[llvm] [SPIRV] Emitting DebugSource, DebugCompileUnit (PR #97558)

[via llvm-commits]

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@@ -427,7 +426,22 @@ void SPIRVModuleAnalysis::processOtherInstrs(const Module &M) {
         if (MAI.getSkipEmission(&MI))
           continue;
         const unsigned OpCode = MI.getOpcode();
-        if (OpCode == SPIRV::OpName || OpCode == SPIRV::OpMemberName) {
+        if (OpCode == SPIRV::OpString) {
+          collectOtherInstr(MI, MAI, SPIRV::MB_DebugStrings, IS);
+        } else if (OpCode == SPIRV::OpExtInst) {
+          MachineOperand Ins = MI.getOperand(3);
+          namespace NS = SPIRV::NonSemanticExtInst;
+          static constexpr int64_t GlobalNonSemanticDITy[] = {
+              NS::DebugSource, NS::DebugCompilationUnit};
+          bool IsGlobalDI = false;
+          for (unsigned Idx = 0; Idx < std::size(GlobalNonSemanticDITy);
+               ++Idx) {
+            IsGlobalDI |= Ins.getImm() == GlobalNonSemanticDITy[Idx];
+          }
+          if (IsGlobalDI) {
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bwlodarcz wrote:

Done

https://github.com/llvm/llvm-project/pull/97558