[PATCH] D106065: [Clang] Add an empty builtins.h file.

[Stefan Pintilie via Phabricator via llvm-commits]

stefanp created this revision.
stefanp added reviewers: nemanjai, lei.
Herald added a subscriber: mgorny.
stefanp requested review of this revision.
Herald added a project: clang.
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On Power PC some legacy compilers included a number of builtins in a
builtins.h header file. While this header file is not required to hold
builtins for clang some legacy code does try to include this file and so
this patch provides an empty version of that file.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D106065

Files:
  clang/lib/Headers/CMakeLists.txt
  clang/lib/Headers/builtins.h
  clang/test/Headers/builtins-header.c


Index: clang/test/Headers/builtins-header.c
===================================================================
--- /dev/null
+++ clang/test/Headers/builtins-header.c
@@ -0,0 +1,8 @@
+// RUN: %clang_cc1 -triple powerpc64-unknown-unknown -ffreestanding -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -triple powerpc64le-unknown-unknown -ffreestanding -emit-llvm -o - %s | FileCheck %s
+
+#include <builtins.h>
+
+// Verify that we can include <builtins.h>
+
+// CHECK: target triple = "powerpc64
Index: clang/lib/Headers/builtins.h
===================================================================
--- /dev/null
+++ clang/lib/Headers/builtins.h
@@ -0,0 +1,12 @@
+/*===---- builtins.h - Standard header for extra builtins -----------------===*\
+ *
+ * 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
+ *
+\*===----------------------------------------------------------------------===*/
+
+#ifndef __BUILTINS_H
+#define __BUILTINS_H
+
+#endif /* __BUILTINS_H */
Index: clang/lib/Headers/CMakeLists.txt
===================================================================
--- clang/lib/Headers/CMakeLists.txt
+++ clang/lib/Headers/CMakeLists.txt
@@ -38,6 +38,7 @@
   avxvnniintrin.h
   bmi2intrin.h
   bmiintrin.h
+  builtins.h
   __clang_cuda_builtin_vars.h
   __clang_cuda_math.h
   __clang_cuda_cmath.h


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