsertPrintInst(0, BB, BBI, "LEAVING FUNCTION: " + OutStr.str(), Printf); // print the return value, if any if (BB->getParent()->getReturnType() != Type::VoidTy) |