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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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41
lib/Transforms/LevelRaise.cpp
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@@ -137,7 +137,7 @@ static bool HandleCastToPointer(BasicBlock::iterator BI,
// Cannot handle subtracts if there is more than one index required...
if (HasSubUse && Indices.size() != 1) return false;
PRINT_PEEPHOLE2("cast-add-to-gep:in", Src, CI);
PRINT_PEEPHOLE2("cast-add-to-gep:in", *Src, CI);
// If we have a getelementptr capability... transform all of the
// add instruction uses into getelementptr's.
@@ -151,7 +151,7 @@ static bool HandleCastToPointer(BasicBlock::iterator BI,
Value *OtherPtr = I->getOperand((I->getOperand(0) == &CI) ? 1 : 0);
Instruction *GEP = new GetElementPtrInst(OtherPtr, Indices, I->getName());
PRINT_PEEPHOLE1("cast-add-to-gep:i", I);
PRINT_PEEPHOLE1("cast-add-to-gep:i", *I);
// If the instruction is actually a subtract, we are guaranteed to only have
// one index (from code above), so we just need to negate the pointer index
@@ -173,14 +173,14 @@ static bool HandleCastToPointer(BasicBlock::iterator BI,
// Insert the GEP instruction before the old add instruction...
I->getParent()->getInstList().insert(I, GEP);
PRINT_PEEPHOLE1("cast-add-to-gep:o", GEP);
PRINT_PEEPHOLE1("cast-add-to-gep:o", *GEP);
GEP = new CastInst(GEP, I->getType());
// Replace the old add instruction with the shiny new GEP inst
ReplaceInstWithInst(I, GEP);
}
PRINT_PEEPHOLE1("cast-add-to-gep:o", GEP);
PRINT_PEEPHOLE1("cast-add-to-gep:o", *GEP);
}
return true;
}
@@ -220,9 +220,9 @@ static bool PeepholeOptimizeAddCast(BasicBlock *BB, BasicBlock::iterator &BI,
return false; // Not convertible... perhaps next time
if (getPointedToComposite(AddOp1->getType())) { // case 1
PRINT_PEEPHOLE2("add-to-gep1:in", AddOp2, *BI);
PRINT_PEEPHOLE2("add-to-gep1:in", *AddOp2, *BI);
} else {
PRINT_PEEPHOLE3("add-to-gep2:in", AddOp1, AddOp2, *BI);
PRINT_PEEPHOLE3("add-to-gep2:in", *AddOp1, *AddOp2, *BI);
}
GetElementPtrInst *GEP = new GetElementPtrInst(SrcPtr, Indices,
@@ -230,7 +230,7 @@ static bool PeepholeOptimizeAddCast(BasicBlock *BB, BasicBlock::iterator &BI,
Instruction *NCI = new CastInst(GEP, AddOp1->getType());
ReplaceInstWithInst(BB->getInstList(), BI, NCI);
PRINT_PEEPHOLE2("add-to-gep:out", GEP, NCI);
PRINT_PEEPHOLE2("add-to-gep:out", *GEP, *NCI);
return true;
}
@@ -249,7 +249,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// Into: <nothing>
//
if (DestTy == Src->getType()) { // Check for a cast to same type as src!!
PRINT_PEEPHOLE1("cast-of-self-ty", CI);
PRINT_PEEPHOLE1("cast-of-self-ty", *CI);
CI->replaceAllUsesWith(Src);
if (!Src->hasName() && CI->hasName()) {
std::string Name = CI->getName();
@@ -276,7 +276,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
//
ConvertedTypes[CI] = CI->getType(); // Make sure the cast doesn't change
if (ExpressionConvertibleToType(Src, DestTy, ConvertedTypes, TD)) {
PRINT_PEEPHOLE3("CAST-SRC-EXPR-CONV:in ", Src, CI, BB->getParent());
PRINT_PEEPHOLE3("CAST-SRC-EXPR-CONV:in ", *Src, *CI, *BB->getParent());
DEBUG(std::cerr << "\nCONVERTING SRC EXPR TYPE:\n");
{ // ValueMap must be destroyed before function verified!
