[llvm-commits] CVS: llvm/include/llvm/CodeGen/LiveVariables.h

[Chris Lattner]

Changes in directory llvm/include/llvm/CodeGen:

LiveVariables.h updated: 1.19 -> 1.20
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Log message:

Add a useful accessor


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Diffs of the changes:  (+10 -0)

Index: llvm/include/llvm/CodeGen/LiveVariables.h
diff -u llvm/include/llvm/CodeGen/LiveVariables.h:1.19 llvm/include/llvm/CodeGen/LiveVariables.h:1.20
--- llvm/include/llvm/CodeGen/LiveVariables.h:1.19	Thu Aug 26 17:23:32 2004
+++ llvm/include/llvm/CodeGen/LiveVariables.h	Sat Jan  1 09:58:55 2005
@@ -125,6 +125,16 @@
     return RegistersKilled.equal_range(MI);
   }
 
+  /// KillsRegister - Return true if the specified instruction kills the
+  /// specified register.
+  bool KillsRegister(MachineInstr *MI, unsigned Reg) {
+    std::pair<killed_iterator, killed_iterator> KIP = killed_range(MI);
+    for (; KIP.first != KIP.second; ++KIP.first)
+      if (KIP.first->second == Reg)
+        return true;
+    return false;
+  }
+
   killed_iterator dead_begin(MachineInstr *MI) {
     return RegistersDead.lower_bound(MI);
   }