Register scavenger is now capable of scavenging. It spills a register whose use of...

[oota-llvm.git] / include / llvm / CodeGen / SelectionDAGISel.h

diff --git a/include/llvm/CodeGen/SelectionDAGISel.h b/include/llvm/CodeGen/SelectionDAGISel.h
index 855febe2e4e409019bb1cfd1a851ad82a9b95abb..492e877f192ad828bc3458c4d0bdb3760bf77259 100644 (file)
--- a/include/llvm/CodeGen/SelectionDAGISel.h
+++ b/include/llvm/CodeGen/SelectionDAGISel.h
@@ -31,6 +31,20 @@ namespace llvm {
   class FunctionLoweringInfo;
   class HazardRecognizer;
 
+  namespace SDISelParamFlags {
+    enum Flags {
+      NoFlagSet         = 0,
+      Signed            = 1<<0,
+      SignedOffs        = 0,
+      InReg             = 1<<1,
+      InRegOffs         = 1,
+      StructReturn      = 1<<2,
+      StructReturnOffs  = 2,
+      OrigAlignment     = 0x1F<<27,
+      OrigAlignmentOffs = 27
+    };
+  }
+  
 /// SelectionDAGISel - This is the common base class used for SelectionDAG-based
 /// pattern-matching instruction selectors.
 class SelectionDAGISel : public FunctionPass {
@@ -83,17 +97,16 @@ public:
   /// case switch statements.
   struct CaseBlock {
     CaseBlock(ISD::CondCode cc, Value *cmplhs, Value *cmprhs, 
-              MachineBasicBlock *lhs, MachineBasicBlock *rhs,
-              MachineBasicBlock *me) : 
-    CC(cc), CmpLHS(cmplhs), CmpRHS(cmprhs), LHSBB(lhs), RHSBB(rhs), ThisBB(me){}
+              MachineBasicBlock *truebb, MachineBasicBlock *falsebb,
+              MachineBasicBlock *me)
+      : CC(cc), CmpLHS(cmplhs), CmpRHS(cmprhs),
+        TrueBB(truebb), FalseBB(falsebb), ThisBB(me) {}
     // CC - the condition code to use for the case block's setcc node
     ISD::CondCode CC;
     // CmpLHS/CmpRHS - The LHS/RHS of the comparison to emit.
     Value *CmpLHS, *CmpRHS;
-    // LHSBB - the block to branch to if the setcc is true
-    MachineBasicBlock *LHSBB;
-    // RHSBB - the block to branch to if the setcc is false
-    MachineBasicBlock *RHSBB;
+    // TrueBB/FalseBB - the block to branch to if the setcc is true/false.
+    MachineBasicBlock *TrueBB, *FalseBB;
     // ThisBB - the block into which to emit the code for the setcc and branches
     MachineBasicBlock *ThisBB;
   };
@@ -127,9 +140,6 @@ protected:
   bool CheckOrMask(SDOperand LHS, ConstantSDNode *RHS, int64_t DesiredMaskS);  
   
 private:
-  void SplitCritEdgesForPHIConstants(BasicBlock *BB);
-  SDOperand CopyValueToVirtualRegister(SelectionDAGLowering &SDL,
-                                       Value *V, unsigned Reg);
   void SelectBasicBlock(BasicBlock *BB, MachineFunction &MF,
                         FunctionLoweringInfo &FuncInfo);