__clear_cache() is varargs and people will occasionally write it without
arguments. Process only the arguments that people write, but process
all of them.
Fixes rdar://8900346
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@127616 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/arm-clear.c b/test/CodeGen/arm-clear.c
new file mode 100644
index 0000000..eda64ce
--- /dev/null
+++ b/test/CodeGen/arm-clear.c
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 -triple armv7-apple-darwin9 -emit-llvm -w -o - %s | FileCheck %s
+
+void clear0(void *ptr) {
+ // CHECK: clear0
+ // CHECK-NOT: load i8**
+ __clear_cache();
+}
+
+void clear1(void *ptr) {
+ // CHECK: clear1
+ // CHECK: load i8**
+ // CHECK-NOT: load i8**
+ __clear_cache(ptr);
+}
+
+void clear2(void *ptr, void *ptr2) {
+ // CHECK: clear2
+ // CHECK: load i8**
+ // CHECK: load i8**
+ __clear_cache(ptr, ptr2);
+}