1 files changed, 9 insertions, 0 deletions
diff --git a/test/FrontendC/2006-01-16-BitCountIntrinsicsUnsigned.c b/test/FrontendC/2006-01-16-BitCountIntrinsicsUnsigned.c
new file mode 100644
index 0000000..eafcb62
--- /dev/null
+++ b/test/FrontendC/2006-01-16-BitCountIntrinsicsUnsigned.c
@@ -0,0 +1,9 @@
+// RUN: %llvmgcc -S %s -o - | grep {llvm.ctlz.i32(i32} | count 3
+// RUN: %llvmgcc -S %s -o - | grep {llvm.ctlz.i32(i32} | grep declare | count 1
+
+unsigned t2(unsigned X) {
+  return __builtin_clz(X);
+}
+int t1(int X) {
+  return __builtin_clz(X);
+}