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Fix debug printing spacing.

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Fix missing newlines, missing and extra spaces in printed messages.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191851 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault 2013-10-02 20:04:29 +00:00
parent 5c86f12969
commit 7b7294c534
1 changed files with 33 additions and 32 deletions
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65
lib/Transforms/Vectorize/LoopVectorize.cpp
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@ -867,14 +867,14 @@ private:
if (isPowerOf2_32(Val) && Val <= MaxVectorWidth)
Width = Val;
else
DEBUG(dbgs() << "LV: ignoring invalid width hint metadata");
DEBUG(dbgs() << "LV: ignoring invalid width hint metadata\n");
} else if (Hint == "unroll") {
if (isPowerOf2_32(Val) && Val <= MaxUnrollFactor)
Unroll = Val;
else
DEBUG(dbgs() << "LV: ignoring invalid unroll hint metadata");
DEBUG(dbgs() << "LV: ignoring invalid unroll hint metadata\n");
} else {
DEBUG(dbgs() << "LV: ignoring unknown hint " << Hint);
DEBUG(dbgs() << "LV: ignoring unknown hint " << Hint << '\n');
}
}
};
@ -915,7 +915,7 @@ struct LoopVectorize : public LoopPass {
return false;
if (DL == NULL) {
DEBUG(dbgs() << "LV: Not vectorizing because of missing data layout");
DEBUG(dbgs() << "LV: Not vectorizing because of missing data layout\n");
return false;
}
@ -966,8 +966,8 @@ struct LoopVectorize : public LoopPass {
}
DEBUG(dbgs() << "LV: Found a vectorizable loop ("<< VF.Width << ") in "<<
F->getParent()->getModuleIdentifier()<<"\n");
DEBUG(dbgs() << "LV: Unroll Factor is " << UF << "\n");
F->getParent()->getModuleIdentifier() << '\n');
DEBUG(dbgs() << "LV: Unroll Factor is " << UF << '\n');
if (VF.Width == 1) {
if (UF == 1)
@ -1400,7 +1400,7 @@ InnerLoopVectorizer::addRuntimeCheck(LoopVectorizationLegality *Legal,
Starts.push_back(Ptr);
Ends.push_back(Ptr);
} else {
DEBUG(dbgs() << "LV: Adding RT check for range:" << *Ptr <<"\n");
DEBUG(dbgs() << "LV: Adding RT check for range:" << *Ptr << '\n');
Value *Start = Exp.expandCodeFor(PtrRtCheck->Starts[i], PtrArithTy, Loc);
Value *End = Exp.expandCodeFor(PtrRtCheck->Ends[i], PtrArithTy, Loc);
@ -2745,7 +2745,7 @@ bool LoopVectorizationLegality::canVectorize() {
// We need to have a loop header.
BasicBlock *Latch = TheLoop->getLoopLatch();
DEBUG(dbgs() << "LV: Found a loop: " <<
TheLoop->getHeader()->getName() << "\n");
TheLoop->getHeader()->getName() << '\n');
// ScalarEvolution needs to be able to find the exit count.
const SCEV *ExitCount = SE->getBackedgeTakenCount(TheLoop);
@ -2815,7 +2815,7 @@ static bool hasOutsideLoopUser(const Loop *TheLoop, Instruction *Inst,
Instruction *U = cast<Instruction>(*I);
// This user may be a reduction exit value.
if (!TheLoop->contains(U)) {
DEBUG(dbgs() << "LV: Found an outside user for : "<< *U << "\n");
DEBUG(dbgs() << "LV: Found an outside user for : " << *U << '\n');
return true;
}
}
@ -2953,7 +2953,7 @@ bool LoopVectorizationLegality::canVectorizeInstrs() {
// Check that the instruction return type is vectorizable.
