iCode *ech; /* pointer to last of code chain */
struct eBBlock *preHeader; /* preheader if this is a loop entry */
- set *KpartOfLoop; /* set of loop regions this block is part of */
struct region *partOfLoop; /* pointer to the loop region this block is part of */
/* control flow analysis */
/* data flow analysis */
set *inExprs; /* in coming common expressions */
set *outExprs; /* out going common expressions */
+ set *killedExprs; /* killed common expressions */
bitVect *inDefs; /* in coming defintions */
bitVect *outDefs; /* out going defintions */
bitVect *defSet; /* symbols defined in block */