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I have this test case in my frontend, which is triggering an assert in llvm master branch: fn fnWithAlignedStack() -> i32 { @setAlignStack(1024); return 1234; } It sets alignstack=1024 in the function attributes (see http://llvm.org/docs/LangRef.html#function-attributes). It's tripping an assert: llvm/lib/IR/Attributes.cpp:134: static llvm::Attribute

Yeah, the function attributes section of LangRef is a reasonable place to put stuff like this: http://llvm.org/docs/LangRef.html#function-attributes I think we should add this. I also know that LLILAC needs something like this as well. I propose the following: - Add a string attribute called "stack-probe-symbol"="foo". - The presence of this attribute indicates that stack