From a2cd50a9d251517549083451d0ef4cc3b341cca3 Mon Sep 17 00:00:00 2001
From: huchang <huchang@isrc.iscas.ac.cn>
Date: Mon, 27 Mar 2023 17:21:46 +0800
Subject: [PATCH] add some c files that clang failed to compile : Clang Compile
 Glibc Project

---
 clang/test/Glibc/test_asm.c      | 14 ++++++++++++++
 clang/test/Glibc/test_float128.c |  8 ++++++++
 clang/test/Glibc/test_symbol.c   | 11 +++++++++++
 3 files changed, 33 insertions(+)
 create mode 100644 clang/test/Glibc/test_asm.c
 create mode 100644 clang/test/Glibc/test_float128.c
 create mode 100644 clang/test/Glibc/test_symbol.c

diff --git a/clang/test/Glibc/test_asm.c b/clang/test/Glibc/test_asm.c
new file mode 100644
index 000000000000..842d54c493ab
--- /dev/null
+++ b/clang/test/Glibc/test_asm.c
@@ -0,0 +1,14 @@
+#include <linux/version.h>
+#include <sys/syscall.h>
+#include <bits/syscall.h>
+
+// please use compile command "gcc -S -DX=__NR_exit demo.c -o - | grep @@@"
+// this is a tricky method to extract macro value
+// gcc can pass the command but clang not
+#ifndef X
+#define X 0
+#endif // !X
+
+int main() {
+  asm ("@@@%0@@@" :: "i"((long int)(X)));
+}
diff --git a/clang/test/Glibc/test_float128.c b/clang/test/Glibc/test_float128.c
new file mode 100644
index 000000000000..599a7699d716
--- /dev/null
+++ b/clang/test/Glibc/test_float128.c
@@ -0,0 +1,8 @@
+
+#include <stdio.h>
+
+int main()
+{
+  printf("sizeof ( Float128) = %ld\n", sizeof (_Float128));
+  return 0;
+}
diff --git a/clang/test/Glibc/test_symbol.c b/clang/test/Glibc/test_symbol.c
new file mode 100644
index 000000000000..a2bb9a837387
--- /dev/null
+++ b/clang/test/Glibc/test_symbol.c
@@ -0,0 +1,11 @@
+
+// compile command : gcc -c test_symbol.c
+typedef unsigned long size_t;
+
+extern void *memcpy(void *, const void *, size_t);
+
+void *test_memcpy(void *dst, const void *src, size_t n) {
+  return memcpy(dst, src, n);
+}
+
+extern void *memcpy(void *, const void *, size_t) asm("new_name_of_memcpy");
-- 
Gitee