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[WebAssembly] Add WebAssemblyLateEHPrepare pass

Description

[WebAssembly] Add WebAssemblyLateEHPrepare pass

Summary:
Add WebAssemblyLateEHPrepare pass that does several small jobs for
exception handling. This runs before CFGSort, and is different from
WasmEHPrepare pass that runs before ISel, even though the names are
similar.

Reviewers: dschuff, majnemer

Subscribers: sbc100, jgravelle-google, sunfish, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D46803

Details

Committed
aheejinJun 24 2018, 6:07 PM
Differential Revision
D46803: [WebAssembly] Add WebAssemblyLateEHPrepare pass
Parents
rL335437: [X86] Simplify some code by using isOneConstant. NFC
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