diff options
Diffstat (limited to 'lib/Transforms/Utils')
-rw-r--r-- | lib/Transforms/Utils/BasicInliner.cpp | 20 | ||||
-rw-r--r-- | lib/Transforms/Utils/CodeExtractor.cpp | 15 | ||||
-rw-r--r-- | lib/Transforms/Utils/SimplifyCFG.cpp | 41 | ||||
-rw-r--r-- | lib/Transforms/Utils/UnrollLoop.cpp | 15 |
4 files changed, 46 insertions, 45 deletions
diff --git a/lib/Transforms/Utils/BasicInliner.cpp b/lib/Transforms/Utils/BasicInliner.cpp index 1650cfa..4b720b1 100644 --- a/lib/Transforms/Utils/BasicInliner.cpp +++ b/lib/Transforms/Utils/BasicInliner.cpp @@ -13,7 +13,6 @@ //===----------------------------------------------------------------------===// #define DEBUG_TYPE "basicinliner" - #include "llvm/Module.h" #include "llvm/Function.h" #include "llvm/Transforms/Utils/BasicInliner.h" @@ -21,6 +20,7 @@ #include "llvm/Support/CallSite.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Debug.h" +#include "llvm/Support/raw_ostream.h" #include "llvm/ADT/SmallPtrSet.h" #include <vector> @@ -89,7 +89,7 @@ void BasicInlinerImpl::inlineFunctions() { } } - DOUT << ": " << CallSites.size() << " call sites.\n"; + DEBUG(errs() << ": " << CallSites.size() << " call sites.\n"); // Inline call sites. bool Changed = false; @@ -109,22 +109,22 @@ void BasicInlinerImpl::inlineFunctions() { } InlineCost IC = CA.getInlineCost(CS, NeverInline); if (IC.isAlways()) { - DOUT << " Inlining: cost=always" - <<", call: " << *CS.getInstruction(); + DEBUG(errs() << " Inlining: cost=always" + <<", call: " << *CS.getInstruction()); } else if (IC.isNever()) { - DOUT << " NOT Inlining: cost=never" - <<", call: " << *CS.getInstruction(); + DEBUG(errs() << " NOT Inlining: cost=never" + <<", call: " << *CS.getInstruction()); continue; } else { int Cost = IC.getValue(); if (Cost >= (int) BasicInlineThreshold) { - DOUT << " NOT Inlining: cost = " << Cost - << ", call: " << *CS.getInstruction(); + DEBUG(errs() << " NOT Inlining: cost = " << Cost + << ", call: " << *CS.getInstruction()); continue; } else { - DOUT << " Inlining: cost = " << Cost - << ", call: " << *CS.getInstruction(); + DEBUG(errs() << " Inlining: cost = " << Cost + << ", call: " << *CS.getInstruction()); } } diff --git a/lib/Transforms/Utils/CodeExtractor.cpp b/lib/Transforms/Utils/CodeExtractor.cpp index c98317b..0558bf0 100644 --- a/lib/Transforms/Utils/CodeExtractor.cpp +++ b/lib/Transforms/Utils/CodeExtractor.cpp @@ -29,6 +29,7 @@ #include "llvm/Support/Compiler.h" #include "llvm/Support/Debug.h" #include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/raw_ostream.h" #include "llvm/ADT/StringExtras.h" #include <algorithm> #include <set> @@ -236,8 +237,8 @@ Function *CodeExtractor::constructFunction(const Values &inputs, BasicBlock *newHeader, Function *oldFunction, Module *M) { - DOUT << "inputs: " << inputs.size() << "\n"; - DOUT << "outputs: " << outputs.size() << "\n"; + DEBUG(errs() << "inputs: " << inputs.size() << "\n"); + DEBUG(errs() << "outputs: " << outputs.size() << "\n"); // This function returns unsigned, outputs will go back by reference. switch (NumExitBlocks) { @@ -253,25 +254,25 @@ Function *CodeExtractor::constructFunction(const Values &inputs, for (Values::const_iterator i = inputs.begin(), e = inputs.end(); i != e; ++i) { const Value *value = *i; - DOUT << "value used in func: " << *value << "\n"; + DEBUG(errs() << "value used in func: " << *value << "\n"); paramTy.push_back(value->getType()); } // Add the types of the output values to the function's argument list. for (Values::const_iterator I = outputs.begin(), E = outputs.end(); I != E; ++I) { - DOUT << "instr used in func: " << **I << "\n"; + DEBUG(errs() << "instr used in func: " << **I << "\n"); if (AggregateArgs) paramTy.push_back((*I)->getType()); else paramTy.push_back(PointerType::getUnqual((*I)->getType())); } - DOUT << "Function type: " << *RetTy << " f("; + DEBUG(errs() << "Function type: " << *RetTy << " f("); for (std::vector<const Type*>::iterator i = paramTy.begin(), e = paramTy.end(); i != e; ++i) - DOUT << **i << ", "; - DOUT << ")\n"; + DEBUG(errs() << **i << ", "); + DEBUG(errs() << ")\n"); if (AggregateArgs && (inputs.size() + outputs.size() > 0)) { PointerType *StructPtr = diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp index feb82d0..94f0cae 100644 --- a/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/lib/Transforms/Utils/SimplifyCFG.cpp @@ -185,7 +185,7 @@ static bool TryToSimplifyUncondBranchFromEmptyBlock(BasicBlock *BB, } } - DOUT << "Killing Trivial BB: \n" << *BB; + DEBUG(errs() << "Killing Trivial BB: \n" << *BB); if (isa<PHINode>(Succ->begin())) { // If there is more than one pred of succ, and there are PHI nodes in @@ -618,8 +618,8 @@ static bool SimplifyEqualityComparisonWithOnlyPredecessor(TerminatorInst *TI, // Remove PHI node entries for the dead edge. ThisCases[0].second->removePredecessor(TI->getParent()); - DOUT << "Threading pred instr: " << *Pred->getTerminator() - << "Through successor TI: " << *TI << "Leaving: " << *NI << "\n"; + DEBUG(errs() << "Threading pred instr: " << *Pred->getTerminator() + << "Through successor TI: " << *TI << "Leaving: " << *NI << "\n"); EraseTerminatorInstAndDCECond(TI); return true; @@ -631,8 +631,8 @@ static bool SimplifyEqualityComparisonWithOnlyPredecessor(TerminatorInst *TI, for (unsigned i = 0, e = PredCases.size(); i != e; ++i) DeadCases.insert(PredCases[i].first); - DOUT << "Threading pred instr: " << *Pred->getTerminator() - << "Through successor TI: " << *TI; + DEBUG(errs() << "Threading pred instr: " << *Pred->getTerminator() + << "Through successor TI: " << *TI); for (unsigned i = SI->getNumCases()-1; i != 0; --i) if (DeadCases.count(SI->getCaseValue(i))) { @@ -640,7 +640,7 @@ static bool SimplifyEqualityComparisonWithOnlyPredecessor(TerminatorInst *TI, SI->removeCase(i); } - DOUT << "Leaving: " << *TI << "\n"; + DEBUG(errs() << "Leaving: " << *TI << "\n"); return true; } } @@ -682,8 +682,8 @@ static bool SimplifyEqualityComparisonWithOnlyPredecessor(TerminatorInst *TI, // Insert the new branch. Instruction *NI = BranchInst::Create(TheRealDest, TI); - DOUT << "Threading pred instr: " << *Pred->getTerminator() - << "Through successor TI: " << *TI << "Leaving: " << *NI << "\n"; + DEBUG(errs() << "Threading pred instr: " << *Pred->getTerminator() + << "Through successor TI: " << *TI << "Leaving: " << *NI << "\n"); EraseTerminatorInstAndDCECond(TI); return true; @@ -1451,9 +1451,9 @@ static bool SimplifyCondBranchToTwoReturns(BranchInst *BI) { ReturnInst::Create(BI->getContext(), BI) : ReturnInst::Create(BI->getContext(), TrueValue, BI); - DOUT << "\nCHANGING BRANCH TO TWO RETURNS INTO SELECT:" - << "\n " << *BI << "NewRet = " << *RI - << "TRUEBLOCK: " << *TrueSucc << "FALSEBLOCK: "<< *FalseSucc; + DEBUG(errs() << "\nCHANGING BRANCH TO TWO RETURNS INTO SELECT:" + << "\n " << *BI << "NewRet = " << *RI + << "TRUEBLOCK: " << *TrueSucc << "FALSEBLOCK: "<< *FalseSucc); EraseTerminatorInstAndDCECond(BI); @@ -1533,7 +1533,7 @@ bool llvm::FoldBranchToCommonDest(BranchInst *BI) { else continue; - DOUT << "FOLDING BRANCH TO COMMON DEST:\n" << *PBI << *BB; + DEBUG(errs() << "FOLDING BRANCH TO COMMON DEST:\n" << *PBI << *BB); // If we need to invert the condition in the pred block to match, do so now. if (InvertPredCond) { @@ -1667,8 +1667,8 @@ static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI) { // Finally, if everything is ok, fold the branches to logical ops. BasicBlock *OtherDest = BI->getSuccessor(BIOp ^ 1); - DOUT << "FOLDING BRs:" << *PBI->getParent() - << "AND: " << *BI->getParent(); + DEBUG(errs() << "FOLDING BRs:" << *PBI->getParent() + << "AND: " << *BI->getParent()); // If OtherDest *is* BB, then BB is a basic block with a single conditional @@ -1687,7 +1687,7 @@ static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI) { OtherDest = InfLoopBlock; } - DOUT << *PBI->getParent()->getParent(); + DEBUG(errs() << *PBI->getParent()->getParent()); // BI may have other predecessors. Because of this, we leave // it alone, but modify PBI. @@ -1737,9 +1737,8 @@ static bool SimplifyCondBranchToCondBranch(BranchInst *PBI, BranchInst *BI) { } } - DOUT << "INTO: " << *PBI->getParent(); - - DOUT << *PBI->getParent()->getParent(); + DEBUG(errs() << "INTO: " << *PBI->getParent()); + DEBUG(errs() << *PBI->getParent()->getParent()); // This basic block is probably dead. We know it has at least // one fewer predecessor. @@ -1766,7 +1765,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) { // Remove basic blocks that have no predecessors... or that just have themself // as a predecessor. These are unreachable. if (pred_begin(BB) == pred_end(BB) || BB->getSinglePredecessor() == BB) { - DOUT << "Removing BB: \n" << *BB; + DEBUG(errs() << "Removing BB: \n" << *BB); DeleteDeadBlock(BB); return true; } @@ -1806,8 +1805,8 @@ bool llvm::SimplifyCFG(BasicBlock *BB) { if (!UncondBranchPreds.empty()) { while (!UncondBranchPreds.empty()) { BasicBlock *Pred = UncondBranchPreds.pop_back_val(); - DOUT << "FOLDING: " << *BB - << "INTO UNCOND BRANCH PRED: " << *Pred; + DEBUG(errs() << "FOLDING: " << *BB + << "INTO UNCOND BRANCH PRED: " << *Pred); Instruction *UncondBranch = Pred->getTerminator(); // Clone the return and add it to the end of the predecessor. Instruction *NewRet = RI->clone(BB->getContext()); diff --git a/lib/Transforms/Utils/UnrollLoop.cpp b/lib/Transforms/Utils/UnrollLoop.cpp index aa1f09b6..4d838b5 100644 --- a/lib/Transforms/Utils/UnrollLoop.cpp +++ b/lib/Transforms/Utils/UnrollLoop.cpp @@ -63,7 +63,7 @@ static BasicBlock *FoldBlockIntoPredecessor(BasicBlock *BB, LoopInfo* LI) { if (OnlyPred->getTerminator()->getNumSuccessors() != 1) return 0; - DOUT << "Merging: " << *BB << "into: " << *OnlyPred; + DEBUG(errs() << "Merging: " << *BB << "into: " << *OnlyPred); // Resolve any PHI nodes at the start of the block. They are all // guaranteed to have exactly one entry if they exist, unless there are @@ -114,7 +114,8 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, LoopInfo* LI, LPPassManager* LPM) if (!BI || BI->isUnconditional()) { // The loop-rotate pass can be helpful to avoid this in many cases. - DOUT << " Can't unroll; loop not terminated by a conditional branch.\n"; + DEBUG(errs() << + " Can't unroll; loop not terminated by a conditional branch.\n"); return false; } @@ -126,9 +127,9 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, LoopInfo* LI, LPPassManager* LPM) TripMultiple = L->getSmallConstantTripMultiple(); if (TripCount != 0) - DOUT << " Trip Count = " << TripCount << "\n"; + DEBUG(errs() << " Trip Count = " << TripCount << "\n"); if (TripMultiple != 1) - DOUT << " Trip Multiple = " << TripMultiple << "\n"; + DEBUG(errs() << " Trip Multiple = " << TripMultiple << "\n"); // Effectively "DCE" unrolled iterations that are beyond the tripcount // and will never be executed. @@ -160,11 +161,11 @@ bool llvm::UnrollLoop(Loop *L, unsigned Count, LoopInfo* LI, LPPassManager* LPM) DEBUG(errs() << "UNROLLING loop %" << Header->getName() << " by " << Count); if (TripMultiple == 0 || BreakoutTrip != TripMultiple) { - DOUT << " with a breakout at trip " << BreakoutTrip; + DEBUG(errs() << " with a breakout at trip " << BreakoutTrip); } else if (TripMultiple != 1) { - DOUT << " with " << TripMultiple << " trips per branch"; + DEBUG(errs() << " with " << TripMultiple << " trips per branch"); } - DOUT << "!\n"; + DEBUG(errs() << "!\n"); } std::vector<BasicBlock*> LoopBlocks = L->getBlocks(); |