Lines Matching defs:combine

95               "Controls whether a DAG combine is performed for a node");
217     // failed combine which may have created a DAG node.
417     SDValue combine(SDNode *N);
1353            "Cannot combine value to value of different type!");
1763   // While we have a valid worklist entry node, try to combine it.
1773     // If this combine is running after legalizing the DAG, re-legalize any
1796     SDValue RV = combine(N);
2019 SDValue DAGCombiner::combine(SDNode *N) {
2027   // If nothing happened, try a target-specific DAG combine.
3469  * produce a combine with a single path for carry propagation.
4721   // but there is no libcall available, then don't combine.
5143   // combine will not return a DIVREM.  Regardless, checking cheapness here
5482     SDValue LoOpt = combine(Lo.getNode());
5492     SDValue HiOpt = combine(Hi.getNode());
6300       "Invalid Op to combine SETCC with");
8824 /// not match, then we can not combine the vector loads. \p Index uses the
8863   // Fail to combine if we have encountered anything but a LOAD after handling
9241   // Rely on other DAG combine rules to remove the other individual stores.
9264 /// but the root node of the pattern which triggers the load combine is not
9266 /// of t28 load is reassociated load combine won't be triggered:
9275 /// combine pattern and add corresponding OR roots to the worklist.
9339     // For vector loads, the expected load combine pattern will have an
9387   // split into legal sized loads. This enables us to combine i64 load by i8
10436   // rely on legalization to split/combine the result.
11646   // is also a target-independent combine here in DAGCombiner in the other
12316   // TODO: Try combine to masked compress store if possiable.
12951       // We don't have anything interesting to combine to.
13344   // This combine is only applicable to illegal, but splittable, vectors.
13346   // This combine is controlled by TargetLowering::isVectorLoadExtDesirable.
14821     // (as opposed to anyext the high bits), we can't combine the zextload
15058   // If sextload is not supported by target, we can only do the combine when
16025   // XformToShuffleWithZero being used to combine bitmaskings (of
16319   // No valid opcode, do not combine.
16325   // If the addition is not contractable, do not combine.
16556   // No valid opcode, do not combine.
16564   // If the subtraction is not contractable, do not combine.
16892   // No valid opcode, do not combine.
19177 /// Try to combine a load/store with a add/sub of the base pointer node into a
23751   // Create a shuffle mask that will combine the extracted element with zeros
23807   // May only combine to shuffle after legalize if shuffle is legal.
25591 // Attempt to combine a shuffle of 2 inputs of 'scalar sources' -
25823   // and evidently failed. Proceeding will lead to endless combine loops.
26020   //   which was not there before the combine.
26580   // Attempt to combine a shuffle of 2 inputs of 'scalar sources' -
27321   // This is the only generic VP combine we support for now.
28322         // legal, combine to just cttz.
28329         // legal, combine to just ctlz.