[clang] [clang] Use TargetInfo to determine device kernel calling convention (PR #144728)

[Alexey Bader via cfe-commits]

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@@ -103,11 +103,11 @@ TargetCodeGenInfo::getDependentLibraryOption(llvm::StringRef Lib,
   Opt += Lib;
 }
 
-unsigned TargetCodeGenInfo::getOpenCLKernelCallingConv() const {
-  // OpenCL kernels are called via an explicit runtime API with arguments
-  // set with clSetKernelArg(), not as normal sub-functions.
+unsigned TargetCodeGenInfo::getDeviceKernelCallingConv() const {
+  // Device kernels are called via an explicit runtime API with arguments,
+  // such as set with clSetKernelArg() for OpenCL, not as normal sub-functions.
   // Return SPIR_KERNEL by default as the kernel calling convention to
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bader wrote:

👍. Now the logic almost identical to the current version of the code. We just shuffle the order of the `if`s.

https://github.com/llvm/llvm-project/pull/144728