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12 changes: 11 additions & 1 deletion mlir/include/mlir/Dialect/EmitC/IR/EmitC.td
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ include "mlir/Interfaces/CastInterfaces.td"
include "mlir/Interfaces/ControlFlowInterfaces.td"
include "mlir/Interfaces/FunctionInterfaces.td"
include "mlir/Interfaces/SideEffectInterfaces.td"
include "mlir/IR/OpAsmInterface.td"
include "mlir/IR/RegionKindInterface.td"

//===----------------------------------------------------------------------===//
Expand Down Expand Up @@ -632,7 +633,7 @@ def EmitC_DeclareFuncOp : EmitC_Op<"declare_func", [

def EmitC_FuncOp : EmitC_Op<"func", [
AutomaticAllocationScope,
FunctionOpInterface, IsolatedFromAbove
FunctionOpInterface, IsolatedFromAbove, OpAsmOpInterface
]> {
let summary = "An operation with a name containing a single `SSACFG` region";
let description = [{
Expand Down Expand Up @@ -700,6 +701,15 @@ def EmitC_FuncOp : EmitC_Op<"func", [

/// Returns the result types of this function.
ArrayRef<Type> getResultTypes() { return getFunctionType().getResults(); }

//===------------------------------------------------------------------===//
// OpAsmOpInterface Methods
//===------------------------------------------------------------------===//

/// EmitC ops in the body can omit their 'emitc.' prefix in the assembly.
static ::llvm::StringRef getDefaultDialect() {
return "emitc";
}
}];
let hasCustomAssemblyFormat = 1;
let hasVerifier = 1;
Expand Down
18 changes: 9 additions & 9 deletions mlir/test/Conversion/FuncToEmitC/func-to-emitc.mlir
Original file line number Diff line number Diff line change
@@ -1,15 +1,15 @@
// RUN: mlir-opt -split-input-file -convert-func-to-emitc %s | FileCheck %s

// CHECK-LABEL: emitc.func @foo()
// CHECK-NEXT: emitc.return
// CHECK-NEXT: return
func.func @foo() {
return
}

// -----

// CHECK-LABEL: emitc.func private @foo() attributes {specifiers = ["static"]}
// CHECK-NEXT: emitc.return
// CHECK-NEXT: return
func.func private @foo() {
return
}
Expand All @@ -25,7 +25,7 @@ func.func @foo(%arg0: i32) {
// -----

// CHECK-LABEL: emitc.func @foo(%arg0: i32) -> i32
// CHECK-NEXT: emitc.return %arg0 : i32
// CHECK-NEXT: return %arg0 : i32
func.func @foo(%arg0: i32) -> i32 {
return %arg0 : i32
}
Expand All @@ -41,14 +41,14 @@ func.func @foo(%arg0: i32, %arg1: i32) -> i32 {
// -----

// CHECK-LABEL: emitc.func private @return_i32(%arg0: i32) -> i32 attributes {specifiers = ["static"]}
// CHECK-NEXT: emitc.return %arg0 : i32
// CHECK-NEXT: return %arg0 : i32
func.func private @return_i32(%arg0: i32) -> i32 {
return %arg0 : i32
}

// CHECK-LABEL: emitc.func @call(%arg0: i32) -> i32
// CHECK-NEXT: %0 = emitc.call @return_i32(%arg0) : (i32) -> i32
// CHECK-NEXT: emitc.return %0 : i32
// CHECK-NEXT: %0 = call @return_i32(%arg0) : (i32) -> i32
// CHECK-NEXT: return %0 : i32
func.func @call(%arg0: i32) -> i32 {
%0 = call @return_i32(%arg0) : (i32) -> (i32)
return %0 : i32
Expand All @@ -62,14 +62,14 @@ func.func private @return_i32(%arg0: i32) -> i32
// -----

// CHECK-LABEL: emitc.func private @return_void() attributes {specifiers = ["static"]}
// CHECK-NEXT: emitc.return
// CHECK-NEXT: return
func.func private @return_void() {
return
}

// CHECK-LABEL: emitc.func @call()
// CHECK-NEXT: emitc.call @return_void() : () -> ()
// CHECK-NEXT: emitc.return
// CHECK-NEXT: call @return_void() : () -> ()
// CHECK-NEXT: return
func.func @call() {
call @return_void() : () -> ()
return
Expand Down
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