@@ -286,9 +286,9 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
if (Constant *CPV = dyn_cast<Constant>(E))
CI->replaceAllUsesWith(CPV);
PRINT_PEEPHOLE1("CAST-SRC-EXPR-CONV:out", E);
PRINT_PEEPHOLE1("CAST-SRC-EXPR-CONV:out", *E);
DEBUG(std::cerr << "DONE CONVERTING SRC EXPR TYPE: \n"
<< BB->getParent());
<< *BB->getParent());
}
BI = BB->begin(); // Rescan basic block. BI might be invalidated.
@@ -303,7 +303,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// Make sure the source doesn't change type
ConvertedTypes[Src] = Src->getType();
if (ValueConvertibleToType(CI, Src->getType(), ConvertedTypes, TD)) {
PRINT_PEEPHOLE3("CAST-DEST-EXPR-CONV:in ", Src, CI, BB->getParent());
PRINT_PEEPHOLE3("CAST-DEST-EXPR-CONV:in ", *Src, *CI, *BB->getParent());
DEBUG(std::cerr << "\nCONVERTING EXPR TYPE:\n");
{ // ValueMap must be destroyed before function verified!
@@ -311,8 +311,9 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
ConvertValueToNewType(CI, Src, ValueMap, TD); // This will delete CI!
}
PRINT_PEEPHOLE1("CAST-DEST-EXPR-CONV:out", Src);
DEBUG(std::cerr << "DONE CONVERTING EXPR TYPE: \n\n" << BB->getParent());
PRINT_PEEPHOLE1("CAST-DEST-EXPR-CONV:out", *Src);
DEBUG(std::cerr << "DONE CONVERTING EXPR TYPE: \n\n" <<
*BB->getParent());
BI = BB->begin(); // Rescan basic block. BI might be invalidated.
++NumExprTreesConv;
@@ -398,7 +399,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// Did we find what we were looking for? If so, do the transformation
if (ElTy) {
PRINT_PEEPHOLE1("cast-for-first:in", CI);
PRINT_PEEPHOLE1("cast-for-first:in", *CI);
std::string Name = CI->getName(); CI->setName("");
@@ -411,7 +412,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
//
CI->setOperand(0, GEP);
PRINT_PEEPHOLE2("cast-for-first:out", GEP, CI);
PRINT_PEEPHOLE2("cast-for-first:out", *GEP, *CI);
++NumGEPInstFormed;
return true;
}
@@ -440,7 +441,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
if (const PointerType *CSPT = dyn_cast<PointerType>(CastSrc->getType()))
// convertible types?
if (Val->getType()->isLosslesslyConvertibleTo(CSPT->getElementType())) {
PRINT_PEEPHOLE3("st-src-cast:in ", Pointer, Val, SI);
PRINT_PEEPHOLE3("st-src-cast:in ", *Pointer, *Val, *SI);
// Insert the new T cast instruction... stealing old T's name
std::string Name(CI->getName()); CI->setName("");
@@ -450,7 +451,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// Replace the old store with a new one!
ReplaceInstWithInst(BB->getInstList(), BI,
SI = new StoreInst(NCI, CastSrc));
PRINT_PEEPHOLE3("st-src-cast:out", NCI, CastSrc, SI);
PRINT_PEEPHOLE3("st-src-cast:out", *NCI, *CastSrc, *SI);
++NumLoadStorePeepholes;
return true;
}
@@ -478,7 +479,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
if (const PointerType *CSPT = dyn_cast<PointerType>(CastSrc->getType()))
// convertible types?
if (PtrElType->isLosslesslyConvertibleTo(CSPT->getElementType())) {
PRINT_PEEPHOLE2("load-src-cast:in ", Pointer, LI);
PRINT_PEEPHOLE2("load-src-cast:in ", *Pointer, *LI);
// Create the new load instruction... loading the pre-casted value
LoadInst *NewLI = new LoadInst(CastSrc, LI->getName(), BI);
@@ -488,7 +489,7 @@ bool RPR::PeepholeOptimize(BasicBlock *BB, BasicBlock::iterator &BI) {
// Replace the old store with a new one!
ReplaceInstWithInst(BB->getInstList(), BI, NCI);
PRINT_PEEPHOLE3("load-src-cast:out", NCI, CastSrc, NewLI);
PRINT_PEEPHOLE3("load-src-cast:out", *NCI, *CastSrc, *NewLI);
++NumLoadStorePeepholes;
return true;
}