[mlir][arith] Add comparison integration tests

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

@@ -0,0 +1,174 @@
+// 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 @cmpi_eq_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@cmpi_eq_i1\n"
+  %res = arith.cmpi eq, %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_slt_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@cmpi_slt_i1\n"
+  %res = arith.cmpi slt, %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_sle_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@cmpi_sle_i1\n"
+  %res = arith.cmpi sle, %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_sgt_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@cmpi_sgt_i1\n"
+  %res = arith.cmpi sgt, %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_sge_i1(%v1 : i1, %v2 : i1) {
+  vector.print str "@cmpi_sge_i1\n"
+  %res = arith.cmpi sge, %v1, %v2 : i1
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_eq() {
+  // ------------------------------------------------
+  // Test i1
+  // ------------------------------------------------
+  %false_i1 = arith.constant 0 : i1
+  %true_i1 = arith.constant 1 : i1
+  %true_i1_n1 = arith.constant -1 : i1
+
+  // int values 1 and -1 are represented with the same bitvector (`0b1`)
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%true_i1, %true_i1_n1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_eq_i1(%false_i1, %true_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_eq_i1(%true_i1, %false_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%true_i1, %true_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%false_i1, %false_i1) : (i1, i1) -> ()
+
+  %false = arith.constant false
+  %true = arith.constant true
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%true, %true_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%false, %false_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_eq_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_eq_i1(%true, %true_i1_n1) : (i1, i1) -> ()
+
+  // ------------------------------------------------
+  // TODO: Test i8, i16 etc..
+  // ------------------------------------------------
+  return
+}
+
+func.func @cmpi_signed() {
+  // ------------------------------------------------
+  // Test i1
+  // ------------------------------------------------
+  %false_i1 = arith.constant 0 : i1
+  %true_i1 = arith.constant 1 : i1
+  %true_i1_n1 = arith.constant -1 : i1
+
+  // int values 1 and -1 are represented with the same bitvector (`0b1`)
+  // But, bitvector `1` is interpreted as int value -1 in signed comparison
+
+  // CHECK-LABEL: @cmpi_sge_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_sge_i1(%false_i1, %true_i1_n1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sge_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_sge_i1(%false_i1, %true_i1) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sge_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_sge_i1(%true_i1, %false_i1) : (i1, i1) -> ()
+
+  %false = arith.constant false
+  %true = arith.constant true
+
+  // CHECK-LABEL: @cmpi_slt_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_slt_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sle_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_sle_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sgt_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_sgt_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sge_i1
+  // CHECK-NEXT:  1
+  func.call @cmpi_sge_i1(%false, %true) : (i1, i1) -> ()
+
+  // CHECK-LABEL: @cmpi_sge_i1
+  // CHECK-NEXT:  0
+  func.call @cmpi_sge_i1(%true, %false) : (i1, i1) -> ()
+
+  // ------------------------------------------------
+  // TODO: Test i8, i16 etc..
+  // ------------------------------------------------
+  return
+}
+
+func.func @cmpi_ult_index(%v1 : index, %v2 : index) {
+  vector.print str "@cmpi_ult_index\n"
+  %res = arith.cmpi ult, %v1, %v2 : index
+  vector.print %res : i1
+  return
+}
+
+func.func @cmpi_unsigned() {
+  // ------------------------------------------------
+  // Test index
+  // ------------------------------------------------
+  // 0 `ult` -2^63 = true
+  %zero = arith.constant 0 : index
+  %index_min = arith.constant -9223372036854775808 : index
+
+  // CHECK-LABEL: @cmpi_ult_index
+  // CHECK-NEXT: 1
+  func.call @cmpi_ult_index(%zero, %index_min) : (index, index) -> ()
+
+  // ------------------------------------------------
+  // TODO: i1, i8, i16, uge, ule etc.. 
+  // ------------------------------------------------
+  return
+}
+
+func.func @entry() {
+  func.call @cmpi_eq() : () -> ()
+  func.call @cmpi_signed() : () -> ()
+  func.call @cmpi_unsigned() : () -> ()
+  return
+}