[LLVM16] [LITS] Fixing LIT tests of ConstantCoalescing

Porting IGC code to LLVM16

* Fixing LIT test ConstantCoalescing\ldraws-typed-pointers.ll

Author: bokrzesi

IGC/Compiler/tests/ConstantCoalescing/ldraws-typed-pointers.ll

@@ -6,7 +6,7 @@
 ;
 ;============================ end_copyright_notice =============================
 
-; RUN: igc_opt %s -S -o - -igc-constant-coalescing -instcombine -dce | FileCheck %s
+; RUN: igc_opt %s -S -o - -igc-constant-coalescing -instcombine -dce | FileCheck %s --check-prefixes=CHECK,%LLVM_DEPENDENT_CHECK_PREFIX%
 
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f80:128:128-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-a:64:64-f80:128:128-n8:16:32:64"
 
@@ -91,12 +91,14 @@ exitBB:
 
  ; CHECK-LABEL: define <4 x float> @f2
  ; CHECK: %1 = call <1 x float> @llvm.genx.GenISA.ldrawvector.indexed.v1f32.p2490373i8(i8 addrspace(2490373)* %0, i32 %src, i32 4, i1 false)
- ; CHECK: %2 = extractelement <1 x float> %1, {{i[0-9]+}} 0
+ ; CHECK-LLVM-14-PLUS: %2 = extractelement <1 x float> %1, {{i[0-9]+}} 0
+ ; CHECK-LLVM-15-PLUS: %2 = extractelement <1 x float> %1, {{i[0-9]+}} 0
  ; CHECK:  br label %storeBB
  ; CHECK-LABEL: storeBB:
  ; CHECK: call void @llvm.genx.GenISA.storeraw.indexed.p2490368i8.f32(i8 addrspace(2490373)* %0, i32 %src, float 0.000000e+00, i32 4, i1 false)
  ; CHECK: br label %exitBB
  ; CHECK-LABEL: exitBB:
+ ; CHECK-LLVM-16-PLUS: %2 = extractelement <1 x float> %1, {{i[0-9]+}} 0
  ; CHECK: %3 = add i32 %src, 4
  ; CHECK: %4 = call <16 x float> @llvm.genx.GenISA.ldrawvector.indexed.v16f32.p2490373i8(i8 addrspace(2490373)* %0, i32 %3, i32 4, i1 false)
  ; CHECK: %5 = extractelement <16 x float> %4, {{i[0-9]+}} 11
@@ -109,8 +111,8 @@ exitBB:
  ; CHECK: ret <4 x float> %11
 
 
-; Function Attrs: argmemonly nounwind readonly
-declare float @llvm.genx.GenISA.ldraw.indexed.f32.p2490373i8(i8 addrspace(2490373)*, i32, i32, i1) argmemonly nounwind readonly
+; Function Attrs: argmemonly nounwind readonly willreturn
+declare float @llvm.genx.GenISA.ldraw.indexed.f32.p2490373i8(i8 addrspace(2490373)*, i32, i32, i1) argmemonly nounwind readonly willreturn
 
 ; Function Attrs: argmemonly nounwind writeonly
 declare void @llvm.genx.GenISA.storeraw.indexed.p2490368i8.f32(i8 addrspace(2490373)*, i32, float, i32, i1) argmemonly nounwind writeonly

IGC/GenISAIntrinsics/generator/input/Intrinsic_definitions.yml

@@ -6480,6 +6480,7 @@ intrinsics:
                 comment: "volatile, must be an immediate"
         attributes:
             - !AttributeID "NoUnwind"
+            - !AttributeID "WillReturn"
         memory_effects:
             - !<MemoryRestriction>
                 memory_location: !MemoryLocation ArgMem