[PATCH] D46500: [WebAssembly] CFG sort support for exception handling

Heejin Ahn via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat May 5 21:45:19 PDT 2018


aheejin created this revision.
aheejin added reviewers: dschuff, sunfish.
Herald added subscribers: llvm-commits, jgravelle-google, sbc100.

This patch extends CFGSort pass to support exception handling. Once it
places a loop header, it does not place blocks that are not dominated by
the loop header until all the loop blocks are sorted. This patch extends
the same algorithm to exception 'catch' part, using the information
calculated by WebAssemblyExceptionInfo class.


Repository:
  rL LLVM

https://reviews.llvm.org/D46500

Files:
  include/llvm/CodeGen/MachineLoopInfo.h
  lib/Target/WebAssembly/WebAssemblyCFGSort.cpp
  lib/Target/WebAssembly/WebAssemblyCFGStackify.cpp
  lib/Target/WebAssembly/WebAssemblyUtilities.cpp
  lib/Target/WebAssembly/WebAssemblyUtilities.h
  test/CodeGen/WebAssembly/cfg-stackify-eh.ll
  test/CodeGen/WebAssembly/exception.ll

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