[llvm] [SPIR-V] Support 2 more instructions from SPV_INTEL_long_composites (PR #128190)

[Viktoria Maximova via llvm-commits]

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@@ -2113,8 +2113,32 @@ static bool generateSelectInst(const SPIRV::IncomingCall *Call,
 static bool generateConstructInst(const SPIRV::IncomingCall *Call,
                                   MachineIRBuilder &MIRBuilder,
                                   SPIRVGlobalRegistry *GR) {
-  return buildOpFromWrapper(MIRBuilder, SPIRV::OpCompositeConstruct, Call,
-                            GR->getSPIRVTypeID(Call->ReturnType));
+  auto MIB = MIRBuilder.buildInstr(SPIRV::OpCompositeConstruct)
+                 .addDef(Call->ReturnRegister)
+                 .addUse(GR->getSPIRVTypeID(Call->ReturnType));
+
+  constexpr unsigned MaxWordCount = UINT16_MAX;
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vmaksimo wrote:

It looks tricky to unify it together with the type instruction, but for those introduced in PR - will do.
(For continued type instructions we should do the logic when we're calling `createOpType`, which I can't see how to unify for now).

https://github.com/llvm/llvm-project/pull/128190