[mlir][arith] Adding addition regression tests (#96973)

arith addition regression tests, a component of the large
#92272

Author: pingshiyu

mlir/test/Integration/Dialect/Arith/CPU/addition.mlir

@@ -0,0 +1,88 @@
+// RUN: mlir-opt %s --convert-scf-to-cf --convert-cf-to-llvm --convert-vector-to-llvm \
+// RUN:             --convert-func-to-llvm --convert-arith-to-llvm | \
+// RUN:   mlir-cpu-runner -e entry -entry-point-result=void \
+// RUN:                   --shared-libs=%mlir_c_runner_utils | \
+// RUN:   FileCheck %s --match-full-lines
+
+func.func @addi_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@addi_i1\n"
+  %res = arith.addi %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @addi() {
+  // ------------------------------------------------
+  // Test i1
+  // ------------------------------------------------
+
+  // addi on i1
+  // addi(0, 1) : i1 = 1 : i1; addi(0, -1) : i1 = 1
+  %false = arith.constant 0 : i1
+  %true = arith.constant 1 : i1
+
+  // CHECK-LABEL: @addi_i1
+  // CHECK-NEXT:  1
+  func.call @addi_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @addi_i1
+  // CHECK-NEXT:  1
+  %true_based_on_non_zero_val = arith.constant -1 : i1
+  func.call @addi_i1(%false, %true_based_on_non_zero_val) : (i1, i1) -> ()
+
+  // ------------------------------------------------
+  // TODO: Test i8, i16 etc..
+  // ------------------------------------------------
+
+  return
+}
+
+func.func @addui_extended_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@addui_extended_i1\n"
+  %res, %overflow = arith.addui_extended %v1, %v2 : i1, i1
+  vector.print %res : i1
+  vector.print %overflow : i1
+  return
+}
+
+func.func @addi_extended() {
+  // ------------------------------------------------
+  // Test i1
+  // ------------------------------------------------
+
+  // addui_extended on i1
+  // addui_extended 1 1 : i1 = 0, 1
+  %true = arith.constant 1 : i1
+  %false = arith.constant 0 : i1
+  
+  // CHECK-LABEL: @addui_extended_i1
+  // CHECK-NEXT:  0
+  // CHECK-NEXT:  1
+  func.call @addui_extended_i1(%true, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @addui_extended_i1
+  // CHECK-NEXT:  1
+  // CHECK-NEXT:  0
+  func.call @addui_extended_i1(%true, %false) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @addui_extended_i1
+  // CHECK-NEXT:  1
+  // CHECK-NEXT:  0
+  func.call @addui_extended_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @addui_extended_i1
+  // CHECK-NEXT:  0
+  // CHECK-NEXT:  0
+  func.call @addui_extended_i1(%false, %false) : (i1, i1) -> ()
+
+  // ------------------------------------------------
+  // TODO: Test i8, i16 etc.. 
+  // ------------------------------------------------
+  return
+}
+
+func.func @entry() {
+  func.call @addi() : () -> ()
+  func.call @addi_extended() : () -> ()
+  return
+}