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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/LiveVar/LiveVarSet.cpp

@@ -0,0 +1,20 @@
+#include "llvm/Analysis/LiveVar/LiveVarSet.h"
+
+
+// This function applies an instruction to a live var set (accepts OutSet) and
+//  makes necessary changes to it (produces InSet)
+
+void LiveVarSet::applyTranferFuncForInst(const Instruction *const Inst) 
+{
+
+  if( Inst->isDefinition() ) {  // add to Defs iff this instr is a definition
+       remove(Inst);            // this definition kills any uses
+  }
+  Instruction::op_const_iterator OpI = Inst->op_begin();  // get operand iterat
+
+  for( ; OpI != Inst->op_end() ; OpI++) {              // iterate over operands
+    if ( ((*OpI)->getType())->isLabelType()) continue; // don't process labels 
+    add( *OpI );                     // An operand is a use - so add to use set
+  }
+
+}