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Fix various DOUTs to not call the extremely expensive Value::getName()

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method.  DOUT statements are disabled when assertions are off, but the
side effects of getName() are still evaluated.  Just call getNameSTart,
which is close enough and doesn't cause heap traffic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50958 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-05-11 01:55:59 +00:00
parent 3a73c9e5f9
commit 5c8e8d7fc5
1 changed files with 5 additions and 5 deletions
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10
lib/Transforms/Scalar/SCCP.cpp
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@ -179,7 +179,7 @@ public:
/// MarkBlockExecutable - This method can be used by clients to mark all of
/// the blocks that are known to be intrinsically live in the processed unit.
void MarkBlockExecutable(BasicBlock *BB) {
DOUT << "Marking Block Executable: " << BB->getName() << "\n";
DOUT << "Marking Block Executable: " << BB->getNameStart() << "\n";
BBExecutable.insert(BB); // Basic block is executable!
BBWorkList.push_back(BB); // Add the block to the work list!
}
@ -334,8 +334,8 @@ private:
return; // This edge is already known to be executable!
if (BBExecutable.count(Dest)) {
DOUT << "Marking Edge Executable: " << Source->getName()
<< " -> " << Dest->getName() << "\n";
DOUT << "Marking Edge Executable: " << Source->getNameStart()
<< " -> " << Dest->getNameStart() << "\n";
// The destination is already executable, but we just made an edge
// feasible that wasn't before. Revisit the PHI nodes in the block
@ -1451,7 +1451,7 @@ FunctionPass *llvm::createSCCPPass() {
// and return true if the function was modified.
//
bool SCCP::runOnFunction(Function &F) {
DOUT << "SCCP on function '" << F.getName() << "'\n";
DOUT << "SCCP on function '" << F.getNameStart() << "'\n";
SCCPSolver Solver;
// Mark the first block of the function as being executable.
@ -1774,7 +1774,7 @@ bool IPSCCP::runOnModule(Module &M) {
GlobalVariable *GV = I->first;
assert(!I->second.isOverdefined() &&
"Overdefined values should have been taken out of the map!");
DOUT << "Found that GV '" << GV->getName()<< "' is constant!\n";
DOUT << "Found that GV '" << GV->getNameStart() << "' is constant!\n";
while (!GV->use_empty()) {
StoreInst *SI = cast<StoreInst>(GV->use_back());
SI->eraseFromParent();