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5 Commits

Author SHA1 Message Date
Reid Kleckner
4def1cbf5d Re-land "[WinEH] Add an EH registration and state insertion pass for 32-bit x86" 
This reverts commit r236360.

This change exposed a bug in WinEHPrepare by opting win32 code into EH
preparation. We already knew that WinEHPrepare has bugs, and is the
status quo for x64, so I don't think that's a reason to hold off on this
change. I disabled exceptions in the sanitizer tests in r236505 and an
earlier revision.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236508 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-05 17:44:16 +00:00
Reid Kleckner
039d60c254 Revert "[WinEH] Add an EH registration and state insertion pass for 32-bit x86" 
This reverts commit r236359. Things are still broken despite testing. :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236360 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-01 22:50:14 +00:00
Reid Kleckner
2701a7ff17 Re-land "[WinEH] Add an EH registration and state insertion pass for 32-bit x86" 
This reverts commit r236340.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236359 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-01 22:40:25 +00:00
Reid Kleckner
053f7d148e Revert "[WinEH] Add an EH registration and state insertion pass for 32-bit x86" 
This reverts commit r236339, it breaks the win32 clang-cl self-host.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236340 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-01 20:14:04 +00:00
Reid Kleckner
018ed7b68b [WinEH] Add an EH registration and state insertion pass for 32-bit x86 
This pass is responsible for constructing the EH registration object
that gets linked into fs:00, which is all it does in this change. In the
future, it will also insert stores to update the EH state number.

I considered keeping this functionality in WinEHPrepare, but it's pretty
separable and X86 specific. It has conceptually very little to do with
the task of WinEHPrepare, which is currently outlining.  WinEHPrepare is
also in theory useful on ARM, but this logic is pretty x86 specific.

Reviewers: andrew.w.kaylor, majnemer

Differential Revision: http://reviews.llvm.org/D9422

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236339 91177308-0d34-0410-b5e6-96231b3b80d8
 2015-05-01 20:04:54 +00:00