[llvm-commits] [llvm] r46813 - /llvm/trunk/lib/CodeGen/RegAllocLocal.cpp

[Evan Cheng]

Author: evancheng
Date: Wed Feb  6 02:00:32 2008
New Revision: 46813

URL: http://llvm.org/viewvc/llvm-project?rev=46813&view=rev
Log:
RegAllocaLocal still *requires* LiveVariables since it runs PHIElimination, followed by TwoAddress which requires LiveVariables. We cannot run LiveVariables on non-SSA code.

Modified:
    llvm/trunk/lib/CodeGen/RegAllocLocal.cpp

Modified: llvm/trunk/lib/CodeGen/RegAllocLocal.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/RegAllocLocal.cpp?rev=46813&r1=46812&r2=46813&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocLocal.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocLocal.cpp Wed Feb  6 02:00:32 2008
@@ -14,11 +14,12 @@
 
 #define DEBUG_TYPE "regalloc"
 #include "llvm/BasicBlock.h"
-#include "llvm/CodeGen/Passes.h"
+#include "llvm/CodeGen/LiveVariables.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/Passes.h"
 #include "llvm/CodeGen/RegAllocRegistry.h"
 #include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Target/TargetMachine.h"
@@ -146,6 +147,7 @@
     }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.addRequired<LiveVariables>();
       AU.addRequiredID(PHIEliminationID);
       AU.addRequiredID(TwoAddressInstructionPassID);
       MachineFunctionPass::getAnalysisUsage(AU);