1 files changed, 54 insertions, 0 deletions
diff --git a/test/CodeGen/fsgsbase-builtins.c b/test/CodeGen/fsgsbase-builtins.c
new file mode 100644
index 000000000000..14c51a9945f8
--- /dev/null
+++ b/test/CodeGen/fsgsbase-builtins.c
@@ -0,0 +1,54 @@
+// RUN: %clang_cc1 %s -O3 -triple=x86_64-apple-darwin -target-feature +fsgsbase -emit-llvm -o - | FileCheck %s
+
+// Don't include mm_malloc.h, it's system specific.
+#define __MM_MALLOC_H
+
+#include <x86intrin.h>
+
+unsigned int test_readfsbase_u32()
+{
+  // CHECK: @llvm.x86.rdfsbase.32
+  return _readfsbase_u32();
+}
+
+unsigned long long test_readfsbase_u64()
+{
+  // CHECK: @llvm.x86.rdfsbase.64
+  return _readfsbase_u64();
+}
+
+unsigned int test_readgsbase_u32()
+{
+  // CHECK: @llvm.x86.rdgsbase.32
+  return _readgsbase_u32();
+}
+
+unsigned long long test_readgsbase_u64()
+{
+  // CHECK: @llvm.x86.rdgsbase.64
+  return _readgsbase_u64();
+}
+
+void test_writefsbase_u32(unsigned int __X)
+{
+  // CHECK: @llvm.x86.wrfsbase.32
+  _writefsbase_u32(__X);
+}
+
+void test_writefsbase_u64(unsigned long long __X)
+{
+  // CHECK: @llvm.x86.wrfsbase.64
+  _writefsbase_u64(__X);
+}
+
+void test_writegsbase_u32(unsigned int __X)
+{
+  // CHECK: @llvm.x86.wrgsbase.32
+  _writegsbase_u32(__X);
+}
+
+void test_writegsbase_u64(unsigned long long __X)
+{
+  // CHECK: @llvm.x86.wrgsbase.64
+  _writegsbase_u64(__X);
+}