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Added atomic cmpxchg.

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This commit is contained in:
Siu Kwan Lam 2012-08-02 17:54:40 -07:00
commit acad5c9d8b
6 changed files with 127 additions and 0 deletions
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9
llvm/core.py
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@ -1996,6 +1996,15 @@ class Builder(object):
_core.LLVMBuildShuffleVector(self.ptr,
vecA.ptr, vecB.ptr, mask.ptr, name))
# atomics
def atomic_cmpxchg(self, ptr, old, new, ordering, crossthread=True):
check_is_value(ptr)
check_is_value(old)
check_is_value(new)
inst = _core.LLVMBuildAtomicCmpXchg(self.ptr, ptr.ptr, old.ptr, new.ptr,
ordering.lower(), int(bool(crossthread)))
return _make_value(inst)
#===----------------------------------------------------------------------===
# Memory buffer