Chandler Carruth 1f5580b6f3 Fix updateTerminator to be resiliant to degenerate terminators where ...

both fallthrough and a conditional branch target the same successor.
Gracefully delete the conditional branch and introduce any unconditional
branch needed to reach the actual successor. This fixes memory
corruption in 2009-06-15-RegScavengerAssert.ll and possibly other tests.

Also, while I'm here fix a latent bug I spotted by inspection. I never
applied the same fundamental fix to this fallthrough successor finding
logic that I did to the logic used when there are no conditional
branches. As a consequence it would have selected landing pads had they
be aligned in just the right way here. I don't have a test case as
I spotted this by inspection, and the previous time I found this
required have of TableGen's source code to produce it. =/ I hate backend
bugs. ;]

Thanks to Jim Grosbach for helping me reason through this and reviewing
the fix.

llvm-svn: 154867

2012-04-16 22:03:00 +00:00

clang

[analyzer] Fix a false alarm in SelfInitChecker (radar://11235991).

2012-04-16 21:51:09 +00:00

compiler-rt

Partially revert r154390 (http://llvm.org/viewvc/llvm-project?view=rev&revision=154390)

2012-04-16 08:33:01 +00:00

debuginfo-tests

…

libclc

…

libcxx

Apply noexcept and constexpr to <atomic>.

2012-04-11 20:14:21 +00:00

libcxxabi

I would really like to write the handlers in terms of C++11 atomics. This would give us the best performance, portablity, and safety tradeoff. Unfortunately I can not yet do that. So I've put the desired code in comments, and reverted the handler getters to the slower but safer legacy atomic intrinsics.

2012-03-19 16:56:51 +00:00

lld

[docs] Remove a dead link.

2012-04-10 16:18:16 +00:00

lldb

Fixed the ability to load multiple __LINKEDIT segments at the same address for darwin shared cache entries. Now when registering the load address of a section, the DynamicLoader objects can specify if they should warn or not. This will fix the ability to load the nlist entries for shared libraries in the darwin shared caches when no on disk representation is available for a shared library.

2012-04-16 21:01:30 +00:00

llvm

Fix updateTerminator to be resiliant to degenerate terminators where

2012-04-16 22:03:00 +00:00

polly

ScheduleOpt: Fix crash with -enable-polly-vector

2012-04-16 11:06:06 +00:00

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