Don't evaluate inout constraints twice. Fixes PR3800.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77854 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/asm-inout.c b/test/CodeGen/asm-inout.c
new file mode 100644
index 0000000..e0e42a3
--- /dev/null
+++ b/test/CodeGen/asm-inout.c
@@ -0,0 +1,8 @@
+// RUN: clang-cc -triple i386-unknown-unknown -emit-llvm %s -o %t &&
+// RUN: grep "load i8\*\*\* %p.addr" %t | count 1
+
+// PR3800
+void f(void **p)
+{
+ __asm__ volatile("" :"+m"(*p));
+}