[clang] [llvm] [HIP][MacOS] Mach-O support and Darwin toolchain fixes (PR #183991)

[Paulius Velesko via llvm-commits]

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@@ -409,9 +409,11 @@ void HIP::constructGenerateObjFileFromHIPFatBinary(
   ObjStream << "# *** Automatically generated by Clang ***\n";
   if (FoundPrimaryGpuBinHandleSymbol) {
     // Define the first gpubin handle symbol
-    if (HostTriple.isWindowsMSVCEnvironment())
+    if (HostTriple.isWindowsMSVCEnvironment()) {
       ObjStream << "  .section .hip_gpubin_handle,\"dw\"\n";
-    else {
+    } else if (HostTriple.isMacOSX()) {
+      ObjStream << "  .section __HIP,__gpubin_handle\n";
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pvelesko wrote:

@jhuber6 done

https://github.com/llvm/llvm-project/pull/183991