[clang] [llvm] [llvm][opt][Transforms][SPIR-V] Enable `InferAddressSpaces` for SPIR-V (PR #110897)

[Alex Voicu via cfe-commits]

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@@ -178,6 +266,9 @@ void SPIRVPassConfig::addIRPasses() {
     addPass(createSPIRVStructurizerPass());
   }
 
+  if (TM.getOptLevel() > CodeGenOptLevel::None)
+    addPass(createInferAddressSpacesPass(AddressSpace::Generic));
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AlexVlx wrote:

Because if one invokes the pass directly via opt there's no way but the TTI query to set Flat/Generic to anything but 0, and because making it explicit at the point of construction rather than relying on that seems somewhat more self documenting.

https://github.com/llvm/llvm-project/pull/110897