[llvm-branch-commits] [DXIL][Analysis] Implement enough of DXILResourceAnalysis for buffers (PR #100699)

[Justin Bogner via llvm-branch-commits]

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@@ -331,6 +336,249 @@ std::pair<uint32_t, uint32_t> ResourceInfo::getAnnotateProps() const {
   return {Word0, Word1};
 }
 
+void ResourceInfo::print(raw_ostream &OS) const {
+  OS << "  Symbol: ";
+  Symbol->printAsOperand(OS);
+  OS << "\n";
+
+  OS << "  Name: \"" << Name << "\"\n"
+     << "  Binding:\n"
+     << "    Unique ID: " << Binding.UniqueID << "\n"
+     << "    Space: " << Binding.Space << "\n"
+     << "    Lower Bound: " << Binding.LowerBound << "\n"
+     << "    Size: " << Binding.Size << "\n"
+     << "  Class: " << static_cast<unsigned>(RC) << "\n"
+     << "  Kind: " << static_cast<unsigned>(Kind) << "\n";
+
+  if (isCBuffer()) {
+    OS << "  CBuffer size: " << CBufferSize << "\n";
+  } else if (isSampler()) {
+    OS << "  Sampler Type: " << static_cast<unsigned>(SamplerTy) << "\n";
+  } else {
+    if (isUAV()) {
+      OS << "  Globally Coherent: " << UAVFlags.GloballyCoherent << "\n"
+         << "  HasCounter: " << UAVFlags.HasCounter << "\n"
+         << "  IsROV: " << UAVFlags.IsROV << "\n";
+    }
+    if (isMultiSample())
+      OS << "  Sample Count: " << MultiSample.Count << "\n";
+
+    if (isStruct()) {
+      OS << "  Buffer Stride: " << Struct.Stride << "\n";
+      uint32_t AlignLog2 = Struct.Alignment ? Log2(*Struct.Alignment) : 0;
+      OS << "  Alignment: " << AlignLog2 << "\n";
+    } else if (isTyped()) {
+      OS << "  Element Type: " << static_cast<unsigned>(Typed.ElementTy) << "\n"
+         << "  Element Count: " << static_cast<unsigned>(Typed.ElementCount)
+         << "\n";
+    } else if (isFeedback())
+      OS << "  Feedback Type: " << static_cast<unsigned>(Feedback.Type) << "\n";
+  }
+}
+
+//===----------------------------------------------------------------------===//
+// ResourceMapper
+
+static dxil::ElementType toDXILElementType(Type *Ty, bool IsSigned) {
+  // TODO: Handle unorm, snorm, and packed.
+  Ty = Ty->getScalarType();
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bogner wrote:

No, `Type::getScalarType` cannot return nullptr.

https://github.com/llvm/llvm-project/pull/100699