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2014 May 14
4
[LLVMdev] Question about calling convention implementation in LLVM target
Hi, We are currently developing an LLVM target for a micro-controller, and would like our TargetLowering::LowerCall method to emit PUSH instructions (instead of STORE) to pass arguments (which would improve code density for function calls). Is there a way of keeping track of the stack pointer changes implied by the PUSH instruction to calculate the correct offsets in