[llvm] [mlir] [mlir][Target][Cpp] Remove unused dialects (PR #85102)

[Marius Brehler via llvm-commits]

https://github.com/marbre created https://github.com/llvm/llvm-project/pull/85102

Removes linking and registering dialects that are not support any more.

>From 1375a1521a1f204dc3cc64bbdd37adc2f97974b6 Mon Sep 17 00:00:00 2001
From: Marius Brehler <marius.brehler at iml.fraunhofer.de>
Date: Wed, 13 Mar 2024 16:06:56 +0000
Subject: [PATCH] [mlir][Target][Cpp] Remove unused dialects

Removes linking and registering dialects that are not support any more.
---
 mlir/lib/Target/Cpp/CMakeLists.txt                | 2 --
 mlir/lib/Target/Cpp/TranslateRegistration.cpp     | 6 +-----
 mlir/test/Target/Cpp/invalid.mlir                 | 8 ++++----
 utils/bazel/llvm-project-overlay/mlir/BUILD.bazel | 2 --
 4 files changed, 5 insertions(+), 13 deletions(-)

diff --git a/mlir/lib/Target/Cpp/CMakeLists.txt b/mlir/lib/Target/Cpp/CMakeLists.txt
index d8f372cf162453..578cb2f22767aa 100644
--- a/mlir/lib/Target/Cpp/CMakeLists.txt
+++ b/mlir/lib/Target/Cpp/CMakeLists.txt
@@ -10,8 +10,6 @@ add_mlir_translation_library(MLIRTargetCpp
   MLIREmitCDialect
   MLIRFuncDialect
   MLIRIR
-  MLIRMathDialect
-  MLIRSCFDialect
   MLIRSupport
   MLIRTranslateLib
   )
diff --git a/mlir/lib/Target/Cpp/TranslateRegistration.cpp b/mlir/lib/Target/Cpp/TranslateRegistration.cpp
index 4104b177d7d9af..1aa98834a73f49 100644
--- a/mlir/lib/Target/Cpp/TranslateRegistration.cpp
+++ b/mlir/lib/Target/Cpp/TranslateRegistration.cpp
@@ -9,8 +9,6 @@
 #include "mlir/Dialect/ControlFlow/IR/ControlFlow.h"
 #include "mlir/Dialect/EmitC/IR/EmitC.h"
 #include "mlir/Dialect/Func/IR/FuncOps.h"
-#include "mlir/Dialect/Math/IR/Math.h"
-#include "mlir/Dialect/SCF/IR/SCF.h"
 #include "mlir/IR/BuiltinOps.h"
 #include "mlir/IR/Dialect.h"
 #include "mlir/Target/Cpp/CppEmitter.h"
@@ -42,9 +40,7 @@ void registerToCppTranslation() {
         // clang-format off
         registry.insert<cf::ControlFlowDialect,
                         emitc::EmitCDialect,
-                        func::FuncDialect,
-                        math::MathDialect,
-                        scf::SCFDialect>();
+                        func::FuncDialect>();
         // clang-format on
       });
 }
diff --git a/mlir/test/Target/Cpp/invalid.mlir b/mlir/test/Target/Cpp/invalid.mlir
index 552c04a9b07f7d..513371a09cde1d 100644
--- a/mlir/test/Target/Cpp/invalid.mlir
+++ b/mlir/test/Target/Cpp/invalid.mlir
@@ -10,10 +10,10 @@ func.func @multiple_blocks() {
 
 // -----
 
-func.func @unsupported_std_op(%arg0: f64) -> f64 {
-  // expected-error at +1 {{'math.absf' op unable to find printer for op}}
-  %0 = math.absf %arg0 : f64
-  return %0 : f64
+func.func @unsupported_op(%arg0: i1) {
+  // expected-error at +1 {{'cf.assert' op unable to find printer for op}}
+  cf.assert %arg0, "assertion foo"
+  return
 }
 
 // -----
diff --git a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
index 28a69c7ffea1f4..080cbdfaea1848 100644
--- a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
@@ -1773,8 +1773,6 @@ cc_library(
         ":EmitCDialect",
         ":FuncDialect",
         ":IR",
-        ":MathDialect",
-        ":SCFDialect",
         ":Support",
         ":TranslateLib",
         "//llvm:Support",