diff options
Diffstat (limited to 'include/llvm/CodeGen/MachineConstantPool.h')
| -rw-r--r-- | include/llvm/CodeGen/MachineConstantPool.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/include/llvm/CodeGen/MachineConstantPool.h b/include/llvm/CodeGen/MachineConstantPool.h index c2c3399adb..1bbf88d843 100644 --- a/include/llvm/CodeGen/MachineConstantPool.h +++ b/include/llvm/CodeGen/MachineConstantPool.h @@ -30,20 +30,23 @@ namespace llvm { class Constant; class MachineConstantPool { - std::vector<Constant*> Constants; + std::vector<std::pair<Constant*,unsigned> > Constants; public: /// getConstantPoolIndex - Create a new entry in the constant pool or return - /// an existing one. + /// an existing one. User may specify an alignment that is greater than the + /// default alignment. If one is not specified, it will be 0. /// - unsigned getConstantPoolIndex(Constant *C) { + unsigned getConstantPoolIndex(Constant *C, unsigned Alignment = 0) { // Check to see if we already have this constant. // // FIXME, this could be made much more efficient for large constant pools. for (unsigned i = 0, e = Constants.size(); i != e; ++i) - if (Constants[i] == C) + if (Constants[i].first == C) { + Constants[i].second = std::max(Constants[i].second, Alignment); return i; - Constants.push_back(C); + } + Constants.push_back(std::make_pair(C, Alignment)); return Constants.size()-1; } @@ -51,7 +54,9 @@ public: /// bool isEmpty() const { return Constants.empty(); } - const std::vector<Constant*> &getConstants() const { return Constants; } + const std::vector<std::pair<Constant*,unsigned> > &getConstants() const { + return Constants; + } /// print - Used by the MachineFunction printer to print information about /// stack objects. Implemented in MachineFunction.cpp |