================
@@ -176,6 +176,28 @@ mlir::LLVM::Linkage convertLinkage(cir::GlobalLinkageKind
linkage) {
llvm_unreachable("Unknown CIR linkage type");
}
+static std::optional<mlir::LLVM::CConv>
+convertCallingConv(cir::CallingConv callingConv) {
+ using CIR = cir::CallingConv;
+ using LLVM = mlir::LLVM::CConv;
+
+ switch (callingConv) {
+ case CIR::C:
+ return LLVM::C;
+ case CIR::SpirKernel:
+ return LLVM::SPIR_KERNEL;
+ case CIR::SpirFunction:
+ return LLVM::SPIR_FUNC;
+ case CIR::OpenCLKernel:
+ llvm_unreachable("NYI");
----------------
Lancern wrote:
Add a missing feature assert here and return an empty `std::optional` value:
```suggestion
assert(!cir::MissingFeatures::callConvOpenCLKernel());
return std::nullopt;
```
https://github.com/llvm/llvm-project/pull/181170
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