commit feab72c20acc97f8942148189c06e443b29df841
author Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Oct 16 00:05:06 2012 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Tue Oct 16 00:05:06 2012 +0000
tree fbe7d1ee825fe3c56c3564ba2d3defb5a4e6c9e1
parent 88bcf797abebb941fe9ace6de50eb7ede80d5ea7

Remove unused BitVectors from getAllocatableSet().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165999 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MachineVerifier.cpp

diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp
index 14bf53e..dca68da 100644
--- a/lib/CodeGen/MachineVerifier.cpp
+++ b/lib/CodeGen/MachineVerifier.cpp
@@ -80,7 +80,6 @@
     BlockSet FunctionBlocks;
 
     BitVector regsReserved;
-    BitVector regsAllocatable;
     RegSet regsLive;
     RegVector regsDefined, regsDead, regsKilled;
     RegMaskVector regMasks;
@@ -186,7 +185,7 @@
     }
 
     bool isAllocatable(unsigned Reg) {
-      return Reg < regsAllocatable.size() && regsAllocatable.test(Reg);
+      return Reg < TRI->getNumRegs() && MRI->isAllocatable(Reg);
     }
 
     // Analysis information if available
@@ -439,8 +438,6 @@
     }
   }
 
-  regsAllocatable = TRI->getAllocatableSet(*MF);
-
   markReachable(&MF->front());
 
   // Build a set of the basic blocks in the function.