Note what still needs doing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45310 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp
index 900a890e93abc981b1dfbf707d1610f4f60b68d8..600d8590a9bd8447ffe9513bff85a12cd95cfd9f 100644 (file)
--- a/lib/CodeGen/StrongPHIElimination.cpp
+++ b/lib/CodeGen/StrongPHIElimination.cpp
@@ -397,7 +397,7 @@ void StrongPHIElimination::processBlock(MachineBasicBlock* MBB) {
     std::vector<std::pair<unsigned, unsigned> > localInterferences;
     processPHIUnion(P, PHIUnion, DF, localInterferences);
     
-    // FIXME: Check for local interferences
+    // Check for local interferences
     for (std::vector<std::pair<unsigned, unsigned> >::iterator I =
         localInterferences.begin(), E = localInterferences.end(); I != E; ++I) {
       std::pair<unsigned, unsigned> p = *I;
@@ -439,6 +439,8 @@ void StrongPHIElimination::processBlock(MachineBasicBlock* MBB) {
       }
     }
     
+    // FIXME: Cache renaming information
+    
     ProcessedNames.insert(PHIUnion.begin(), PHIUnion.end());
     ++P;
   }
@@ -507,5 +509,8 @@ bool StrongPHIElimination::runOnMachineFunction(MachineFunction &Fn) {
         I->begin()->getOpcode() == TargetInstrInfo::PHI)
       processBlock(I);
   
+  // FIXME: Insert copies
+  // FIXME: Perform renaming
+  
   return false;
 }