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Progress on PR341

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14840 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2004-07-15 02:06:12 +00:00
parent 2fc1230dd6
commit 30b4344767
5 changed files with 36 additions and 35 deletions
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6
lib/Transforms/Utils/SimplifyCFG.cpp
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@@ -567,7 +567,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
// Remove basic blocks that have no predecessors... which are unreachable.
if (pred_begin(BB) == pred_end(BB) ||
*pred_begin(BB) == BB && ++pred_begin(BB) == pred_end(BB)) {
DEBUG(std::cerr << "Removing BB: \n" << BB);
DEBUG(std::cerr << "Removing BB: \n" << *BB);
// Loop through all of our successors and make sure they know that one
// of their predecessors is going away.
@@ -615,7 +615,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
// we cannot do this transformation!
//
if (!PropagatePredecessorsForPHIs(BB, Succ)) {
DEBUG(std::cerr << "Killing Trivial BB: \n" << BB);
DEBUG(std::cerr << "Killing Trivial BB: \n" << *BB);
std::string OldName = BB->getName();
std::vector<BasicBlock*>
@@ -921,7 +921,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
}
if (OnlySucc) {
DEBUG(std::cerr << "Merging: " << BB << "into: " << OnlyPred);
DEBUG(std::cerr << "Merging: " << *BB << "into: " << *OnlyPred);
TerminatorInst *Term = OnlyPred->getTerminator();
// Resolve any PHI nodes at the start of the block. They are all