vendor/clang/clang-r142614

1 files changed, 18 insertions, 0 deletions

diff --git a/test/CodeGen/2002-02-13-ReloadProblem.c b/test/CodeGen/2002-02-13-ReloadProblem.c
new file mode 100644
index 0000000000000..da7f5e4fe00c5
--- /dev/null
+++ b/test/CodeGen/2002-02-13-ReloadProblem.c
@@ -0,0 +1,18 @@
+// RUN: %clang_cc1 -emit-llvm %s  -o /dev/null
+
+/* This triggered a problem in reload, fixed by disabling most of the 
+ * steps of compilation in GCC.  Before this change, the code went through
+ * the entire backend of GCC, even though it was unnecessary for LLVM output
+ * now it is skipped entirely, and since reload doesn't run, it can't cause
+ * a problem.
+ */
+
+extern int tolower(int);
+
+const char *rangematch(const char *pattern, int test, int c) {
+
+  if ((c <= test) | (tolower(c) <= tolower((unsigned char)test)))
+    return 0;
+
+  return pattern;
+}