[PATCH] D59462: [WebAssembly] Optimize the number of routing blocks in FixIrreducibleCFG

Thu Mar 21 08:37:28 PDT 2019

aheejin updated this revision to Diff 191708.
aheejin added a comment.

Layout predecessor optimization. Now if there's a layout predecessor to the entry, we generate the routing block right after the layout predecessor. So now there's no case we need to analyze branch and generate extra `br`s.

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59462/new/

https://reviews.llvm.org/D59462

Files:
  lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp
  test/CodeGen/WebAssembly/irreducible-cfg.ll
  test/CodeGen/WebAssembly/irreducible-cfg.mir

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