[llvm] [SPIRV] Do not use OpTypeRuntimeArray in Kernel env. (PR #149522)

[Victor Lomuller via llvm-commits]

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@@ -828,9 +828,11 @@ SPIRVType *SPIRVGlobalRegistry::getOpTypeArray(uint32_t NumElems,
          "Invalid array element type");
   SPIRVType *SpvTypeInt32 = getOrCreateSPIRVIntegerType(32, MIRBuilder);
   SPIRVType *ArrayType = nullptr;
-  if (NumElems != 0) {
-    Register NumElementsVReg =
-        buildConstantInt(NumElems, MIRBuilder, SpvTypeInt32, EmitIR);
+  const SPIRVSubtarget &ST =
+      cast<SPIRVSubtarget>(MIRBuilder.getMF().getSubtarget());
+  if (NumElems != 0 || !ST.isShader()) {
+    Register NumElementsVReg = buildConstantInt(
+        NumElems ? NumElems : 1, MIRBuilder, SpvTypeInt32, EmitIR);
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Naghasan wrote:

> Is this the correct solution?

+1

I had an offline chat with Marcos. He'll look into changing the gep pattern that is causing issue (the SYCL compiler don't need to emit this type outside some offset computation)

https://github.com/llvm/llvm-project/pull/149522