Revert "[CIR] Add cir-opt tool to exercise CIR dialect parsing (llvm#128254)"

This reverts commit 607a1f2.

Author: lanza

clang/include/clang/CIR/Passes.h

@@ -27,7 +27,6 @@
 #include "clang/CIR/Dialect/IR/CIRAttrVisitor.h"
 #include "clang/CIR/Dialect/IR/CIRDialect.h"
 #include "clang/CIR/MissingFeatures.h"
-#include "clang/CIR/Passes.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/TimeProfiler.h"
 
@@ -305,11 +304,11 @@ void ConvertCIRToLLVMPass::runOnOperation() {
     signalPassFailure();
 }
 
-std::unique_ptr<mlir::Pass> createConvertCIRToLLVMPass() {
+static std::unique_ptr<mlir::Pass> createConvertCIRToLLVMPass() {
   return std::make_unique<ConvertCIRToLLVMPass>();
 }
 
-void populateCIRToLLVMPasses(mlir::OpPassManager &pm) {
+static void populateCIRToLLVMPasses(mlir::OpPassManager &pm) {
   pm.addPass(createConvertCIRToLLVMPass());
 }
 

clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp

@@ -85,13 +85,7 @@ list(APPEND CLANG_TEST_DEPS
   diagtool
   hmaptool
   )
-
-if(CLANG_ENABLE_CIR)
-  list(APPEND CLANG_TEST_DEPS
-    cir-opt
-    )
-endif()
-
+  
 if(CLANG_ENABLE_STATIC_ANALYZER)
   list(APPEND CLANG_TEST_DEPS
     clang-check

clang/test/CIR/IR/func.cir

@@ -29,7 +29,6 @@
     ".c",
     ".cpp",
     ".i",
-    ".cir",
     ".cppm",
     ".m",
     ".mm",
@@ -86,7 +85,6 @@
 tools = [
     "apinotes-test",
     "c-index-test",
-    "cir-opt",
     "clang-diff",
     "clang-format",
     "clang-repl",

clang/test/CIR/IR/global.cir

@@ -3,9 +3,6 @@ create_subdirectory_options(CLANG TOOL)
 add_clang_subdirectory(diagtool)
 add_clang_subdirectory(driver)
 add_clang_subdirectory(apinotes-test)
-if(CLANG_ENABLE_CIR)
-  add_clang_subdirectory(cir-opt)
-endif()
 add_clang_subdirectory(clang-diff)
 add_clang_subdirectory(clang-format)
 add_clang_subdirectory(clang-fuzzer)