MIPS: Mark arguments of __builtin_mips_wrdsp / __builtin_mips_rddsp as a constant expression.

llvm-svn: 159910

1 files changed, 9 insertions, 0 deletions

diff --git a/clang/test/CodeGen/builtins-mips-args.c b/clang/test/CodeGen/builtins-mips-args.c
new file mode 100644
index 00000000000..7dc73776a78
--- /dev/null
+++ b/clang/test/CodeGen/builtins-mips-args.c
@@ -0,0 +1,9 @@
+// RUN: %clang_cc1 -triple mips-unknown-linux-gnu -fsyntax-only -verify %s
+
+void foo() {
+  // MIPS DSP Rev 1
+
+  int a = 3;
+  __builtin_mips_wrdsp(2052, a);  // expected-error{{argument to '__builtin_mips_wrdsp' must be a constant integer}}
+  __builtin_mips_rddsp(a);        // expected-error{{argument to '__builtin_mips_rddsp' must be a constant integer}}
+}