Lines Matching full:widening

1 //===- GuardWidening.cpp - ---- Guard widening ----------------------------===//
9 // This file implements the guard widening pass.  The semantics of the
12 // "widening" and can be used hoist and common runtime checks in situations like
67 #define DEBUG_TYPE "guard-widening"
74     WidenBranchGuards("guard-widening-widen-branch-guards", cl::Hidden,
119 /// account for the following situation: widening should not turn a
154   /// Try to eliminate instruction \p Instr by widening it into an earlier
163   /// Used to keep track of which widening potential is more effective.
168     /// Widening is performance neutral as far as the cycles spent in check
173     /// Widening is profitable.
176     /// Widening is very profitable.  Not significantly different from \c
183   /// Compute the score for widening the condition in \p DominatedInstr
447   LLVM_DEBUG(dbgs() << "Widening " << *Instr << " into " << *BestSoFar  in eliminateInstrViaWidening()