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API changes for class Use size reduction, wave 1.

Browse Source 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2008-04-06 20:25:17 +00:00
parent d963ab1f58
commit 051a950000
73 changed files with 979 additions and 692 deletions
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24
lib/Transforms/Utils/UnifyFunctionExitNodes.cpp
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@@ -69,14 +69,14 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
} else if (UnwindingBlocks.size() == 1) {
UnwindBlock = UnwindingBlocks.front();
} else {
UnwindBlock = new BasicBlock("UnifiedUnwindBlock", &F);
UnwindBlock = BasicBlock::Create("UnifiedUnwindBlock", &F);
new UnwindInst(UnwindBlock);
for (std::vector<BasicBlock*>::iterator I = UnwindingBlocks.begin(),
E = UnwindingBlocks.end(); I != E; ++I) {
BasicBlock *BB = *I;
BB->getInstList().pop_back(); // Remove the unwind insn
new BranchInst(UnwindBlock, BB);
BranchInst::Create(UnwindBlock, BB);
}
}
@@ -86,14 +86,14 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
} else if (UnreachableBlocks.size() == 1) {
UnreachableBlock = UnreachableBlocks.front();
} else {
UnreachableBlock = new BasicBlock("UnifiedUnreachableBlock", &F);
UnreachableBlock = BasicBlock::Create("UnifiedUnreachableBlock", &F);
new UnreachableInst(UnreachableBlock);
for (std::vector<BasicBlock*>::iterator I = UnreachableBlocks.begin(),
E = UnreachableBlocks.end(); I != E; ++I) {
BasicBlock *BB = *I;
BB->getInstList().pop_back(); // Remove the unreachable inst.
new BranchInst(UnreachableBlock, BB);
BranchInst::Create(UnreachableBlock, BB);
}
}
@@ -110,27 +110,27 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
// nodes (if the function returns values), and convert all of the return
// instructions into unconditional branches.
//
BasicBlock *NewRetBlock = new BasicBlock("UnifiedReturnBlock", &F);
BasicBlock *NewRetBlock = BasicBlock::Create("UnifiedReturnBlock", &F);
SmallVector<Value *, 4> Phis;
unsigned NumRetVals = ReturningBlocks[0]->getTerminator()->getNumOperands();
if (NumRetVals == 0)
new ReturnInst(NULL, NewRetBlock);
ReturnInst::Create(NULL, NewRetBlock);
else if (const StructType *STy = dyn_cast<StructType>(F.getReturnType())) {
Instruction *InsertPt = NewRetBlock->getFirstNonPHI();
for (unsigned i = 0; i < NumRetVals; ++i) {
PHINode *PN = new PHINode(STy->getElementType(i), "UnifiedRetVal."
+ utostr(i), InsertPt);
PHINode *PN = PHINode::Create(STy->getElementType(i), "UnifiedRetVal."
+ utostr(i), InsertPt);
Phis.push_back(PN);
}
new ReturnInst(&Phis[0], NumRetVals);
ReturnInst::Create(&Phis[0], NumRetVals);
}
else {
// If the function doesn't return void... add a PHI node to the block...
PHINode *PN = new PHINode(F.getReturnType(), "UnifiedRetVal");
PHINode *PN = PHINode::Create(F.getReturnType(), "UnifiedRetVal");
NewRetBlock->getInstList().push_back(PN);
Phis.push_back(PN);
new ReturnInst(PN, NewRetBlock);
ReturnInst::Create(PN, NewRetBlock);
}
// Loop over all of the blocks, replacing the return instruction with an
@@ -149,7 +149,7 @@ bool UnifyFunctionExitNodes::runOnFunction(Function &F) {
}
BB->getInstList().pop_back(); // Remove the return insn
new BranchInst(NewRetBlock, BB);
BranchInst::Create(NewRetBlock, BB);
}
ReturnBlock = NewRetBlock;
return true;