11 // code into the preheader block, or by sinking code to the exit blocks if it is
13 // live in registers, thus hoisting and sinking "invariant" loads and stores.
160 // Experimentally, memory promotion carries less importance than sinking and
459   // us to sink instructions in one pass, without iteration.  After sinking  in runOnLoop()
479   // preheader for SSA updater, so also avoid sinking when no preheader  in runOnLoop()
582       // we just delete it instead of sinking it.  in sinkRegion()
1398       // We need to sink a callsite to a unique funclet.  Avoid sinking if the  in isNotUsedOrFoldableInLoop()
1433     // Sinking call-sites need to be handled differently from other  in cloneInstructionInExitBlock()
1485   // OPT: If this shows up in a profile, we can instead finish sinking all  in cloneInstructionInExitBlock()
1488   // sinking bottom-up.  in cloneInstructionInExitBlock()
1636   LLVM_DEBUG(dbgs() << "LICM sinking instruction: " << I << "\n");  in sink()
1638   // Iterate over users to be ready for actual sinking. Replace users via  in sink()
1690            << "sinking " << ore::NV("Inst", &I);  in sink()
1711   // First check if I is worth sinking for all uses. Sink only when it is worth  in sink()
1962 /// Try to promote memory values to scalars by sinking stores out of the
2133         // start sinking stores into unwind edges (see above), this will break.  in promoteLoopAccessesToScalars()
2371   // For sinking, we'd need to check all Defs below this use. The getClobbering  in pointerInvalidatedByLoop()
2381   // However sinking the load outside the loop, below the store is incorrect.  in pointerInvalidatedByLoop()
2393   // When sinking, the source block may not be part of the loop so check it.  in pointerInvalidatedByLoop()