[llvm] [SPIR-V] Add support for inline SPIR-V types (PR #125316)

[Steven Perron via llvm-commits]

================
@@ -2868,6 +2868,61 @@ static SPIRVType *getSampledImageType(const TargetExtType *OpaqueType,
   return GR->getOrCreateOpTypeSampledImage(OpaqueImageType, MIRBuilder);
 }
 
+static SPIRVType *getInlineSpirvType(const TargetExtType *ExtensionType,
+                                     MachineIRBuilder &MIRBuilder,
+                                     SPIRVGlobalRegistry *GR) {
+  assert(ExtensionType->getNumIntParameters() == 3 &&
+         "Inline SPIR-V type builtin takes an opcode, size, and alignment "
+         "parameter");
+  auto Opcode = ExtensionType->getIntParameter(0);
+
+  return GR->getOrCreateUnknownType(
+      ExtensionType, MIRBuilder, Opcode,
+      [&ExtensionType, &GR, &MIRBuilder](llvm::MachineInstrBuilder Instr) {
----------------
s-perron wrote:

What is the reason for the lambda? It ends up being hard to follow because you create part of the instruction here. Part in the global registry. Could the GR function take the opcode and an array_ref of registers that are suppose to be the operands?



https://github.com/llvm/llvm-project/pull/125316