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

[Alkis Evlogimenos]

Changes in directory llvm/lib/CodeGen:

LiveIntervals.cpp updated: 1.5 -> 1.6

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Log message:

Ignore non-allocatable physical registers in live interval analysis.


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Diffs of the changes:  (+4 -0)

Index: llvm/lib/CodeGen/LiveIntervals.cpp
diff -u llvm/lib/CodeGen/LiveIntervals.cpp:1.5 llvm/lib/CodeGen/LiveIntervals.cpp:1.6
--- llvm/lib/CodeGen/LiveIntervals.cpp:1.5	Fri Dec 12 23:26:39 2003
+++ llvm/lib/CodeGen/LiveIntervals.cpp	Sat Dec 13 05:11:01 2003
@@ -183,6 +183,10 @@
                                               unsigned reg)
 {
     DEBUG(std::cerr << "\t\t\tregister: ";printRegName(reg); std::cerr << '\n');
+    if (!lv_->getAllocatablePhysicalRegisters()[reg]) {
+        DEBUG(std::cerr << "\t\t\t\tnon allocatable register: ignoring\n");
+        return;
+    }
 
     unsigned start = getInstructionIndex(*mi);
     unsigned end = start;