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src/hotspot/share/opto/multnode.cpp

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 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "opto/callnode.hpp"
 27 #include "opto/cfgnode.hpp"
 28 #include "opto/matcher.hpp"
 29 #include "opto/mathexactnode.hpp"
 30 #include "opto/multnode.hpp"
 31 #include "opto/opcodes.hpp"
 32 #include "opto/phaseX.hpp"
 33 #include "opto/regmask.hpp"
 34 #include "opto/type.hpp"
 35 #include "utilities/vmError.hpp"
 36 
 37 //=============================================================================
 38 //------------------------------MultiNode--------------------------------------
 39 const RegMask &MultiNode::out_RegMask() const {
 40   return RegMask::Empty;
 41 }
 42 
 43 Node *MultiNode::match( const ProjNode *proj, const Matcher *m ) { return proj->clone(); }
 44 
 45 //------------------------------proj_out---------------------------------------
 46 // Get a named projection or null if not found
 47 ProjNode* MultiNode::proj_out_or_null(uint which_proj) const {
 48   assert((Opcode() != Op_If && Opcode() != Op_RangeCheck) || which_proj == (uint)true || which_proj == (uint)false, "must be 1 or 0");
 49   for( DUIterator_Fast imax, i = fast_outs(imax); i < imax; i++ ) {
 50     Node *p = fast_out(i);
 51     if (p->is_Proj()) {
 52       ProjNode *proj = p->as_Proj();
 53       if (proj->_con == which_proj) {
 54         assert((Opcode() != Op_If && Opcode() != Op_RangeCheck) || proj->Opcode() == (which_proj ? Op_IfTrue : Op_IfFalse), "bad if #2");
 55         return proj;
 56       }
 57     } else {
 58       assert(p == this && this->is_Start(), "else must be proj");
 59       continue;
 60     }
 61   }
 62   return NULL;
 63 }

 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "opto/callnode.hpp"
 27 #include "opto/cfgnode.hpp"
 28 #include "opto/matcher.hpp"
 29 #include "opto/mathexactnode.hpp"
 30 #include "opto/multnode.hpp"
 31 #include "opto/opcodes.hpp"
 32 #include "opto/phaseX.hpp"
 33 #include "opto/regmask.hpp"
 34 #include "opto/type.hpp"
 35 #include "utilities/vmError.hpp"
 36 
 37 //=============================================================================
 38 //------------------------------MultiNode--------------------------------------
 39 const RegMask &MultiNode::out_RegMask() const {
 40   return RegMask::Empty;
 41 }
 42 
 43 Node *MultiNode::match(const ProjNode *proj, const Matcher *m, const RegMask* mask) { return proj->clone(); }
 44 
 45 //------------------------------proj_out---------------------------------------
 46 // Get a named projection or null if not found
 47 ProjNode* MultiNode::proj_out_or_null(uint which_proj) const {
 48   assert((Opcode() != Op_If && Opcode() != Op_RangeCheck) || which_proj == (uint)true || which_proj == (uint)false, "must be 1 or 0");
 49   for( DUIterator_Fast imax, i = fast_outs(imax); i < imax; i++ ) {
 50     Node *p = fast_out(i);
 51     if (p->is_Proj()) {
 52       ProjNode *proj = p->as_Proj();
 53       if (proj->_con == which_proj) {
 54         assert((Opcode() != Op_If && Opcode() != Op_RangeCheck) || proj->Opcode() == (which_proj ? Op_IfTrue : Op_IfFalse), "bad if #2");
 55         return proj;
 56       }
 57     } else {
 58       assert(p == this && this->is_Start(), "else must be proj");
 59       continue;
 60     }
 61   }
 62   return NULL;
 63 }
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