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Implementation of Store & GetElementPtr

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2001-07-08 23:22:50 +00:00
parent 0bd654a049
commit ab5ac6bb38
11 changed files with 646 additions and 442 deletions
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95
include/llvm/iMemory.h
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@@ -11,6 +11,13 @@
#include "llvm/Instruction.h"
#include "llvm/DerivedTypes.h"
//===----------------------------------------------------------------------===//
// AllocationInst Class
//===----------------------------------------------------------------------===//
//
// AllocationInst - This class is the common base class of MallocInst and
// AllocaInst.
//
class AllocationInst : public Instruction {
public:
AllocationInst(const Type *Ty, Value *ArraySize, unsigned iTy,
@@ -38,6 +45,10 @@ public:
};
//===----------------------------------------------------------------------===//
// MallocInst Class
//===----------------------------------------------------------------------===//
class MallocInst : public AllocationInst {
public:
MallocInst(const Type *Ty, Value *ArraySize = 0, const string &Name = "")
@@ -51,6 +62,10 @@ public:
};
//===----------------------------------------------------------------------===//
// AllocaInst Class
//===----------------------------------------------------------------------===//
class AllocaInst : public AllocationInst {
public:
AllocaInst(const Type *Ty, Value *ArraySize = 0, const string &Name = "")
@@ -64,6 +79,10 @@ public:
};
//===----------------------------------------------------------------------===//
// FreeInst Class
//===----------------------------------------------------------------------===//
class FreeInst : public Instruction {
public:
FreeInst(Value *Ptr, const string &Name = "")
@@ -79,8 +98,36 @@ public:
};
class LoadInst : public Instruction {
LoadInst(const LoadInst &LI) : Instruction(LI.getType(), Load) {
//===----------------------------------------------------------------------===//
// MemAccessInst Class
//===----------------------------------------------------------------------===//
//
// MemAccessInst - Common base class of LoadInst, StoreInst, and
// GetElementPtrInst...
//
class MemAccessInst : public Instruction {
protected:
inline MemAccessInst(const Type *Ty, unsigned Opcode, const string &Nam = "")
: Instruction(Ty, Opcode, Nam) {}
public:
// getIndexedType - Returns the type of the element that would be loaded with
// a load instruction with the specified parameters.
//
// A null type is returned if the indices are invalid for the specified
// pointer type.
//
static const Type *getIndexedType(const Type *Ptr,
const vector<ConstPoolVal*> &Indices,
bool AllowStructLeaf = false);
};
//===----------------------------------------------------------------------===//
// LoadInst Class
//===----------------------------------------------------------------------===//
class LoadInst : public MemAccessInst {
LoadInst(const LoadInst &LI) : MemAccessInst(LI.getType(), Load) {
Operands.reserve(LI.Operands.size());
for (unsigned i = 0, E = LI.Operands.size(); i != E; ++i)
Operands.push_back(Use(LI.Operands[i], this));
@@ -90,15 +137,43 @@ public:
const string &Name = "");
virtual Instruction *clone() const { return new LoadInst(*this); }
virtual const char *getOpcodeName() const { return "load"; }
};
// getIndexedType - Returns the type of the element that would be loaded with
// a load instruction with the specified parameters.
//
// A null type is returned if the indices are invalid for the specified
// pointer type.
//
static const Type *getIndexedType(const Type *Ptr,
const vector<ConstPoolVal*> &);
//===----------------------------------------------------------------------===//
// StoreInst Class
//===----------------------------------------------------------------------===//
class StoreInst : public MemAccessInst {
StoreInst(const StoreInst &SI) : MemAccessInst(SI.getType(), Store) {
Operands.reserve(SI.Operands.size());
for (unsigned i = 0, E = SI.Operands.size(); i != E; ++i)
Operands.push_back(Use(SI.Operands[i], this));
}
public:
StoreInst(Value *Val, Value *Ptr, const vector<ConstPoolVal*> &Idx,
const string &Name = "");
virtual Instruction *clone() const { return new StoreInst(*this); }
virtual const char *getOpcodeName() const { return "store"; }
};
//===----------------------------------------------------------------------===//
// GetElementPtrInst Class
//===----------------------------------------------------------------------===//
class GetElementPtrInst : public MemAccessInst {
GetElementPtrInst(const GetElementPtrInst &EPI)
: MemAccessInst(EPI.getType(), GetElementPtr) {
Operands.reserve(EPI.Operands.size());
for (unsigned i = 0, E = EPI.Operands.size(); i != E; ++i)
Operands.push_back(Use(EPI.Operands[i], this));
}
public:
GetElementPtrInst(Value *Ptr, const vector<ConstPoolVal*> &Idx,
const string &Name = "");
virtual Instruction *clone() const { return new GetElementPtrInst(*this); }
virtual const char *getOpcodeName() const { return "getelementptr"; }
};
#endif // LLVM_IMEMORY_H