Lines Matching +full:block +full:- +full:number

1 //===- SpillPlacement.h - Optimal Spill Code Placement ---------*- C++ -*--===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
21 // block entries and exits. Spill code placement inside a basic block is not
24 //===----------------------------------------------------------------------===//
60   // Block frequencies are computed once. Indexed by block number.
64   /// its inputs falls in the open interval (-Threshold;Threshold).
76   /// BorderConstraint - A basic block has separate constraints for entry and
79     DontCare,  ///< Block doesn't care / variable not live.
80     PrefReg,   ///< Block entry/exit prefers a register.
81     PrefSpill, ///< Block entry/exit prefers a stack slot.
82     PrefBoth,  ///< Block entry prefers both register and stack.
86   /// BlockConstraint - Entry and exit constraints for a basic block.
88     unsigned Number;            ///< Basic block number (from MBB::getNumber()).  member
89     BorderConstraint Entry : 8; ///< Constraint on block entry.
90     BorderConstraint Exit : 8;  ///< Constraint on block exit.
92     /// True when this block changes the value of the live range. This means
93     /// the block has a non-PHI def.  When this is false, a live-in value on
94     /// the stack can be live-out on the stack without inserting a spill.
101   /// prepare - Reset state and prepare for a new spill placement computation.
110   /// addConstraints - Add constraints and biases. This method may be called
116   /// addPrefSpill - Add PrefSpill constraints to all blocks listed.  This is
120   /// @param Blocks Array of block numbers that prefer to spill in and out.
124   /// addLinks - Add transparent blocks with the given numbers.
127   /// scanActiveBundles - Perform an initial scan of all bundles activated by
134   /// iterate - Update the network iteratively until convergence, or new bundles
138   /// getRecentPositive - Return an array of bundles that became positive during
142   /// finish - Compute the optimal spill code placement given the
144   /// possible number of PrefX constraints will be violated, weighted by
151   /// getBlockFrequency - Return the estimated block execution frequency per
153   BlockFrequency getBlockFrequency(unsigned Number) const {  in getBlockFrequency()  argument
154     return BlockFrequencies[Number];  in getBlockFrequency()