if (!VectorType::isValidElementType(it->getType()) &&
!it->getType()->isVoidTy()) {
DEBUG(dbgs() << "LV: Found unvectorizable type." << "\n");
DEBUG(dbgs() << "LV: Found unvectorizable type.\n");
return false;
}
@ -3158,7 +3158,7 @@ bool AccessAnalysis::canCheckPtrAtRT(
RtCheck.insert(SE, TheLoop, Ptr, IsWrite, DepId);
DEBUG(dbgs() << "LV: Found a runtime check ptr:" << *Ptr <<"\n");
DEBUG(dbgs() << "LV: Found a runtime check ptr:" << *Ptr << '\n');
} else {
CanDoRT = false;
}
@ -3223,7 +3223,7 @@ void AccessAnalysis::processMemAccesses(bool UseDeferred) {
!isa<Argument>(UnderlyingObj)) &&
!isIdentifiedObject(UnderlyingObj))) {
DEBUG(dbgs() << "LV: Found an unidentified " <<
(IsWrite ? "write" : "read" ) << " ptr:" << *UnderlyingObj <<
(IsWrite ? "write" : "read" ) << " ptr: " << *UnderlyingObj <<
"\n");
IsRTCheckNeeded = (IsRTCheckNeeded ||
!isIdentifiedObject(UnderlyingObj) ||
@ -3567,7 +3567,7 @@ bool MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
if (Val == 0) {
if (ATy == BTy)
return false;
DEBUG(dbgs() << "LV: Zero dependence difference but different types");
DEBUG(dbgs() << "LV: Zero dependence difference but different types\n");
return true;
}
@ -3576,7 +3576,7 @@ bool MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
// Positive distance bigger than max vectorization factor.
if (ATy != BTy) {
DEBUG(dbgs() <<
"LV: ReadWrite-Write positive dependency with different types");
"LV: ReadWrite-Write positive dependency with different types\n");
return false;
}
@ -3593,7 +3593,7 @@ bool MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
2*TypeByteSize > MaxSafeDepDistBytes ||
Distance < TypeByteSize * ForcedUnroll * ForcedFactor) {
DEBUG(dbgs() << "LV: Failure because of Positive distance "
<< Val.getSExtValue() << "\n");
<< Val.getSExtValue() << '\n');
return true;
}
@ -3606,7 +3606,7 @@ bool MemoryDepChecker::isDependent(const MemAccessInfo &A, unsigned AIdx,
return true;
DEBUG(dbgs() << "LV: Positive distance " << Val.getSExtValue() <<
" with max VF=" << MaxSafeDepDistBytes/TypeByteSize << "\n");
" with max VF = " << MaxSafeDepDistBytes / TypeByteSize << '\n');
return false;
}
@ -3833,7 +3833,7 @@ bool LoopVectorizationLegality::canVectorizeMemory() {
MaxSafeDepDistBytes = DepChecker.getMaxSafeDepDistBytes();
}
DEBUG(dbgs() << "LV: We "<< (NeedRTCheck ? "" : "don't") <<
DEBUG(dbgs() << "LV: We" << (NeedRTCheck ? "" : " don't") <<
" need a runtime memory check.\n");
return CanVecMem;
@ -4209,7 +4209,7 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
// Find the trip count.
unsigned TC = SE->getSmallConstantTripCount(TheLoop, TheLoop->getLoopLatch());
DEBUG(dbgs() << "LV: Found trip count:"<<TC<<"\n");
DEBUG(dbgs() << "LV: Found trip count: " << TC << '\n');
unsigned WidestType = getWidestType();
unsigned WidestRegister = TTI.getRegisterBitWidth(true);
@ -4220,7 +4220,8 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
WidestRegister : MaxSafeDepDist);
unsigned MaxVectorSize = WidestRegister / WidestType;
DEBUG(dbgs() << "LV: The Widest type: " << WidestType << " bits.\n");
DEBUG(dbgs() << "LV: The Widest register is:" << WidestRegister << "bits.\n");
DEBUG(dbgs() << "LV: The Widest register is: "
<< WidestRegister << " bits.\n");
if (MaxVectorSize == 0) {
DEBUG(dbgs() << "LV: The target has no vector registers.\n");
@ -4256,7 +4257,7 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
if (UserVF != 0) {
assert(isPowerOf2_32(UserVF) && "VF needs to be a power of two");
DEBUG(dbgs() << "LV: Using user VF "<<UserVF<<".\n");
DEBUG(dbgs() << "LV: Using user VF " << UserVF << ".\n");
Factor.Width = UserVF;
return Factor;
@ -4264,13 +4265,13 @@ LoopVectorizationCostModel::selectVectorizationFactor(bool OptForSize,
float Cost = expectedCost(1);
unsigned Width = 1;
DEBUG(dbgs() << "LV: Scalar loop costs: "<< (int)Cost << ".\n");
DEBUG(dbgs() << "LV: Scalar loop costs: " << (int)Cost << ".\n");
for (unsigned i=2; i <= VF; i*=2) {
// Notice that the vector loop needs to be executed less times, so
// we need to divide the cost of the vector loops by the width of
// the vector elements.
