Follow Nathan's feedback

Author: cassiebeckley

llvm/lib/IR/Type.cpp

@@ -975,7 +975,7 @@ static TargetTypeInfo getTargetTypeInfo(const TargetExtType *Ty) {
     auto Size = Ty->getIntParameter(1);
     auto Alignment = Ty->getIntParameter(2);
 
-    llvm::Type *LayoutType;
+    llvm::Type *LayoutType = nullptr;
     if (Size > 0 && Alignment > 0) {
       LayoutType =
           ArrayType::get(Type::getIntNTy(C, Alignment), Size * 8 / Alignment);

llvm/test/CodeGen/SPIRV/inline/type.coop-matrix.ll

@@ -1,5 +1,7 @@
 ; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-unknown %s -o - | FileCheck %s
 
+; TODO: enable spirv-val once we can add cooperative matrix capability and extension
+
 ; CHECK: [[float_t:%[0-9]+]] = OpTypeFloat 32
 ; CHECK: [[uint32_t:%[0-9]+]] = OpTypeInt 32 0