LLVM IR alloca instruction
问题 I want to design a IR (like LLVM IR) for my toy compiler and I don't know what is the purpose of the alloca instruction in further analysis. In which optimizations alloca informations are used? 回答1: The ‘alloca‘ instruction allocates memory on the stack frame of the currently executing function, to be automatically released when this function returns to its caller. The object is always allocated in the address space for allocas indicated in the datalayout. The ‘alloca‘ instruction is commonly