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Fix MIR to LLVM IR sentence (#811)

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Santiago Pastorino 2020-07-27 17:03:37 -03:00 committed by GitHub
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@ -87,10 +87,10 @@ we'll talk about that later.
- We then begin what is vaguely called _code generation_ or _codegen_. - We then begin what is vaguely called _code generation_ or _codegen_.
- The [code generation stage (codegen)][codegen] is when higher level - The [code generation stage (codegen)][codegen] is when higher level
representations of source are turned into an executable binary. `rustc` representations of source are turned into an executable binary. `rustc`
uses LLVM for code generation. The first step is the MIR is then uses LLVM for code generation. The first step is to convert the MIR
converted to LLVM Intermediate Representation (LLVM IR). This is where to LLVM Intermediate Representation (LLVM IR). This is where the MIR
the MIR is actually monomorphized, according to the list we created in is actually monomorphized, according to the list we created in the
the previous step. previous step.
- The LLVM IR is passed to LLVM, which does a lot more optimizations on it. - The LLVM IR is passed to LLVM, which does a lot more optimizations on it.
It then emits machine code. It is basically assembly code with additional It then emits machine code. It is basically assembly code with additional
low-level types and annotations added. (e.g. an ELF object or wasm). low-level types and annotations added. (e.g. an ELF object or wasm).