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add some helpful accessors.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114400 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-09-21 05:39:30 +00:00
parent 5c5cb2a171
commit 40a858f6e7
3 changed files with 21 additions and 0 deletions
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9
include/llvm/CodeGen/MachineMemOperand.h
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@ -39,6 +39,15 @@ struct MachinePointerInfo {
explicit MachinePointerInfo(const Value *v, int64_t offset = 0) explicit MachinePointerInfo(const Value *v, int64_t offset = 0)
: V(v), Offset(offset) {} : V(v), Offset(offset) {}
MachinePointerInfo getWithOffset(int64_t O) const {
if (V == 0) return MachinePointerInfo(0, 0);
return MachinePointerInfo(V, Offset+O);
}
/// getAddrSpace - Return the LLVM IR address space number that this pointer
/// points into.
unsigned getAddrSpace() const;
}; };

4
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -909,6 +909,10 @@ public:
/// reference performed by operation. /// reference performed by operation.
MachineMemOperand *getMemOperand() const { return MMO; } MachineMemOperand *getMemOperand() const { return MMO; }
const MachinePointerInfo &getPointerInfo() const {
return MMO->getPointerInfo();
}
/// refineAlignment - Update this MemSDNode's MachineMemOperand information /// refineAlignment - Update this MemSDNode's MachineMemOperand information
/// to reflect the alignment of NewMMO, if it has a greater alignment. /// to reflect the alignment of NewMMO, if it has a greater alignment.
/// This must only be used when the new alignment applies to all users of /// This must only be used when the new alignment applies to all users of

8
lib/CodeGen/MachineInstr.cpp
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@ -335,6 +335,14 @@ void MachineOperand::print(raw_ostream &OS, const TargetMachine *TM) const {
// MachineMemOperand Implementation // MachineMemOperand Implementation
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
/// getAddrSpace - Return the LLVM IR address space number that this pointer
/// points into.
unsigned MachinePointerInfo::getAddrSpace() const {
if (V == 0) return 0;
return cast<PointerType>(V->getType())->getAddressSpace();
}
MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, unsigned f, MachineMemOperand::MachineMemOperand(MachinePointerInfo ptrinfo, unsigned f,
uint64_t s, unsigned int a) uint64_t s, unsigned int a)
: PtrInfo(ptrinfo), Size(s), : PtrInfo(ptrinfo), Size(s),