[clang] [mlir] [OpenACC][CIR] Implement 'private' clause lowering. (PR #151360)

[Erich Keane via cfe-commits]

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@@ -0,0 +1,522 @@
+// RUN: %clang_cc1 -fopenacc -triple x86_64-linux-gnu -Wno-openacc-self-if-potential-conflict -emit-cir -fclangir -triple x86_64-linux-pc %s -o - | FileCheck %s
+
+struct NoCopyConstruct {};
+
+struct CopyConstruct {
+  CopyConstruct() = default;
+  CopyConstruct(const CopyConstruct&);
+};
+
+struct NonDefaultCtor {
+  NonDefaultCtor();
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erichkeane wrote:

Hi!  Thanks!  I definitely mis-understood a previous discussion.  I'll work on getting the FE to do a default-init for the `init` section.  

For `firstprivate`, it isn't clear why the `copy` is separate unless there is optimization opportunities, but having the FE put the copy operation in that region is easy enough.  

https://github.com/llvm/llvm-project/pull/151360