llvm-project

Author	SHA1	Message	Date
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