[PATCH] D29014: [SelDag][MIR] Add FREEZE

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a reviewer: arsenm.
lebedev.ri accepted this revision.
lebedev.ri added a comment.
This revision is now accepted and ready to land.
Herald added a subscriber: wdng.

This seems good to me, but you want to wait for someone else more knowledgeable..
ping @arsenm @qcolombet @craig.topper



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Comment at: llvm/include/llvm/Analysis/TargetTransformInfoImpl.h:65-68
+    case Instruction::Freeze:
+      // Freeze operation is free because it should be lowered into a register
+      // use without any register copy in assembly code.
+      return TTI::TCC_Free;
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This is unrelated, please feel free to commit this right away.


Repository:
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  https://reviews.llvm.org/D29014/new/

https://reviews.llvm.org/D29014