[llvm] [SPIRV] Support for the extension SPV_INTEL_blocking_pipes (PR #138675)

[via llvm-commits]

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@@ -697,7 +697,8 @@ static bool buildAtomicStoreInst(const SPIRV::IncomingCall *Call,
                                  MachineIRBuilder &MIRBuilder,
                                  SPIRVGlobalRegistry *GR) {
   if (Call->isSpirvOp())
-    return buildOpFromWrapper(MIRBuilder, SPIRV::OpAtomicStore, Call, Register(0));
+    return buildOpFromWrapper(MIRBuilder, SPIRV::OpAtomicStore, Call,
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swatheesh-mcw wrote:

Why this change? Seems like only the format has been changed with the existing code.

https://github.com/llvm/llvm-project/pull/138675