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4 Commits

Author SHA1 Message Date
Heejin Ahn
b68d591475 [WebAssembly] Don't modify preds/succs iterators while erasing from them 
Summary:
This caused out-of-bound bugs. Found by
`-DLLVM_ENABLE_EXPENSIVE_CHECKS=ON`.

Reviewers: dschuff

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

Differential Revision: https://reviews.llvm.org/D52902

llvm-svn: 343814
 2018-10-04 21:03:35 +00:00
Heejin Ahn
a93e726170 [WebAssembly] Modify LateEHPrepare one-line description (NFC) 
llvm-svn: 339972
 2018-08-17 00:12:04 +00:00
Benjamin Kramer
83996e4dee [Wasm] Don't iterate over MachineBasicBlock::successors while erasing from it 
This will read out of bounds. Found by asan.

llvm-svn: 339230
 2018-08-08 10:13:19 +00:00
Heejin Ahn
4934f76b58 [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

llvm-svn: 335438
 2018-06-25 01:07:11 +00:00