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Add atomic load/store

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This commit is contained in:
Siu Kwan Lam 2012-08-03 11:56:59 -07:00
commit 6ac0f3c369
6 changed files with 136 additions and 0 deletions
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29
llvm/extra.cpp
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@ -181,6 +181,35 @@ LLVMValueRef LLVMBuildAtomicRMW(LLVMBuilderRef builder, const char * opname,
return wrap(inst);
}
LLVMValueRef LLVMBuildAtomicLoad(LLVMBuilderRef builder, LLVMValueRef ptr,
const char* ordering, int crossthread)
{
using namespace llvm;
AtomicOrdering atomic_order = atomic_ordering_from_string(ordering);
SynchronizationScope sync_scope = sync_scope_from_int(crossthread);
LoadInst * inst = unwrap(builder)->CreateLoad(unwrap(ptr));
inst->setAtomic(atomic_order, sync_scope);
return wrap(inst);
}
LLVMValueRef LLVMBuildAtomicStore(LLVMBuilderRef builder,
LLVMValueRef ptr, LLVMValueRef val,
const char* ordering, int crossthread)
{
using namespace llvm;
AtomicOrdering atomic_order = atomic_ordering_from_string(ordering);
SynchronizationScope sync_scope = sync_scope_from_int(crossthread);
StoreInst * inst = unwrap(builder)->CreateStore(unwrap(val), unwrap(ptr));
inst->setAtomic(atomic_order, sync_scope);
return wrap(inst);
}
LLVMValueRef LLVMBuildAtomicCmpXchg(LLVMBuilderRef builder, LLVMValueRef ptr,
LLVMValueRef cmp, LLVMValueRef val,
const char* ordering, int crossthread)