float VectorCost = expectedCost(i) / (float)i;
DEBUG(dbgs() << "LV: Vector loop of width "<< i << " costs: " <<
DEBUG(dbgs() << "LV: Vector loop of width " << i << " costs: " <<
(int)VectorCost << ".\n");
if (VectorCost < Cost) {
Cost = VectorCost;
@ -4407,7 +4408,7 @@ LoopVectorizationCostModel::selectUnrollFactor(bool OptForSize,
}
if (HasReductions) {
DEBUG(dbgs() << "LV: Unrolling because of reductions. \n");
DEBUG(dbgs() << "LV: Unrolling because of reductions.\n");
return UF;
}
@ -4415,14 +4416,14 @@ LoopVectorizationCostModel::selectUnrollFactor(bool OptForSize,
// We assume that the cost overhead is 1 and we use the cost model
// to estimate the cost of the loop and unroll until the cost of the
// loop overhead is about 5% of the cost of the loop.
DEBUG(dbgs() << "LV: Loop cost is "<< LoopCost <<" \n");
DEBUG(dbgs() << "LV: Loop cost is " << LoopCost << '\n');
if (LoopCost < SmallLoopCost) {
DEBUG(dbgs() << "LV: Unrolling to reduce branch cost. \n");
DEBUG(dbgs() << "LV: Unrolling to reduce branch cost.\n");
unsigned NewUF = SmallLoopCost / (LoopCost + 1);
return std::min(NewUF, UF);
}
DEBUG(dbgs() << "LV: Not Unrolling. \n");
DEBUG(dbgs() << "LV: Not Unrolling.\n");
return 1;
}
@ -4523,16 +4524,16 @@ LoopVectorizationCostModel::calculateRegisterUsage() {
MaxUsage = std::max(MaxUsage, OpenIntervals.size());
DEBUG(dbgs() << "LV(REG): At #" << i << " Interval # " <<
OpenIntervals.size() <<"\n");
OpenIntervals.size() << '\n');
// Add the current instruction to the list of open intervals.
OpenIntervals.insert(I);
}
unsigned Invariant = LoopInvariants.size();
DEBUG(dbgs() << "LV(REG): Found max usage: " << MaxUsage << " \n");
DEBUG(dbgs() << "LV(REG): Found invariant usage: " << Invariant << " \n");
DEBUG(dbgs() << "LV(REG): LoopSize: " << R.NumInstructions << " \n");
DEBUG(dbgs() << "LV(REG): Found max usage: " << MaxUsage << '\n');
DEBUG(dbgs() << "LV(REG): Found invariant usage: " << Invariant << '\n');
DEBUG(dbgs() << "LV(REG): LoopSize: " << R.NumInstructions << '\n');
R.LoopInvariantRegs = Invariant;
R.MaxLocalUsers = MaxUsage;
@ -4556,8 +4557,8 @@ unsigned LoopVectorizationCostModel::expectedCost(unsigned VF) {
unsigned C = getInstructionCost(it, VF);
BlockCost += C;
DEBUG(dbgs() << "LV: Found an estimated cost of "<< C <<" for VF " <<
VF << " For instruction: "<< *it << "\n");
DEBUG(dbgs() << "LV: Found an estimated cost of " << C << " for VF " <<
VF << " For instruction: " << *it << '\n');
}
// We assume that if-converted blocks have a 50% chance of being executed.