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Hello, I'm trying to get to grips with the c interface of llvm intending to eventually develop a front end for Purebasic Though I've hit the wall already writing an iterative Fibonacci function. While I think the module dump looks ok it doesn't work for any input > 2 the function returns 2, the loop only executes once Hopefully someone can see what the problem is from the

...problem I'm stuck on is folding memory operands. In the test file above, in @testSum, switch %a, %b to %b, %a. llc will assert in Register Spilling: "Remaining use wasn't a snippet copy". Debug output shows STRabs being generated, followed by an attempted fold of a stack-load into ADDabs. I must be on the wrong track in M6502InstrInfo::foldMemoryOperandImpl. If someone could please explain this error, it would really help. Thanks! - Nolan