[clang] [Clang][Driver] Parallelize device cc1 jobs for offload arches (PR #208254)

[Yaxun Liu via cfe-commits]

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@@ -232,23 +238,174 @@ static bool ActionFailed(const Action *A,
   return false;
 }
 
+static bool ActionDependsOn(const Action *A, const Action *Other) {
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yxsamliu wrote:

Done. I simplified it with `llvm::any_of` as suggested.

https://github.com/llvm/llvm-project/pull/208254