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4 Commits

Author SHA1 Message Date
Filip Pizlo
23ffb3ea10 Stackmaps are used for OSR exits, which is a custom kind of unwinding. Hence, they 
should not be marked nounwind.

Marking them nounwind caused crashes in the WebKit FTL JIT, because if we enable 
sufficient optimizations, LLVM starts eliding compact_unwind sections (or any unwind 
data for that matter), making deoptimization via stackmaps impossible.

This changes the stackmap intrinsic to be may-throw, adds a test for exactly the 
sympton that WebKit saw, and fixes TableGen to handle un-attributed intrinsics.

Thanks to atrick and philipreames for reviewing this.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201826 91177308-0d34-0410-b5e6-96231b3b80d8
 2014-02-20 23:57:31 +00:00
NAKAMURA Takumi
1f2868899a Add JIT to LINK_COMPONENTS in MCJITTests/Makefile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196907 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-12-10 11:12:35 +00:00
Andrew Kaylor
65d60c8468 Removing unnecessary link component for MCJIT unittests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193125 91177308-0d34-0410-b5e6-96231b3b80d8
 2013-10-21 22:35:06 +00:00
Andrew Kaylor
2d6d585c85 Adding MCJIT and MemoryBuffer unit tests 
Patch by Daniel Malea.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165246 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-10-04 20:29:44 +00:00