[mlir] NFC: fix dependence of (Tensor|Linalg|MemRef|Complex) dialects on LLVM Dialect and LLVM Core in CMake build (#104832)

This change removes dependencies declared as either 'LINK_LIBS' or
'LINK_COMPONENTS' across several MLIR libraries. The removed
dependencies appear
to be incorrect and may have been required in older versions of the
project.
These dependencies cause many high level dialects to have transitive
dependence on the LLVM dialect and the LLVM 'Core' library
('llvm/lib/IR').

Note that if using the 'Ninja' CMake generator, one can inspect the
dependencies
(including all transitive libraries) of any given MLIR target but using
the command `ninja -C <build dir> -t browse` and navigating to the
library
of interest in a web browser.

Author: christopherbate

mlir/lib/Conversion/AffineToStandard/CMakeLists.txt

@@ -7,9 +7,6 @@ add_mlir_conversion_library(MLIRAffineToStandard
   DEPENDS
   MLIRConversionPassIncGen
 
-  LINK_COMPONENTS
-  Core
-
   LINK_LIBS PUBLIC
   MLIRAffineDialect
   MLIRAffineTransforms

mlir/lib/Conversion/ControlFlowToSCF/CMakeLists.txt

@@ -5,11 +5,7 @@ add_mlir_conversion_library(MLIRControlFlowToSCF
   ${MLIR_MAIN_INCLUDE_DIR}/mlir/Conversion/ControlFlowToSCF
 
   DEPENDS
-  MLIRConversionPassIncGen
-  intrinsics_gen
-
-  LINK_COMPONENTS
-  Core
+  MLIRConversionPassIncGen  
 
   LINK_LIBS PUBLIC
   MLIRAnalysis

mlir/lib/Conversion/ControlFlowToSCF/ControlFlowToSCF.cpp

@@ -16,7 +16,6 @@
 #include "mlir/Dialect/ControlFlow/IR/ControlFlow.h"
 #include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
 #include "mlir/Dialect/Func/IR/FuncOps.h"
-#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
 #include "mlir/Dialect/SCF/IR/SCF.h"
 #include "mlir/Dialect/UB/IR/UBOps.h"
 #include "mlir/Pass/Pass.h"

mlir/lib/Conversion/SCFToControlFlow/CMakeLists.txt

@@ -5,10 +5,7 @@ add_mlir_conversion_library(MLIRSCFToControlFlow
   ${MLIR_MAIN_INCLUDE_DIR}/mlir/Conversion/SCFToControlFlow
 
   DEPENDS
-  MLIRConversionPassIncGen
-
-  LINK_COMPONENTS
-  Core
+  MLIRConversionPassIncGen  
 
   LINK_LIBS PUBLIC
   MLIRArithDialect

mlir/lib/Conversion/SCFToControlFlow/SCFToControlFlow.cpp

@@ -15,7 +15,6 @@
 
 #include "mlir/Dialect/Arith/IR/Arith.h"
 #include "mlir/Dialect/ControlFlow/IR/ControlFlowOps.h"
-#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
 #include "mlir/Dialect/SCF/IR/SCF.h"
 #include "mlir/Dialect/SCF/Transforms/Transforms.h"
 #include "mlir/IR/Builders.h"
@@ -379,8 +378,8 @@ LogicalResult ForLowering::matchAndRewrite(ForOp forOp,
   // llvm.loop_annotation attribute.
   SmallVector<NamedAttribute> llvmAttrs;
   llvm::copy_if(forOp->getAttrs(), std::back_inserter(llvmAttrs),
-                [](auto attr) {
-                  return isa<LLVM::LLVMDialect>(attr.getValue().getDialect());
+                [](NamedAttribute attr) {
+                  return attr.getValue().getDialect().getNamespace() == "llvm";
                 });
   condBranchOp->setDiscardableAttrs(llvmAttrs);
   // The result of the loop operation is the values of the condition block

mlir/lib/Conversion/VectorToSCF/CMakeLists.txt

@@ -4,12 +4,8 @@ add_mlir_conversion_library(MLIRVectorToSCF
   ADDITIONAL_HEADER_DIRS
   ${MLIR_MAIN_INCLUDE_DIR}/mlir/Conversion/VectorToSCF
 
-  LINK_COMPONENTS
-  Core
-
   LINK_LIBS PUBLIC
   MLIRArithDialect
-  MLIRLLVMDialect
   MLIRMemRefDialect
   MLIRTransforms
   MLIRVectorDialect

mlir/lib/Dialect/Affine/Transforms/CMakeLists.txt

@@ -39,6 +39,5 @@ add_mlir_dialect_library(MLIRAffineTransforms
   MLIRValueBoundsOpInterface
   MLIRVectorDialect
   MLIRVectorUtils
-  MLIRVectorToLLVM
   )
 

mlir/lib/Dialect/Complex/IR/CMakeLists.txt

@@ -10,7 +10,6 @@ add_mlir_dialect_library(MLIRComplexDialect
   MLIRComplexAttributesIncGen
 
   LINK_LIBS PUBLIC
-  MLIRArithAttrToLLVMConversion
   MLIRArithDialect
   MLIRDialect
   MLIRInferTypeOpInterface

mlir/lib/Dialect/Linalg/Transforms/CMakeLists.txt

@@ -60,7 +60,6 @@ add_mlir_dialect_library(MLIRLinalgTransforms
   MLIRDestinationStyleOpInterface
   MLIRDialectUtils
   MLIRFuncDialect
-  MLIRFuncToLLVM
   MLIRFuncTransforms
   MLIRIndexDialect
   MLIRInferTypeOpInterface
@@ -87,6 +86,5 @@ add_mlir_dialect_library(MLIRLinalgTransforms
   MLIRVectorDialect
   MLIRVectorTransforms
   MLIRVectorUtils
-  MLIRX86VectorTransforms
   MLIRVectorToSCF
 )

mlir/lib/Dialect/MemRef/IR/CMakeLists.txt

@@ -10,9 +10,6 @@ add_mlir_dialect_library(MLIRMemRefDialect
   DEPENDS
   MLIRMemRefOpsIncGen
 
-  LINK_COMPONENTS
-  Core
-
   LINK_LIBS PUBLIC
   MLIRArithDialect
   MLIRArithUtils