[llvm-commits] [llvm] r96207 - /llvm/trunk/lib/CodeGen/RegAllocLocal.cpp

[Dale Johannesen]

Author: johannes
Date: Sun Feb 14 19:45:47 2010
New Revision: 96207

URL: http://llvm.org/viewvc/llvm-project?rev=96207&view=rev
Log:
Ignore DBG_VALUE in a couple more places.


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=96207&r1=96206&r2=96207&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/RegAllocLocal.cpp (original)
+++ llvm/trunk/lib/CodeGen/RegAllocLocal.cpp Sun Feb 14 19:45:47 2010
@@ -492,7 +492,8 @@
   if (unsigned PR = getVirt2PhysRegMapSlot(VirtReg)) {
     MarkPhysRegRecentlyUsed(PR);       // Already have this value available!
     MI->getOperand(OpNum).setReg(PR);  // Assign the input register
-    getVirtRegLastUse(VirtReg) = std::make_pair(MI, OpNum);
+    if (!MI->isDebugValue())
+      getVirtRegLastUse(VirtReg) = std::make_pair(MI, OpNum);
     return MI;
   }
 
@@ -609,6 +610,8 @@
   DenseMap<unsigned, std::pair<MachineInstr*, unsigned> > LastUseDef;
   for (MachineBasicBlock::iterator I = MBB.begin(), E = MBB.end();
        I != E; ++I) {
+    if (I->isDebugValue())
+      continue;
     for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) {
       MachineOperand& MO = I->getOperand(i);
       // Uses don't trigger any flags, but we need to save