================
@@ -899,6 +899,12 @@ def FrameAddress : Builtin {
let Prototype = "void*(_Constant unsigned int)";
}
+def StackAddress : Builtin {
+ let Spellings = ["__builtin_stack_address"];
+ let Attributes = [NoThrow];
----------------
aalhwc wrote:
I may be wrong here but I am not sure if this is an instance of a `Const` or
even `Pure` function. Two consecutive calls to `__builtin_stack_address` can
return different values which makes it im`Pure`. Since `Const` functions are a
subset of `Pure` functions, it also can't be `Const`. This is based on
[GCC](https://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html)'s
documentation regarding function attributes.
https://github.com/llvm/llvm-project/pull/121332
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