[mlir][emitc] Fix invalid syntax in example of emitc.return (#121112)

hatoo · web-flow · commit cbff02b101c2 · 2025-01-02T18:13:27.000+01:00
A return type of `emitc.func` must be specified with `-&gt;` instead of
`:`. I've verified the syntax using `mlir-translate --mlir-to-cpp`.
diff --git a/mlir/include/mlir/Dialect/EmitC/IR/EmitC.td b/mlir/include/mlir/Dialect/EmitC/IR/EmitC.td
@@ -727,7 +727,7 @@ def EmitC_ReturnOp : EmitC_Op<"return", [Pure, HasParent<"FuncOp">,
     Example:
 
     ```mlir
-    emitc.func @foo() : (i32) {
+    emitc.func @foo() -> (i32) {
       ...
       emitc.return %0 : i32
     }

Original file line number	Diff line number	Diff line change
`@@ -727,7 +727,7 @@ def EmitC_ReturnOp : EmitC_Op<"return", [Pure, HasParent<"FuncOp">,`
`727`	`727`	`Example:`
`728`	`728`
`729`	`729`	```mlir
`730`		`- emitc.func @foo() : (i32) {`
	`730`	`+ emitc.func @foo() -> (i32) {`
`731`	`731`	`...`
`732`	`732`	`emitc.return %0 : i32`
`733`	`733`	`}`