Correct conditions for Legalization and AddrSpaceCastFixing

  * Legalization: limit Frem legalization to single precision
  * AddrSpaceCastFixing: fix for fuzzer test case

IGC/Compiler/CISACodeGen/FixAddrSpaceCast.cpp

@@ -96,7 +96,7 @@ bool AddrSpaceCastFixing::fixCase1(Instruction* I, BasicBlock::iterator& BI) con
     // Find the eligible pair of `ptrtoint`/`inttoptr` and convert them back
     // to `addrspacecast`.
     IntToPtrInst* I2P = dyn_cast<IntToPtrInst>(I);
-    if (!I2P)
+    if (!I2P || !I2P->getType()->isPointerTy())
         return false;
     PointerType* DstPtrTy = cast<PointerType>(I2P->getType());
     PtrToIntInst* P2I = dyn_cast<PtrToIntInst>(I2P->getOperand(0));

IGC/Compiler/LegalizationPass.cpp

@@ -275,7 +275,7 @@ void Legalization::visitUnaryInstruction(UnaryInstruction &I) {
 
 void Legalization::visitBinaryOperator(llvm::BinaryOperator& I)
 {
-    if (I.getOpcode() == Instruction::FRem)
+    if (I.getOpcode() == Instruction::FRem && I.getType()->isFloatTy())
     {
         Function* floorFunc =
             Intrinsic::getDeclaration(m_ctx->getModule(), Intrinsic::floor, I.getType());

IGC/Compiler/tests/FixAddrSpaceCast/i2p-vec-typed-pointers.ll

@@ -0,0 +1,20 @@
+;=========================== begin_copyright_notice ============================
+;
+; Copyright (C) 2024 Intel Corporation
+;
+; SPDX-License-Identifier: MIT
+;
+;============================ end_copyright_notice =============================
+; COM: check that vector of pointers compiles wo assert
+; RUN: igc_opt --igc-addrspacecast-fix -S < %s
+; ------------------------------------------------
+; FixAddrSpaceCast
+; ------------------------------------------------
+
+define spir_kernel void @test(<8 x i32> %payloadHeader) {
+entry:
+  %C = inttoptr <8 x i32> undef to <8 x i32*>
+  store <8 x i32*> %C, <8 x i32*>* null, align 64
+  ret void
+}
+

IGC/Compiler/tests/FixAddrSpaceCast/i2p-vec.ll

@@ -0,0 +1,21 @@
+;=========================== begin_copyright_notice ============================
+;
+; Copyright (C) 2024 Intel Corporation
+;
+; SPDX-License-Identifier: MIT
+;
+;============================ end_copyright_notice =============================
+; REQUIRES: llvm-14-plus
+; COM: check that vector of pointers compiles wo assert
+; RUN: igc_opt --opaque-pointers --igc-addrspacecast-fix -S < %s
+; ------------------------------------------------
+; FixAddrSpaceCast
+; ------------------------------------------------
+
+define spir_kernel void @test(<8 x i32> %payloadHeader) {
+entry:
+  %C = inttoptr <8 x i32> undef to <8 x ptr>
+  store <8 x ptr> %C, ptr null, align 64
+  ret void
+}
+