[llvm-branch-commits] [clang] [llvm] [DirectX] Validate registers are bound to root signature (PR #146785)

[via llvm-branch-commits]

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@@ -14,10 +14,129 @@
 #ifndef LLVM_LIB_TARGET_DIRECTX_DXILPOSTOPTIMIZATIONVALIDATION_H
 #define LLVM_LIB_TARGET_DIRECTX_DXILPOSTOPTIMIZATIONVALIDATION_H
 
+#include "DXILRootSignature.h"
+#include "llvm/ADT/IntervalMap.h"
+#include "llvm/Analysis/DXILResource.h"
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
 
+static uint64_t combineUint32ToUint64(uint32_t High, uint32_t Low) {
+  return (static_cast<uint64_t>(High) << 32) | Low;
+}
+
+class RootSignatureBindingValidation {
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joaosaffran wrote:

This analysis is checking if the resources are bound to the correct root element type. For example, SRVs should bound to t registers, UAVs to u registers, etc. To check if there is overlap of ranges in the root signature, I will use https://github.com/llvm/llvm-project/pull/147117, in a future PR

https://github.com/llvm/llvm-project/pull/146785