From d9c7fc658d2befdca9cc147801abfe50cb364767 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Thu, 16 Apr 2020 14:28:18 +0200
Subject: [PATCH] Revert "[MLIR] Add IndexAttr to primitive attributes kinds in
 tablegen."

This reverts commit 997f33cfeec9cd8c5bc913cf862794e986a4bd39. Breaks check-mlir

******************** TEST 'MLIR :: IR/attribute.mlir' FAILED ********************
Script:
--
: 'RUN: at line 1';   mlir-opt llvm-project/mlir/test/IR/attribute.mlir -split-input-file -verify-diagnostics | /FileCheck llvm-project/mlir/test/IR/attribute.mlir
--
Exit Code: 1

Command Output (stderr):
--
llvm-project/mlir/test/IR/attribute.mlir split at line #1:19:3: error: unexpected error: 'test.int_attrs' op requires attribute 'index_attr'
  "test.int_attrs"() {
  ^
llvm-project/mlir/test/IR/attribute.mlir split at line #120:6:3: error: unexpected error: 'test.int_attrs' op requires attribute 'index_attr'
  "test.int_attrs"() {
  ^
llvm-project/mlir/test/IR/attribute.mlir split at line #120:5:6: error: expected error "'si32_attr' failed to satisfy constraint: 32-bit signed integer attribute" was not produced
  // expected-error @+1 {{'si32_attr' failed to satisfy constraint: 32-bit signed integer attribute}}
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
llvm-project/mlir/test/IR/attribute.mlir split at line #133:5:3: error: unexpected error: 'test.int_attrs' op requires attribute 'index_attr'
  "test.int_attrs"() {
  ^
llvm-project/mlir/test/IR/attribute.mlir split at line #133:4:6: error: expected error "'ui32_attr' failed to satisfy constraint: 32-bit unsigned integer attribute" was not produced
  // expected-error @+1 {{'ui32_attr' failed to satisfy constraint: 32-bit unsigned integer attribute}}
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
llvm-project/mlir/test/IR/attribute.mlir:9:12: error: CHECK: expected string not found in input
 // CHECK: any_i32_attr = 5 : ui32
           ^
<stdin>:3:1: note: scanning from here
module {
^
<stdin>:21:28: note: possible intended match here
 "test.non_negative_int_attr"() {i32attr = 5 : i32, i64attr = 10 : i64} : () -> ()
---
 mlir/include/mlir/IR/OpBase.td        | 10 ----------
 mlir/test/IR/attribute.mlir           |  2 --
 mlir/test/lib/Dialect/Test/TestOps.td |  1 -
 3 files changed, 13 deletions(-)

diff --git a/mlir/include/mlir/IR/OpBase.td b/mlir/include/mlir/IR/OpBase.td
index 14ef45ed4c7f..e552279e8a8e 100644
--- a/mlir/include/mlir/IR/OpBase.td
+++ b/mlir/include/mlir/IR/OpBase.td
@@ -845,16 +845,6 @@ def BoolAttr : Attr<CPred<"$_self.isa<BoolAttr>()">, "bool attribute"> {
   let constBuilderCall = "$_builder.getBoolAttr($0)";
 }
 
-// Index attribute.
-def IndexAttr :
-    TypedAttrBase<
-      Index, "IntegerAttr",
-      And<[CPred<"$_self.isa<IntegerAttr>()">,
-           CPred<"$_self.cast<IntegerAttr>().getType().isa<IndexType>()">]>,
-      "index attribute"> {
-  let returnType = [{ APInt }];
-}
-
 // Base class for any integer (regardless of signedness semantics) attributes
 // of fixed width.
 class AnyIntegerAttrBase<AnyI attrValType, string descr> :
diff --git a/mlir/test/IR/attribute.mlir b/mlir/test/IR/attribute.mlir
index 32b8f8c25180..31804b274a55 100644
--- a/mlir/test/IR/attribute.mlir
+++ b/mlir/test/IR/attribute.mlir
@@ -8,8 +8,6 @@ func @int_attrs_pass() {
   "test.int_attrs"() {
     // CHECK: any_i32_attr = 5 : ui32
     any_i32_attr = 5 : ui32,
-    // CHECK-SAME: index_attr = 8 : index
-    index_attr = 8 : index,
     // CHECK-SAME: si32_attr = 7 : si32
     si32_attr = 7 : si32,
     // CHECK-SAME: ui32_attr = 6 : ui32
diff --git a/mlir/test/lib/Dialect/Test/TestOps.td b/mlir/test/lib/Dialect/Test/TestOps.td
index 524780b89552..6f1ef4a50f67 100644
--- a/mlir/test/lib/Dialect/Test/TestOps.td
+++ b/mlir/test/lib/Dialect/Test/TestOps.td
@@ -199,7 +199,6 @@ def I64EnumAttrOp : TEST_Op<"i64_enum_attr"> {
 def IntAttrOp : TEST_Op<"int_attrs"> {
   let arguments = (ins
     AnyI32Attr:$any_i32_attr,
-    IndexAttr:$index_attr,
     UI32Attr:$ui32_attr,
     SI32Attr:$si32_attr
   );