add a __sync_swap builtin to fill out the rest of the __sync builtins.
Patch by Dave Zarzycki!
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129189 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 35507b9..af8d37a 100644
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -721,6 +721,7 @@
case Builtin::BI__sync_bool_compare_and_swap:
case Builtin::BI__sync_lock_test_and_set:
case Builtin::BI__sync_lock_release:
+ case Builtin::BI__sync_swap:
assert(0 && "Shouldn't make it through sema");
case Builtin::BI__sync_fetch_and_add_1:
case Builtin::BI__sync_fetch_and_add_2:
@@ -860,6 +861,13 @@
return RValue::get(Result);
}
+ case Builtin::BI__sync_swap_1:
+ case Builtin::BI__sync_swap_2:
+ case Builtin::BI__sync_swap_4:
+ case Builtin::BI__sync_swap_8:
+ case Builtin::BI__sync_swap_16:
+ return EmitBinaryAtomic(*this, Intrinsic::atomic_swap, E);
+
case Builtin::BI__sync_lock_test_and_set_1:
case Builtin::BI__sync_lock_test_and_set_2:
case Builtin::BI__sync_lock_test_and_set_4:
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index 105fb52..e1adfd4 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -180,6 +180,7 @@
case Builtin::BI__sync_bool_compare_and_swap:
case Builtin::BI__sync_lock_test_and_set:
case Builtin::BI__sync_lock_release:
+ case Builtin::BI__sync_swap:
return SemaBuiltinAtomicOverloaded(move(TheCallResult));
}
@@ -415,7 +416,8 @@
BUILTIN_ROW(__sync_val_compare_and_swap),
BUILTIN_ROW(__sync_bool_compare_and_swap),
BUILTIN_ROW(__sync_lock_test_and_set),
- BUILTIN_ROW(__sync_lock_release)
+ BUILTIN_ROW(__sync_lock_release),
+ BUILTIN_ROW(__sync_swap)
};
#undef BUILTIN_ROW
@@ -468,6 +470,7 @@
NumFixed = 0;
ResultType = Context.VoidTy;
break;
+ case Builtin::BI__sync_swap: BuiltinIndex = 14; break;
}
// Now that we know how many fixed arguments we expect, first check that we