[LLVM16] Add --typed-pointer flag which will force typed pointers for LLVM 16 Typed-to-Opaque pointer transition v2

Porting IGC code to LLVM16

* Add --typed-pointer flag which will force typed pointers for LLVM 16 Typed-to-Opaque pointer transition
The purpose of it is to allow "typed" LITs to work fine on LLVM 16

Author: bokrzesi

IGC/Compiler/tests/GEPLoopStrengthReduction/common-multiplier.ll

@@ -7,8 +7,8 @@
 ;============================ end_copyright_notice =============================
 
 ; REQUIRES: regkeys
-; RUN: igc_opt --regkey=EnableGEPLSRUnknownConstantStep=0 --regkey=EnableGEPLSRMulExpr=1 -debugify --igc-gep-loop-strength-reduction -check-debugify -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-MUL-ENABLED
-; RUN: igc_opt --regkey=EnableGEPLSRUnknownConstantStep=0 --regkey=EnableGEPLSRMulExpr=0 -debugify --igc-gep-loop-strength-reduction -check-debugify -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-MUL-DISABLED
+; RUN: igc_opt --typed-pointers --regkey=EnableGEPLSRUnknownConstantStep=0 --regkey=EnableGEPLSRMulExpr=1 -debugify --igc-gep-loop-strength-reduction -check-debugify -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-MUL-ENABLED
+; RUN: igc_opt --typed-pointers --regkey=EnableGEPLSRUnknownConstantStep=0 --regkey=EnableGEPLSRMulExpr=0 -debugify --igc-gep-loop-strength-reduction -check-debugify -S < %s 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-MUL-DISABLED
 
 ; Reduced index is expressed with SCEVMulExpr.
 

IGC/Compiler/tests/PrivateMemoryResolution/opt-enabled.ll

@@ -9,7 +9,7 @@
 ; UNSUPPORTED: system-windows
 ;
 ; REQUIRES: regkeys
-; RUN: igc_opt --regkey EnablePrivMemNewSOATranspose=0 --igc-private-mem-resolution -S %s | FileCheck %s
+; RUN: igc_opt --typed-pointers --regkey EnablePrivMemNewSOATranspose=0 --igc-private-mem-resolution -S %s | FileCheck %s
 ; ------------------------------------------------
 ; PrivateMemoryResolution
 ; ------------------------------------------------

IGC/Compiler/tests/ProgramScopeConstantAnalysis/printf-empty-string.ll

@@ -6,7 +6,7 @@
 ;
 ;============================ end_copyright_notice =============================
 
-; RUN: igc_opt -igc-programscope-constant-analysis -igc-serialize-metadata \
+; RUN: igc_opt --typed-pointers -igc-programscope-constant-analysis -igc-serialize-metadata \
 ; RUN:   -S < %s | FileCheck %s
 ; ------------------------------------------------
 ; ProgramScopeConstantAnalysis

IGC/Compiler/tests/ProgramScopeConstantAnalysis/printf-null-termination-inside-string.ll

@@ -6,7 +6,7 @@
 ;
 ;============================ end_copyright_notice =============================
 
-; RUN: igc_opt -igc-programscope-constant-analysis -igc-serialize-metadata \
+; RUN: igc_opt --typed-pointers -igc-programscope-constant-analysis -igc-serialize-metadata \
 ; RUN:   -S < %s | FileCheck %s
 ; ------------------------------------------------
 ; ProgramScopeConstantAnalysis

IGC/Compiler/tests/RegPressureEstimator/ExternalPressureEstimator.ll

@@ -1,6 +1,6 @@
 ; UNSUPPORTED: system-windows
 ; REQUIRES: regkeys
-; RUN: igc_opt --igc-pressure-printer -S --disable-output --regkey=RegPressureVerbocity=1 < %s 2>&1 | FileCheck %s
+; RUN: igc_opt --typed-pointers --igc-pressure-printer -S --disable-output --regkey=RegPressureVerbocity=1 < %s 2>&1 | FileCheck %s
 
 define spir_func void @baz() nounwind {
 entry:

IGC/Compiler/tests/RegPressureEstimator/RegPressureEstimatorTest.ll

@@ -1,6 +1,6 @@
 ; UNSUPPORTED: system-windows
 ; REQUIRES: regkeys
-; RUN: igc_opt --igc-pressure-printer -S --disable-output --regkey=RegPressureVerbocity=5 < %s 2>&1 | FileCheck %s
+; RUN: igc_opt --typed-pointers --igc-pressure-printer -S --disable-output --regkey=RegPressureVerbocity=5 < %s 2>&1 | FileCheck %s
 
 define void @main() {
 entry:

IGC/Compiler/tests/RematAddressArithmetic/cloneAddressArithmetic.ll

@@ -8,7 +8,7 @@
 
 ; REQUIRES: regkeys
 ; UNSUPPORTED: system-windows
-; RUN: igc_opt %s -S -o - -igc-clone-address-arithmetic --regkey=RematChainLimit=10 --regkey=RematFlowThreshold=100 --regkey=RematRPELimit=0 --dce | FileCheck %s
+; RUN: igc_opt --typed-pointers %s -S -o - -igc-clone-address-arithmetic --regkey=RematChainLimit=10 --regkey=RematFlowThreshold=100 --regkey=RematRPELimit=0 --dce | FileCheck %s
 
 define spir_kernel void @main(double addrspace(1)* %base, i64 %offset, i64 %I, i64 %J) {
 ; CHECK: define spir_kernel void @main(double addrspace(1)* [[BASE:%.*]], i64 [[OFFSET:%.*]], i64 %I, i64 %J)