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Author SHA1 Message Date
Nuno Lopes 729e6a056c hopefully fix a bunch of ARM buildbot failures 
llvm-svn: 156513
 2012-05-09 21:21:49 +00:00
Eli Friedman 84d2812111 Re-commit r139643. 
Make clang use Acquire loads and Release stores where necessary.

llvm-svn: 139650
 2011-09-13 22:21:56 +00:00
Eli Friedman acca089617 Revert r139643 while I look into it; it's breaking selfhost. 
llvm-svn: 139648
 2011-09-13 22:08:16 +00:00
Eli Friedman f92b2e0714 Make clang use Acquire loads and Release stores where necessary. 
llvm-svn: 139643
 2011-09-13 21:31:32 +00:00
Eli Friedman e9f8113ec4 Switch clang over to using fence/atomicrmw/cmpxchg instead of the intrinsics (which will go away). LLVM CodeGen does almost exactly the same thing with these and the old intrinsics, so I'm reasonably confident this will not break anything. 
There are still a few issues which need to be resolved with code generation for atomic load and store, so I'm not converting the places which need those for now.

I'm not entirely sure what to do about __builtin_llvm_memory_barrier: the fence instruction doesn't expose all the possibilities which can be expressed by __builtin_llvm_memory_barrier.  I would appreciate hearing from anyone who is using this intrinsic.

llvm-svn: 139216
 2011-09-07 01:41:24 +00:00
Eric Christopher 6455d84653 This works on arm. 
llvm-svn: 136303
 2011-07-28 00:10:10 +00:00
Eric Christopher 85e5156598 Migrate most of the rest of test/FrontendC from llvm and migrate 
most of them to FileCheck.

llvm-svn: 136159
 2011-07-26 22:17:02 +00:00