Add GenXSimplify pass into O0 VC pipeline

.

Author: vmustya

IGC/VectorCompiler/lib/GenXCodeGen/GenXTargetMachine.cpp

@@ -671,12 +671,14 @@ void GenXTargetMachine::adjustPassManager(PassManagerBuilder &PMBuilder) {
     PM.add(createCFGSimplificationPass());
 #endif
     PM.add(createInstructionCombiningPass());
+    PM.add(createGenXSimplifyPass());
     PM.add(createDeadCodeEliminationPass());
     PM.add(createSROAPass());
     PM.add(createInferAddressSpacesPass());
     PM.add(createEarlyCSEPass(true));
     PM.add(createCFGSimplificationPass());
     PM.add(createInstructionCombiningPass());
+    PM.add(createGenXSimplifyPass());
     PM.add(createDeadCodeEliminationPass());
     // PM.add(createGlobalDCEPass());
   };

IGC/VectorCompiler/lib/GenXOpts/CMAnalysis/InstructionSimplifyGenX.cpp

@@ -316,8 +316,9 @@ Value *llvm::SimplifyGenXIntrinsic(unsigned IID, Type *RetTy, Use *ArgBegin,
           == ArgBegin[GenXIntrinsic::GenXRegion::NewValueOperandNum]->getType()) {
         if (auto CMask = dyn_cast<Constant>(ArgBegin[
               GenXIntrinsic::GenXRegion::PredicateOperandNum])) {
-          if (CMask->isAllOnesValue()) {
-            unsigned NumElements = cast<IGCLLVM::FixedVectorType>(RetTy)->getNumElements();
+          auto *RetVTy = dyn_cast<IGCLLVM::FixedVectorType>(RetTy);
+          if (RetVTy && CMask->isAllOnesValue()) {
+            unsigned NumElements = RetVTy->getNumElements();
             unsigned Width = cast<ConstantInt>(
                   ArgBegin[GenXIntrinsic::GenXRegion::WrWidthOperandNum])
                 ->getZExtValue();
@@ -422,9 +423,7 @@ class GenXSimplify : public FunctionPass {
 public:
   static char ID;
 
-  GenXSimplify() : FunctionPass(ID) {
-    initializeGenXSimplifyPass(*PassRegistry::getPassRegistry());
-  }
+  GenXSimplify() : FunctionPass(ID) {}
 
   bool runOnFunction(Function &F) override;
 
@@ -512,10 +511,13 @@ bool GenXSimplify::processGenXIntrinsics(Function &F) {
 }
 
 char GenXSimplify::ID = 0;
-INITIALIZE_PASS_BEGIN(GenXSimplify, "genx-simplify",
+INITIALIZE_PASS_BEGIN(GenXSimplify, "GenXSimplify",
                       "simplify genx specific instructions", false, false)
 INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
-INITIALIZE_PASS_END(GenXSimplify, "genx-simplify",
+INITIALIZE_PASS_END(GenXSimplify, "GenXSimplify",
                     "simplify genx specific instructions", false, false)
 
-FunctionPass *llvm::createGenXSimplifyPass() { return new GenXSimplify; }
+FunctionPass *llvm::createGenXSimplifyPass() {
+  initializeGenXSimplifyPass(*PassRegistry::getPassRegistry());
+  return new GenXSimplify;
+}

IGC/VectorCompiler/test/GenXSimplify/debug-intrinsic.ll

@@ -1,12 +1,12 @@
 ;=========================== begin_copyright_notice ============================
 ;
-; Copyright (C) 2022 Intel Corporation
+; Copyright (C) 2022-2023 Intel Corporation
 ;
 ; SPDX-License-Identifier: MIT
 ;
 ;============================ end_copyright_notice =============================
 ;
-; RUN: opt %use_old_pass_manager% -genx-simplify -march=genx64 -mtriple=spir64-unknown-unknown  -mcpu=Gen9 -S < %s | FileCheck %s
+; RUN: opt %use_old_pass_manager% -GenXSimplify -march=genx64 -mtriple=spir64-unknown-unknown  -mcpu=Gen9 -S < %s | FileCheck %s
 ; ------------------------------------------------
 ; GenXSimplify
 ; ------------------------------------------------

IGC/VectorCompiler/test/GenXSimplify/masked_constant_fold.ll

@@ -1,12 +1,12 @@
 ;=========================== begin_copyright_notice ============================
 ;
-; Copyright (C) 2020-2021 Intel Corporation
+; Copyright (C) 2020-2023 Intel Corporation
 ;
 ; SPDX-License-Identifier: MIT
 ;
 ;============================ end_copyright_notice =============================
 
-; RUN: opt %use_old_pass_manager% -genx-simplify -mcpu=Gen9 -march=genx64 -mtriple=spir64 -S < %s | FileCheck %s
+; RUN: opt %use_old_pass_manager% -GenXSimplify -mcpu=Gen9 -march=genx64 -mtriple=spir64 -S < %s | FileCheck %s
 
 target datalayout = "e-p:64:64-i64:64-n8:16:32"
 

IGC/VectorCompiler/test/GenXSimplify/ptr_constant_fold.ll

@@ -1,12 +1,12 @@
 ;=========================== begin_copyright_notice ============================
 ;
-; Copyright (C) 2020-2021 Intel Corporation
+; Copyright (C) 2020-2023 Intel Corporation
 ;
 ; SPDX-License-Identifier: MIT
 ;
 ;============================ end_copyright_notice =============================
 
-; RUN: opt %use_old_pass_manager% -genx-simplify -mcpu=Gen9 -march=genx64 -mtriple=spir64 -S < %s | FileCheck %s
+; RUN: opt %use_old_pass_manager% -GenXSimplify -mcpu=Gen9 -march=genx64 -mtriple=spir64 -S < %s | FileCheck %s
 
 ;; Test constant folding of pointers -- that pass do not fails and
 ;; correctly handles pointer size.