Rewrote uses of deprecated `MachineFunction::get(BasicBlock *BB)'.

[oota-llvm.git] / lib / Target / SparcV9 / InstrSelection / InstrSelection.cpp

diff --git a/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp b/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
index a6e5a77d0ea07e0588fd9c8d7a32cf27db458ef6..a2e9bb642e4eb585e45da8752cd391a2d5f5b0cc 100644 (file)
--- a/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
+++ b/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
@@ -11,8 +11,7 @@
 #include "llvm/CodeGen/InstrSelectionSupport.h"
 #include "llvm/CodeGen/InstrForest.h"
 #include "llvm/CodeGen/MachineCodeForInstruction.h"
-#include "llvm/CodeGen/MachineCodeForBasicBlock.h"
-#include "llvm/CodeGen/MachineCodeForMethod.h"
+#include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/Target/MachineRegInfo.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Function.h"
@@ -63,6 +62,10 @@ namespace {
                                        int ruleForNode, short* nts);
   public:
     InstructionSelection(TargetMachine &T) : Target(T) {}
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+    }
     
     bool runOnFunction(Function &F);
   };
@@ -136,14 +139,20 @@ bool InstructionSelection::runOnFunction(Function &F)
     }
   
   //
-  // Record instructions in the vector for each basic block
+  // Create the MachineBasicBlock records and add all of the MachineInstrs
+  // defined in the MachineCodeForInstruction objects to also live in the
+  // MachineBasicBlock objects.
   // 
-  for (Function::iterator BI = F.begin(), BE = F.end(); BI != BE; ++BI)
+  MachineFunction &MF = MachineFunction::get(&F);
+  for (Function::iterator BI = F.begin(), BE = F.end(); BI != BE; ++BI) {
+    MachineBasicBlock *MCBB = new MachineBasicBlock(BI);
+    MF.getBasicBlockList().push_back(MCBB);
+
     for (BasicBlock::iterator II = BI->begin(); II != BI->end(); ++II) {
       MachineCodeForInstruction &mvec = MachineCodeForInstruction::get(II);
-      MachineCodeForBasicBlock &MCBB = MachineCodeForBasicBlock::get(BI);
-      MCBB.insert(MCBB.end(), mvec.begin(), mvec.end());
+      MCBB->insert(MCBB->end(), mvec.begin(), mvec.end());
     }
+  }
 
   // Insert phi elimination code
   InsertCodeForPhis(F);
@@ -151,7 +160,7 @@ bool InstructionSelection::runOnFunction(Function &F)
   if (SelectDebugLevel >= Select_PrintMachineCode)
     {
       cerr << "\n*** Machine instructions after INSTRUCTION SELECTION\n";
-      MachineCodeForMethod::get(&F).dump();
+      MachineFunction::get(&F).dump();
     }
   
   return true;
@@ -167,13 +176,18 @@ InstructionSelection::InsertCodeForPhis(Function &F)
 {
   // for all basic blocks in function
   //
-  for (Function::iterator BB = F.begin(); BB != F.end(); ++BB) {
-    BasicBlock::InstListType &InstList = BB->getInstList();
-    for (BasicBlock::iterator IIt = InstList.begin();
+  MachineFunction &MF = MachineFunction::get(&F);
+  for (MachineFunction::iterator BB = MF.begin(); BB != MF.end(); ++BB) {
+    for (BasicBlock::iterator IIt = BB->getBasicBlock()->begin();
          PHINode *PN = dyn_cast<PHINode>(&*IIt); ++IIt) {
       // FIXME: This is probably wrong...
       Value *PhiCpRes = new PHINode(PN->getType(), "PhiCp:");
-        
+
+      // The leak detector shouldn't track these nodes.  They are not garbage,
+      // even though their parent field is never filled in.
+      //
+      LeakDetector::removeGarbageObject(PhiCpRes);
+
       // for each incoming value of the phi, insert phi elimination
       //
       for (unsigned i = 0; i < PN->getNumIncomingValues(); ++i) {
@@ -194,11 +208,7 @@ InstructionSelection::InsertCodeForPhis(Function &F)
       
       vector<MachineInstr*> mvec;
       Target.getRegInfo().cpValue2Value(PhiCpRes, PN, mvec);
-      
-      // get an iterator to machine instructions in the BB
-      MachineCodeForBasicBlock& bbMvec = MachineCodeForBasicBlock::get(BB);
-      
-      bbMvec.insert(bbMvec.begin(), mvec.begin(), mvec.end());
+      BB->insert(BB->begin(), mvec.begin(), mvec.end());
     }  // for each Phi Instr in BB
   } // for all BBs in function
 }
@@ -215,21 +225,29 @@ InstructionSelection::InsertPhiElimInstructions(BasicBlock *BB,
   Instruction *TermInst = (Instruction*)BB->getTerminator();
   MachineCodeForInstruction &MC4Term = MachineCodeForInstruction::get(TermInst);
   MachineInstr *FirstMIOfTerm = MC4Term.front();
-  
   assert (FirstMIOfTerm && "No Machine Instrs for terminator");
-  
-  MachineCodeForBasicBlock &bbMvec = MachineCodeForBasicBlock::get(BB);
+
+  MachineFunction &MF = MachineFunction::get(BB->getParent());
+  MachineBasicBlock *MBB;
+
+  // FIXME: if PHI instructions existed in the machine code, this would be
+  // unnecesary.
+  for (MachineFunction::iterator I = MF.begin(), E = MF.end(); I != E; ++I)
+    if (I->getBasicBlock() == BB) {
+      MBB = I;
+      break;
+    }
 
   // find the position of first machine instruction generated by the
   // terminator of this BB
-  MachineCodeForBasicBlock::iterator MCIt =
-    std::find(bbMvec.begin(), bbMvec.end(), FirstMIOfTerm);
+  MachineBasicBlock::iterator MCIt =
+    std::find(MBB->begin(), MBB->end(), FirstMIOfTerm);
 
-  assert( MCIt != bbMvec.end() && "Start inst of terminator not found");
+  assert(MCIt != MBB->end() && "Start inst of terminator not found");
   
   // insert the copy instructions just before the first machine instruction
   // generated for the terminator
-  bbMvec.insert(MCIt, CpVec.begin(), CpVec.end());
+  MBB->insert(MCIt, CpVec.begin(), CpVec.end());
 }