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[LoopInterchange] Improve debug output. NFC. 

llvm-svn: 280819
This commit is contained in:
Chad Rosier 2016-09-07 15:56:59 +00:00
parent 3a5f40c191
commit f5814f56b8
1 changed files with 6 additions and 4 deletions
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10
llvm/lib/Transforms/Scalar/LoopInterchange.cpp
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@ -122,11 +122,11 @@ static bool populateDependencyMatrix(CharMatrix &DepMatrix, unsigned Level,
if (D->isFlow()) {
// TODO: Handle Flow dependence.Check if it is sufficient to populate
// the Dependence Matrix with the direction reversed.
DEBUG(dbgs() << "Flow dependence not handled");
DEBUG(dbgs() << "Flow dependence not handled\n");
return false;
}
if (D->isAnti()) {
DEBUG(dbgs() << "Found Anti dependence \n");
DEBUG(dbgs() << "Found Anti dependence\n");
unsigned Levels = D->getLevels();
char Direction;
for (unsigned II = 1; II <= Levels; ++II) {
@ -278,7 +278,9 @@ static bool isLegalToInterChangeLoops(CharMatrix &DepMatrix,
static void populateWorklist(Loop &L, SmallVector<LoopVector, 8> &V) {
DEBUG(dbgs() << "Calling populateWorklist called\n");
DEBUG(dbgs() << "Calling populateWorklist on Func: "
<< L.getHeader()->getParent()->getName() << " Loop: %"
<< L.getHeader()->getName() << '\n');
LoopVector LoopList;
Loop *CurrentLoop = &L;
const std::vector<Loop *> *Vec = &CurrentLoop->getSubLoops();
@ -296,6 +298,7 @@ static void populateWorklist(Loop &L, SmallVector<LoopVector, 8> &V) {
}
LoopList.push_back(CurrentLoop);
V.push_back(std::move(LoopList));
DEBUG(dbgs() << "Worklist size = " << V.size() << "\n");
}
static PHINode *getInductionVariable(Loop *L, ScalarEvolution *SE) {
@ -461,7 +464,6 @@ struct LoopInterchange : public FunctionPass {
for (Loop *L : *LI)
populateWorklist(*L, Worklist);
DEBUG(dbgs() << "Worklist size = " << Worklist.size() << "\n");
bool Changed = true;
while (!Worklist.empty()) {
LoopVector LoopList = Worklist.pop_back_val();