[llvm-commits] CVS: llvm/lib/CodeGen/RegAllocLinearScan.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/CodeGen:

RegAllocLinearScan.cpp updated: 1.7 -> 1.8

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Log message:

Expire any active intervals left when register allocation is done.


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Diffs of the changes:  (+12 -0)

Index: llvm/lib/CodeGen/RegAllocLinearScan.cpp
diff -u llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.7 llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.8
--- llvm/lib/CodeGen/RegAllocLinearScan.cpp:1.7	Fri Dec 12 23:48:57 2003
+++ llvm/lib/CodeGen/RegAllocLinearScan.cpp	Fri Dec 12 23:50:19 2003
@@ -269,6 +269,18 @@
             }
         }
     }
+    // expire any remaining active intervals
+    for (IntervalPtrs::iterator i = active_.begin(); i != active_.end(); ++i) {
+        unsigned reg = (*i)->reg;
+        DEBUG(std::cerr << "\t\tinterval " << **i << " expired\n");
+        if (reg < MRegisterInfo::FirstVirtualRegister) {
+            clearReservedPhysReg(reg);
+        }
+        else {
+            p2vMap_[v2pMap_[reg]] = 0;
+        }
+        // remove interval from active
+    }
     
     DEBUG(std::cerr << "finished register allocation\n");
     DEBUG(printVirt2PhysMap());