Lines Matching refs:preheader
120 // not qualify as a preheader.
121 // The preheader is the unique predecessor that:
128 // Sets |preheader| as the loop preheader block. A preheader block must have
132 void SetPreHeaderBlock(BasicBlock* preheader);
134 // Returns the loop pre-header, if there is no suitable preheader it will be
135 // created. Returns |nullptr| if it fails to create the preheader.
223 // This does not affect any of the stored pointers to the header, preheader,
389 // Returns the loop preheader if it exists, returns nullptr otherwise.