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Use a MachineConstantPoolEntry struct instead of a pair to hold

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constant pool entries.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-02-09 04:21:49 +00:00
parent 74b7d27ab1
commit 69a9563969
1 changed files with 15 additions and 5 deletions
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22
include/llvm/CodeGen/MachineConstantPool.h
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@ -30,10 +30,20 @@ namespace llvm {
class Constant; class Constant;
class MachineConstantPool { /// MachineConstantPoolEntry - One entry in the constant pool.
std::vector<std::pair<Constant*,unsigned> > Constants; ///
public: struct MachineConstantPoolEntry {
/// Val - The constant itself.
Constant *Val;
/// Alignment - The alignment of the constant.
unsigned Alignment;
MachineConstantPoolEntry(Constant *V, unsigned A) : Val(V), Alignment(A) {}
};
class MachineConstantPool {
std::vector<MachineConstantPoolEntry> Constants;
public:
/// getConstantPoolIndex - Create a new entry in the constant pool or return /// getConstantPoolIndex - Create a new entry in the constant pool or return
/// an existing one. User must specify an alignment in bytes for the object. /// an existing one. User must specify an alignment in bytes for the object.
/// ///
@ -44,9 +54,9 @@ public:
// //
// FIXME, this could be made much more efficient for large constant pools. // FIXME, this could be made much more efficient for large constant pools.
for (unsigned i = 0, e = Constants.size(); i != e; ++i) for (unsigned i = 0, e = Constants.size(); i != e; ++i)
if (Constants[i].first == C && Constants[i].second >= Alignment) if (Constants[i].Val == C && Constants[i].Alignment >= Alignment)
return i; return i;
Constants.push_back(std::make_pair(C, Alignment)); Constants.push_back(MachineConstantPoolEntry(C, Alignment));
return Constants.size()-1; return Constants.size()-1;
} }
@ -54,7 +64,7 @@ public:
/// ///
bool isEmpty() const { return Constants.empty(); } bool isEmpty() const { return Constants.empty(); }
const std::vector<std::pair<Constant*,unsigned> > &getConstants() const { const std::vector<MachineConstantPoolEntry> &getConstants() const {
return Constants; return Constants;
} }