--- a/hotspot/src/share/vm/opto/castnode.cpp Fri Apr 17 17:39:19 2015 -0700
+++ b/hotspot/src/share/vm/opto/castnode.cpp Tue Mar 24 10:25:09 2015 +0100
@@ -73,16 +73,6 @@
return (in(0) && remove_dead_region(phase, can_reshape)) ? this : NULL;
}
-//------------------------------Ideal_DU_postCCP-------------------------------
-// Throw away cast after constant propagation
-Node *ConstraintCastNode::Ideal_DU_postCCP( PhaseCCP *ccp ) {
- const Type *t = ccp->type(in(1));
- ccp->hash_delete(this);
- set_type(t); // Turn into ID function
- ccp->hash_insert(this);
- return this;
-}
-
uint CastIINode::size_of() const {
return sizeof(*this);
}
@@ -164,13 +154,6 @@
return res;
}
-Node *CastIINode::Ideal_DU_postCCP(PhaseCCP *ccp) {
- if (_carry_dependency) {
- return NULL;
- }
- return ConstraintCastNode::Ideal_DU_postCCP(ccp);
-}
-
#ifndef PRODUCT
void CastIINode::dump_spec(outputStream *st) const {
TypeNode::dump_spec(st);
@@ -181,20 +164,6 @@
#endif
//=============================================================================
-
-//------------------------------Ideal_DU_postCCP-------------------------------
-// If not converting int->oop, throw away cast after constant propagation
-Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) {
- const Type *t = ccp->type(in(1));
- if (!t->isa_oop_ptr() || ((in(1)->is_DecodeN()) && Matcher::gen_narrow_oop_implicit_null_checks())) {
- return NULL; // do not transform raw pointers or narrow oops
- }
- return ConstraintCastNode::Ideal_DU_postCCP(ccp);
-}
-
-
-
-//=============================================================================
//------------------------------Identity---------------------------------------
// If input is already higher or equal to cast type, then this is an identity.
Node *CheckCastPPNode::Identity( PhaseTransform *phase ) {