[PATCH] D101601: [SelectionDAG] Make fast and linearize visible by clang -pre-RA-sched

[TaoPan via Phabricator via cfe-commits]

TaoPan added inline comments.


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Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:275-276
+      return createFastDAGScheduler(IS, OptLevel);
+    if (TLI->getSchedulingPreference() == Sched::Linearize)
+      return createDAGLinearizer(IS, OptLevel);
     assert(TLI->getSchedulingPreference() == Sched::ILP &&
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pengfei wrote:
> Can this be omitted given `createFastDAGScheduler` should make it linked.
For making scheduler fast and linearize visible by clang -pre-RA-sched, yes, createDAGLinearizer can be omitted.
Adding both is also for keeping the ability that all schedulers can be selected by TargetLowering object in the case of clang -pre-RA-sched=default.


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  https://reviews.llvm.org/D101601/new/

https://reviews.llvm.org/D101601