================
@@ -295,6 +296,94 @@ getRootSignature(RootSignatureBindingInfo &RSBI,
return RootSigDesc;
}
+static void
+reportOverlappingRegisters(Module &M,
+ llvm::hlsl::rootsig::OverlappingRanges Overlap) {
+ const llvm::hlsl::rootsig::RangeInfo *Info = Overlap.A;
+ const llvm::hlsl::rootsig::RangeInfo *OInfo = Overlap.B;
+ SmallString<128> Message;
+ raw_svector_ostream OS(Message);
+ OS << "register " << ResourceClassToString(Info->Class)
+ << " (space=" << Info->Space << ", register=" << Info->LowerBound << ")"
+ << " is overlapping with"
+ << " register " << ResourceClassToString(OInfo->Class)
+ << " (space=" << OInfo->Space << ", register=" << OInfo->LowerBound << ")"
+ << ", verify your root signature definition.";
+
+ M.getContext().diagnose(DiagnosticInfoGeneric(Message));
+}
+
+static bool reportOverlappingRanges(Module &M,
+ const mcdxbc::RootSignatureDesc &RSD) {
+ using namespace llvm::hlsl::rootsig;
+
+ llvm::SmallVector<RangeInfo> Infos;
+
+ for (size_t I = 0; I < RSD.ParametersContainer.size(); I++) {
+ const auto &[Type, Loc] =
+ RSD.ParametersContainer.getTypeAndLocForParameter(I);
+ const auto &Header = RSD.ParametersContainer.getHeader(I);
+ switch (Type) {
+ case llvm::to_underlying(dxbc::RootParameterType::Constants32Bit): {
----------------
inbelic wrote:
I think we also need a case for `StaticSampler` right?
https://github.com/llvm/llvm-project/pull/148919
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