diff options
Diffstat (limited to 'include/llvm/CodeGen/SelectionDAGISel.h')
-rw-r--r-- | include/llvm/CodeGen/SelectionDAGISel.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGISel.h b/include/llvm/CodeGen/SelectionDAGISel.h index 2bf3407..0e59d7b 100644 --- a/include/llvm/CodeGen/SelectionDAGISel.h +++ b/include/llvm/CodeGen/SelectionDAGISel.h @@ -18,6 +18,7 @@ #include "llvm/Pass.h" #include "llvm/Constant.h" #include "llvm/CodeGen/SelectionDAGNodes.h" +#include <set> namespace llvm { class SelectionDAG; @@ -40,7 +41,7 @@ public: SelectionDAG *CurDAG; MachineBasicBlock *BB; - SelectionDAGISel(TargetLowering &tli) : TLI(tli) {} + SelectionDAGISel(TargetLowering &tli) : TLI(tli), JT(0,0,0) {} virtual void getAnalysisUsage(AnalysisUsage &AU) const; @@ -87,6 +88,20 @@ public: // ThisBB - the blcok into which to emit the code for the setcc and branches MachineBasicBlock *ThisBB; }; + struct JumpTable { + JumpTable(unsigned R, unsigned J, MachineBasicBlock *me) : Reg(R), JTI(J), + MBB(me) {} + // Reg - the virtual register containing the index of the jump table entry + // to jump to. + unsigned Reg; + // JTI - the JumpTableIndex for this jump table in the function. + unsigned JTI; + // MBB - the MBB into which to emit the code for the indirect jump. + MachineBasicBlock *MBB; + // SuccMBBs - a vector of unique successor MBBs used for updating CFG info + // and PHI nodes. + std::set<MachineBasicBlock*> SuccMBBs; + }; protected: /// Pick a safe ordering and emit instructions for each target node in the @@ -114,6 +129,9 @@ private: /// SwitchCases - Vector of CaseBlock structures used to communicate /// SwitchInst code generation information. std::vector<CaseBlock> SwitchCases; + + /// JT - Record which holds necessary information for emitting a jump table + JumpTable JT; }; } |