[clang] [CIR] Upstream minimal builtin function call support (PR #142981)

[Andy Kaylor via cfe-commits]

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@@ -0,0 +1,453 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This contains code to emit Builtin calls as CIR or a function call to be
+// later resolved.
+//
+//===----------------------------------------------------------------------===//
+
+#include "CIRGenCall.h"
+#include "CIRGenFunction.h"
+#include "CIRGenModule.h"
+#include "CIRGenValue.h"
+#include "clang/AST/Expr.h"
+#include "clang/CIR/Dialect/IR/CIRAttrs.h"
+#include "clang/CIR/Dialect/IR/CIRTypes.h"
+#include "clang/CIR/MissingFeatures.h"
+#include "llvm/IR/Intrinsics.h"
+
+#include "clang/AST/GlobalDecl.h"
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andykaylor wrote:

The grouping here is odd. I think clang-format sorts headers that are grouped without empty lines between them, so it tolerates this, but I think it would make more sense to remove the empty lines.

https://github.com/llvm/llvm-project/pull/142981