#include "llvm/Transforms/Utils/ValueMapper.h"
#include "llvm/BasicBlock.h"
+#include "llvm/DerivedTypes.h" // For getNullValue(Type::Int32Ty)
#include "llvm/Constants.h"
#include "llvm/GlobalValue.h"
#include "llvm/Instruction.h"
#include "llvm/LLVMContext.h"
-#include "llvm/MDNode.h"
+#include "llvm/Metadata.h"
#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
using namespace llvm;
-Value *llvm::MapValue(const Value *V, ValueMapTy &VM, LLVMContext *Context) {
+Value *llvm::MapValue(const Value *V, ValueMapTy &VM, LLVMContext &Context) {
Value *&VMSlot = VM[V];
if (VMSlot) return VMSlot; // Does it exist in the map yet?
// NOTE: VMSlot can be invalidated by any reference to VM, which can grow the
// DenseMap. This includes any recursive calls to MapValue.
- // Global values do not need to be seeded into the ValueMap if they are using
- // the identity mapping.
- if (isa<GlobalValue>(V) || isa<InlineAsm>(V))
+ // Global values and metadata do not need to be seeded into the ValueMap if
+ // they are using the identity mapping.
+ if (isa<GlobalValue>(V) || isa<InlineAsm>(V) || isa<MetadataBase>(V))
return VMSlot = const_cast<Value*>(V);
if (Constant *C = const_cast<Constant*>(dyn_cast<Constant>(V))) {
Values.push_back(cast<Constant>(MV));
for (++i; i != e; ++i)
Values.push_back(cast<Constant>(MapValue(*i, VM, Context)));
- return VM[V] = Context->getConstantArray(CA->getType(), Values);
+ return VM[V] = ConstantArray::get(CA->getType(), Values);
}
}
return VM[V] = C;
Values.push_back(cast<Constant>(MV));
for (++i; i != e; ++i)
Values.push_back(cast<Constant>(MapValue(*i, VM, Context)));
- return VM[V] = Context->getConstantStruct(CS->getType(), Values);
+ return VM[V] = ConstantStruct::get(CS->getType(), Values);
}
}
return VM[V] = C;
Values.push_back(cast<Constant>(MV));
for (++i; i != e; ++i)
Values.push_back(cast<Constant>(MapValue(*i, VM, Context)));
- return VM[V] = Context->getConstantVector(Values);
+ return VM[V] = ConstantVector::get(Values);
}
}
return VM[V] = C;
- } else if (MDNode *N = dyn_cast<MDNode>(C)) {
- for (MDNode::const_elem_iterator b = N->elem_begin(), i = b,
- e = N->elem_end(); i != e; ++i) {
- if (!*i) continue;
-
- Value *MV = MapValue(*i, VM, Context);
- if (MV != *i) {
- // This MDNode must contain a reference to a global, make a new MDNode
- // and return it.
- SmallVector<Value*, 8> Values;
- Values.reserve(N->getNumElements());
- for (MDNode::const_elem_iterator j = b; j != i; ++j)
- Values.push_back(*j);
- Values.push_back(MV);
- for (++i; i != e; ++i)
- Values.push_back(MapValue(*i, VM, Context));
- return VM[V] = Context->getMDNode(Values.data(), Values.size());
- }
- }
- return VM[V] = C;
-
} else {
- assert(0 && "Unknown type of constant!");
+ llvm_unreachable("Unknown type of constant!");
}
}
-
return 0;
}