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comparison src/share/vm/opto/ifnode.cpp @ 17726:085b304a1cc5

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8027754: Enable loop optimizations for loops with MathExact inside Reviewed-by: kvn, iveresov
author rbackman
date Thu, 23 Jan 2014 12:08:28 +0100
parents 55fb97c4c58d
children 4ca6dc0799b6 968a17f18337
comparison
equal deleted inserted replaced
17725:b4ce4e9eb97d 17726:085b304a1cc5
74 // Look for a compare of a constant and a merged value 74 // Look for a compare of a constant and a merged value
75 Node *i1 = iff->in(1); 75 Node *i1 = iff->in(1);
76 if( !i1->is_Bool() ) return NULL; 76 if( !i1->is_Bool() ) return NULL;
77 BoolNode *b = i1->as_Bool(); 77 BoolNode *b = i1->as_Bool();
78 Node *cmp = b->in(1); 78 Node *cmp = b->in(1);
79 if( cmp->is_FlagsProj() ) return NULL;
80 if( !cmp->is_Cmp() ) return NULL; 79 if( !cmp->is_Cmp() ) return NULL;
81 i1 = cmp->in(1); 80 i1 = cmp->in(1);
82 if( i1 == NULL || !i1->is_Phi() ) return NULL; 81 if( i1 == NULL || !i1->is_Phi() ) return NULL;
83 PhiNode *phi = i1->as_Phi(); 82 PhiNode *phi = i1->as_Phi();
84 if( phi->is_copy() ) return NULL; 83 if( phi->is_copy() ) return NULL;