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land David Blaikie's patch to de-constify Type, with a few tweaks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2011-07-18 04:54:35 +00:00
parent 4b3d5469fb
commit db125cfaf5
206 changed files with 2029 additions and 2030 deletions
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lib/Transforms/Scalar/SCCP.cpp
+10 -10
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@@ -241,7 +241,7 @@ public:
/// this method must be called.
void AddTrackedFunction(Function *F) {
// Add an entry, F -> undef.
if (const StructType *STy = dyn_cast<StructType>(F->getReturnType())) {
if (StructType *STy = dyn_cast<StructType>(F->getReturnType())) {
MRVFunctionsTracked.insert(F);
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i)
TrackedMultipleRetVals.insert(std::make_pair(std::make_pair(F, i),
@@ -302,7 +302,7 @@ public:
/// markAnythingOverdefined - Mark the specified value overdefined. This
/// works with both scalars and structs.
void markAnythingOverdefined(Value *V) {
if (const StructType *STy = dyn_cast<StructType>(V->getType()))
if (StructType *STy = dyn_cast<StructType>(V->getType()))
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i)
markOverdefined(getStructValueState(V, i), V);
else
@@ -417,7 +417,7 @@ private:
else if (ConstantStruct *CS = dyn_cast<ConstantStruct>(C))
LV.markConstant(CS->getOperand(i)); // Constants are constant.
else if (isa<ConstantAggregateZero>(C)) {
const Type *FieldTy = cast<StructType>(V->getType())->getElementType(i);
Type *FieldTy = cast<StructType>(V->getType())->getElementType(i);
LV.markConstant(Constant::getNullValue(FieldTy));
} else
LV.markOverdefined(); // Unknown sort of constant.
@@ -772,7 +772,7 @@ void SCCPSolver::visitReturnInst(ReturnInst &I) {
// Handle functions that return multiple values.
if (!TrackedMultipleRetVals.empty()) {
if (const StructType *STy = dyn_cast<StructType>(ResultOp->getType()))
if (StructType *STy = dyn_cast<StructType>(ResultOp->getType()))
if (MRVFunctionsTracked.count(F))
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i)
mergeInValue(TrackedMultipleRetVals[std::make_pair(F, i)], F,
@@ -825,7 +825,7 @@ void SCCPSolver::visitExtractValueInst(ExtractValueInst &EVI) {
}
void SCCPSolver::visitInsertValueInst(InsertValueInst &IVI) {
const StructType *STy = dyn_cast<StructType>(IVI.getType());
StructType *STy = dyn_cast<StructType>(IVI.getType());
if (STy == 0)
return markOverdefined(&IVI);
@@ -925,7 +925,7 @@ void SCCPSolver::visitBinaryOperator(Instruction &I) {
// Could annihilate value.
if (I.getOpcode() == Instruction::And)
markConstant(IV, &I, Constant::getNullValue(I.getType()));
else if (const VectorType *PT = dyn_cast<VectorType>(I.getType()))
else if (VectorType *PT = dyn_cast<VectorType>(I.getType()))
markConstant(IV, &I, Constant::getAllOnesValue(PT));
else
markConstant(IV, &I,
@@ -1303,7 +1303,7 @@ CallOverdefined:
continue;
}
if (const StructType *STy = dyn_cast<StructType>(AI->getType())) {
if (StructType *STy = dyn_cast<StructType>(AI->getType())) {
for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
LatticeVal CallArg = getStructValueState(*CAI, i);
mergeInValue(getStructValueState(AI, i), AI, CallArg);
@@ -1315,7 +1315,7 @@ CallOverdefined:
}
// If this is a single/zero retval case, see if we're tracking the function.
if (const StructType *STy = dyn_cast<StructType>(F->getReturnType())) {
if (StructType *STy = dyn_cast<StructType>(F->getReturnType())) {
if (!MRVFunctionsTracked.count(F))
goto CallOverdefined; // Not tracking this callee.
@@ -1419,7 +1419,7 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) {
// Look for instructions which produce undef values.
if (I->getType()->isVoidTy()) continue;
if (const StructType *STy = dyn_cast<StructType>(I->getType())) {
if (StructType *STy = dyn_cast<StructType>(I->getType())) {
// Only a few things that can be structs matter for undef. Just send
// all their results to overdefined. We could be more precise than this
// but it isn't worth bothering.
@@ -1457,7 +1457,7 @@ bool SCCPSolver::ResolvedUndefsIn(Function &F) {
// If this is an instructions whose result is defined even if the input is
// not fully defined, propagate the information.
const Type *ITy = I->getType();
Type *ITy = I->getType();
switch (I->getOpcode()) {
default: break; // Leave the instruction as an undef.
case Instruction::ZExt: