X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FRegAllocLocal.cpp;h=59831f0b707aef295b27960b9dfe9d3648fead81;hb=73b43b9b549a75fb0015c825df68abd95705a67c;hp=9e274543cf5cd7192e2d5c80af416fd0372814ac;hpb=97e3c01eb4ee6afff602ad11a2f2788ed7c83580;p=oota-llvm.git

diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 9e274543cf5..59831f0b707 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -31,17 +31,17 @@
 #include "llvm/ADT/Statistic.h"
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
+#include <map>
 using namespace llvm;
 
 STATISTIC(NumStores, "Number of stores added");
 STATISTIC(NumLoads , "Number of loads added");
 
-namespace {
-  static RegisterRegAlloc
-    localRegAlloc("local", "  local register allocator",
-                  createLocalRegisterAllocator);
-
+static RegisterRegAlloc
+  localRegAlloc("local", "  local register allocator",
+                createLocalRegisterAllocator);
 
+namespace {
   class VISIBILITY_HIDDEN RALocal : public MachineFunctionPass {
   public:
     static char ID;
@@ -306,8 +306,7 @@ void RALocal::spillVirtReg(MachineBasicBlock &MBB,
     // If the instruction reads the register that's spilled, (e.g. this can
     // happen if it is a move to a physical register), then the spill
     // instruction is not a kill.
-    bool isKill = !(I != MBB.end() &&
-                    I->findRegisterUseOperandIdx(PhysReg) != -1);
+    bool isKill = !(I != MBB.end() && I->readsRegister(PhysReg));
     TII->storeRegToStackSlot(MBB, I, PhysReg, isKill, FrameIndex, RC);
     ++NumStores;   // Update statistics
   }
@@ -550,10 +549,10 @@ void RALocal::AllocateBasicBlock(MachineBasicBlock &MBB) {
 
   // If this is the first basic block in the machine function, add live-in
   // registers as active.
-  if (&MBB == &*MF->begin()) {
-    for (MachineRegisterInfo::livein_iterator I=MF->getRegInfo().livein_begin(),
-         E = MF->getRegInfo().livein_end(); I != E; ++I) {
-      unsigned Reg = I->first;
+  if (&MBB == &*MF->begin() || MBB.isLandingPad()) {
+    for (MachineBasicBlock::livein_iterator I = MBB.livein_begin(),
+         E = MBB.livein_end(); I != E; ++I) {
+      unsigned Reg = *I;
       MF->getRegInfo().setPhysRegUsed(Reg);
       PhysRegsUsed[Reg] = 0;            // It is free and reserved now
       AddToPhysRegsUseOrder(Reg);