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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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12
lib/CodeGen/ShadowStackGC.cpp
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@ -61,7 +61,7 @@ namespace {
private:
bool IsNullValue(Value *V);
Constant *GetFrameMap(Function &F);
const Type* GetConcreteStackEntryType(Function &F);
Type* GetConcreteStackEntryType(Function &F);
void CollectRoots(Function &F);
static GetElementPtrInst *CreateGEP(LLVMContext &Context,
IRBuilder<> &B, Value *BasePtr,
@ -190,7 +190,7 @@ ShadowStackGC::ShadowStackGC() : Head(0), StackEntryTy(0) {
Constant *ShadowStackGC::GetFrameMap(Function &F) {
// doInitialization creates the abstract type of this value.
const Type *VoidPtr = Type::getInt8PtrTy(F.getContext());
Type *VoidPtr = Type::getInt8PtrTy(F.getContext());
// Truncate the ShadowStackDescriptor if some metadata is null.
unsigned NumMeta = 0;
@ -203,7 +203,7 @@ Constant *ShadowStackGC::GetFrameMap(Function &F) {
}
Metadata.resize(NumMeta);
const Type *Int32Ty = Type::getInt32Ty(F.getContext());
Type *Int32Ty = Type::getInt32Ty(F.getContext());
Constant *BaseElts[] = {
ConstantInt::get(Int32Ty, Roots.size(), false),
@ -244,7 +244,7 @@ Constant *ShadowStackGC::GetFrameMap(Function &F) {
return ConstantExpr::getGetElementPtr(GV, GEPIndices, 2);
}
const Type* ShadowStackGC::GetConcreteStackEntryType(Function &F) {
Type* ShadowStackGC::GetConcreteStackEntryType(Function &F) {
// doInitialization creates the generic version of this type.
std::vector<Type*> EltTys;
EltTys.push_back(StackEntryTy);
@ -282,7 +282,7 @@ bool ShadowStackGC::initializeCustomLowering(Module &M) {
EltTys.push_back(PointerType::getUnqual(StackEntryTy));
EltTys.push_back(FrameMapPtrTy);
StackEntryTy->setBody(EltTys);
const PointerType *StackEntryPtrTy = PointerType::getUnqual(StackEntryTy);
PointerType *StackEntryPtrTy = PointerType::getUnqual(StackEntryTy);
// Get the root chain if it already exists.
Head = M.getGlobalVariable("llvm_gc_root_chain");
@ -373,7 +373,7 @@ bool ShadowStackGC::performCustomLowering(Function &F) {
// Build the constant map and figure the type of the shadow stack entry.
Value *FrameMap = GetFrameMap(F);
const Type *ConcreteStackEntryTy = GetConcreteStackEntryType(F);
Type *ConcreteStackEntryTy = GetConcreteStackEntryType(F);
// Build the shadow stack entry at the very start of the function.
BasicBlock::iterator IP = F.getEntryBlock().begin();