Remove a bunch more dead V9 specific stuff

llvm-svn: 28094

3 files changed, 9 insertions, 34 deletions

diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index c85d40b04f0..5c7818d330a 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -296,14 +296,12 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &MF) {
                  "Didn't find an entry for our predecessor??");
           if (MI->getOperand(i+1).getMachineBasicBlock() == MBB) {
             MachineOperand &MO = MI->getOperand(i);
-            if (!MO.getVRegValueOrNull()) {
-              VarInfo &VRInfo = getVarInfo(MO.getReg());
-              assert(VRInfo.DefInst && "Register use before def (or no def)!");
-
-              // Only mark it alive only in the block we are representing.
-              MarkVirtRegAliveInBlock(VRInfo, MBB);
-              break;   // Found the PHI entry for this block.
-            }
+            VarInfo &VRInfo = getVarInfo(MO.getReg());
+            assert(VRInfo.DefInst && "Register use before def (or no def)!");
+
+            // Only mark it alive only in the block we are representing.
+            MarkVirtRegAliveInBlock(VRInfo, MBB);
+            break;   // Found the PHI entry for this block.
           }
         }
       }
diff --git a/llvm/lib/CodeGen/MachineBasicBlock.cpp b/llvm/lib/CodeGen/MachineBasicBlock.cpp
index ee8da6744e3..5b095196d8d 100644
--- a/llvm/lib/CodeGen/MachineBasicBlock.cpp
+++ b/llvm/lib/CodeGen/MachineBasicBlock.cpp
@@ -47,7 +47,7 @@ void ilist_traits<MachineBasicBlock>::removeNodeFromList(MachineBasicBlock* N) {
 
 
 MachineInstr* ilist_traits<MachineInstr>::createSentinel() {
-  MachineInstr* dummy = new MachineInstr(0, 0);
+  MachineInstr* dummy = new MachineInstr(0, 0, true, true);
   LeakDetector::removeGarbageObject(dummy);
   return dummy;
 }
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 367631c60ec..e300993a10f 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -36,15 +36,6 @@ namespace llvm {
   extern const TargetInstrDescriptor *TargetInstrDescriptors;
 }
 
-// Constructor for instructions with variable #operands
-MachineInstr::MachineInstr(short opcode, unsigned numOperands)
-  : Opcode(opcode),
-    operands(numOperands, MachineOperand()),
-    parent(0) {
-  // Make sure that we get added to a machine basicblock
-  LeakDetector::addGarbageObject(this);
-}
-
 /// MachineInstr ctor - This constructor only does a _reserve_ of the operands,
 /// not a resize for them.  It is expected that if you use this that you call
 /// add* methods below to fill up the operands, instead of the Set methods.
@@ -178,14 +169,7 @@ static void print(const MachineOperand &MO, std::ostream &OS,
 
   switch (MO.getType()) {
   case MachineOperand::MO_VirtualRegister:
-    if (MO.getVRegValue()) {
-      OS << "%reg";
-      OutputValue(OS, MO.getVRegValue());
-      if (MO.hasAllocatedReg())
-        OS << "==";
-    }
-    if (MO.hasAllocatedReg())
-      OutputReg(OS, MO.getReg(), MRI);
+    OutputReg(OS, MO.getReg(), MRI);
     break;
   case MachineOperand::MO_SignExtendedImmed:
     OS << (long)MO.getImmedValue();
@@ -285,14 +269,7 @@ std::ostream &llvm::operator<<(std::ostream &os, const MachineInstr &MI) {
 std::ostream &llvm::operator<<(std::ostream &OS, const MachineOperand &MO) {
   switch (MO.getType()) {
   case MachineOperand::MO_VirtualRegister:
-    if (MO.hasAllocatedReg())
-      OutputReg(OS, MO.getReg());
-
-    if (MO.getVRegValue()) {
-      if (MO.hasAllocatedReg()) OS << "==";
-      OS << "%vreg";
-      OutputValue(OS, MO.getVRegValue());
-    }
+    OutputReg(OS, MO.getReg());
     break;
   case MachineOperand::MO_SignExtendedImmed:
     OS << (long)MO.getImmedValue();