Update names in docs

docs/advanced/ir.md

@@ -100,7 +100,7 @@ In other words, a simple form of constant folding that only looks at addition on
 The resulting pass would like this:
 
 ``` cpp
-#include "codon/sir/transform/pass.h"
+#include "codon/cir/transform/pass.h"
 
 using namespace codon::ir;
 
@@ -206,7 +206,7 @@ Assume we want our pass to insert a call to `validate()` after each assignment t
 and the argument passed to `foo()`. We would do something like the following:
 
 ``` cpp
-#include "codon/sir/transform/pass.h"
+#include "codon/cir/transform/pass.h"
 
 using namespace codon::ir;
 
@@ -267,8 +267,8 @@ would subclass `CustomType`. Let's look at an example where we extend CIR to add
 ``` cpp
 using namespace codon::ir;
 
-#include "codon/sir/dsl/nodes.h"
-#include "codon/sir/llvm/llvisitor.h"
+#include "codon/cir/dsl/nodes.h"
+#include "codon/cir/llvm/llvisitor.h"
 
 class Builder : public dsl::codegen::TypeBuilder {
 public:

docs/intro/faq.md

@@ -121,9 +121,9 @@ to help provide a sense of where to look first:
 - [`codon/`](https://github.com/exaloop/codon/tree/develop/codon): compiler code
   - [`codon/parser/`](https://github.com/exaloop/codon/tree/develop/codon/parser):
     parser and type checker code: this is the first step of compilation
-  - [`codon/sir/`](https://github.com/exaloop/codon/tree/develop/codon/sir):
+  - [`codon/cir/`](https://github.com/exaloop/codon/tree/develop/codon/cir):
     Codon IR and optimizations: the second step of compilation
-  - [`codon/sir/llvm/`](https://github.com/exaloop/codon/tree/develop/codon/sir/llvm):
+  - [`codon/cir/llvm/`](https://github.com/exaloop/codon/tree/develop/codon/cir/llvm):
     conversion from Codon IR to LLVM IR and machine code: the last step of compilation
   - [`codon/runtime/`](https://github.com/exaloop/codon/tree/develop/codon/runtime):
     runtime library: used during execution