// target and not touched by the DAG optimizers.
CALLSEQ_START, // Beginning of a call sequence
CALLSEQ_END, // End of a call sequence
+
+ // VAARG - VAARG has three operands: an input chain, a pointer, and a
+ // SRCVALUE. It returns a pair of values: the vaarg value and a new chain.
+ VAARG,
+
+ // VACOPY - VACOPY has five operands: an input chain, a destination pointer,
+ // a source pointer, a SRCVALUE for the destination, and a SRCVALUE for the
+ // source.
+ VACOPY,
+
+ // VAEND, VASTART - VAEND and VASTART have three operands: an input chain, a
+ // pointer, and a SRCVALUE.
+ VAEND, VASTART,
// SRCVALUE - This corresponds to a Value*, and is used to associate memory
// locations with their value. This allows one use alias analysis