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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
Download Patch File Download Diff File Expand all files Collapse all files

35
lib/Transforms/IPO/GlobalOpt.cpp
View File

@@ -546,8 +546,8 @@ static GlobalVariable *SRAGlobal(GlobalVariable *GV) {
Idxs.push_back(NullInt);
for (unsigned i = 3, e = GEPI->getNumOperands(); i != e; ++i)
Idxs.push_back(GEPI->getOperand(i));
NewPtr = new GetElementPtrInst(NewPtr, Idxs.begin(), Idxs.end(),
GEPI->getName()+"."+utostr(Val), GEPI);
NewPtr = GetElementPtrInst::Create(NewPtr, Idxs.begin(), Idxs.end(),
GEPI->getName()+"."+utostr(Val), GEPI);
}
}
GEP->replaceAllUsesWith(NewPtr);
@@ -789,8 +789,8 @@ static GlobalVariable *OptimizeGlobalAddressOfMalloc(GlobalVariable *GV,
MI->getAlignment(), MI->getName(), MI);
Value* Indices[2];
Indices[0] = Indices[1] = Constant::getNullValue(Type::Int32Ty);
Value *NewGEP = new GetElementPtrInst(NewMI, Indices, Indices + 2,
NewMI->getName()+".el0", MI);
Value *NewGEP = GetElementPtrInst::Create(NewMI, Indices, Indices + 2,
NewMI->getName()+".el0", MI);
MI->replaceAllUsesWith(NewGEP);
MI->eraseFromParent();
MI = NewMI;
@@ -1054,8 +1054,8 @@ static void RewriteHeapSROALoadUser(LoadInst *Load, Instruction *LoadUser,
GEPIdx.push_back(GEPI->getOperand(1));
GEPIdx.append(GEPI->op_begin()+3, GEPI->op_end());
Value *NGEPI = new GetElementPtrInst(NewPtr, GEPIdx.begin(), GEPIdx.end(),
GEPI->getName(), GEPI);
Value *NGEPI = GetElementPtrInst::Create(NewPtr, GEPIdx.begin(), GEPIdx.end(),
GEPI->getName(), GEPI);
GEPI->replaceAllUsesWith(NGEPI);
GEPI->eraseFromParent();
return;
@@ -1070,8 +1070,8 @@ static void RewriteHeapSROALoadUser(LoadInst *Load, Instruction *LoadUser,
for (unsigned i = 0, e = FieldGlobals.size(); i != e; ++i) {
Value *LoadV = GetHeapSROALoad(Load, i, FieldGlobals, InsertedLoadsForPtr);
PHINode *FieldPN = new PHINode(LoadV->getType(),
PN->getName()+"."+utostr(i), PN);
PHINode *FieldPN = PHINode::Create(LoadV->getType(),
PN->getName()+"."+utostr(i), PN);
// Fill in the predecessor values.
for (unsigned pred = 0, e = PN->getNumIncomingValues(); pred != e; ++pred) {
// Each predecessor either uses the load or the original malloc.
@@ -1173,13 +1173,13 @@ static GlobalVariable *PerformHeapAllocSRoA(GlobalVariable *GV, MallocInst *MI){
// Create the block to check the first condition. Put all these blocks at the
// end of the function as they are unlikely to be executed.
BasicBlock *NullPtrBlock = new BasicBlock("malloc_ret_null",
OrigBB->getParent());
BasicBlock *NullPtrBlock = BasicBlock::Create("malloc_ret_null",
OrigBB->getParent());
// Remove the uncond branch from OrigBB to ContBB, turning it into a cond
// branch on RunningOr.
OrigBB->getTerminator()->eraseFromParent();
new BranchInst(NullPtrBlock, ContBB, RunningOr, OrigBB);
BranchInst::Create(NullPtrBlock, ContBB, RunningOr, OrigBB);
// Within the NullPtrBlock, we need to emit a comparison and branch for each
// pointer, because some may be null while others are not.
@@ -1188,21 +1188,20 @@ static GlobalVariable *PerformHeapAllocSRoA(GlobalVariable *GV, MallocInst *MI){
Value *Cmp = new ICmpInst(ICmpInst::ICMP_NE, GVVal,
Constant::getNullValue(GVVal->getType()),
"tmp", NullPtrBlock);
BasicBlock *FreeBlock = new BasicBlock("free_it", OrigBB->getParent());
BasicBlock *NextBlock = new BasicBlock("next", OrigBB->getParent());
new BranchInst(FreeBlock, NextBlock, Cmp, NullPtrBlock);
BasicBlock *FreeBlock = BasicBlock::Create("free_it", OrigBB->getParent());
BasicBlock *NextBlock = BasicBlock::Create("next", OrigBB->getParent());
BranchInst::Create(FreeBlock, NextBlock, Cmp, NullPtrBlock);
// Fill in FreeBlock.
new FreeInst(GVVal, FreeBlock);
new StoreInst(Constant::getNullValue(GVVal->getType()), FieldGlobals[i],
FreeBlock);
new BranchInst(NextBlock, FreeBlock);
BranchInst::Create(NextBlock, FreeBlock);
NullPtrBlock = NextBlock;
}
new BranchInst(ContBB, NullPtrBlock);
BranchInst::Create(ContBB, NullPtrBlock);
// MI is no longer needed, remove it.
MI->eraseFromParent();
@@ -1411,7 +1410,7 @@ static bool TryToShrinkGlobalToBoolean(GlobalVariable *GV, Constant *OtherVal) {
if (IsOneZero)
NSI = new ZExtInst(NLI, LI->getType(), "", LI);
else
NSI = new SelectInst(NLI, OtherVal, InitVal, "", LI);
NSI = SelectInst::Create(NLI, OtherVal, InitVal, "", LI);
NSI->takeName(LI);
LI->replaceAllUsesWith(NSI);
}