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3 Commits

Author SHA1 Message Date
Eric Christopher
a0734793bf Fix a [-Werror,-Wcovered-switch-default] warning by removing the 
unnecessary default case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253621 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-11-19 23:45:42 +00:00
JF Bastien
8de4d0170e WebAssembly: relooper analysis pass 
Summary: Make the relooper an analysis pass, to convert CFG to AST.

Reviewers: sunfish

Subscribers: jfb, dschuff

Differential Revision: http://reviews.llvm.org/D12744

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250524 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-10-16 16:35:49 +00:00
JF Bastien
c37a088af2 [WebAssembly] Add Relooper 
This is just an initial checkin of an implementation of the Relooper algorithm, in preparation for WebAssembly codegen to utilize. It doesn't do anything yet by itself.

The Relooper algorithm takes an arbitrary control flow graph and generates structured control flow from that, utilizing a helper variable when necessary to handle irreducibility. The WebAssembly backend will be able to use this in order to generate an AST for its binary format.

Author: azakai

Reviewers: jfb, sunfish

Subscribers: jevinskie, arsenm, jroelofs, llvm-commits

Differential revision: http://reviews.llvm.org/D11691

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245142 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-08-15 01:23:28 +00:00