Add shifts test

llvm/test_cdm/src/shifts.c

@@ -0,0 +1,32 @@
+
+
+typedef unsigned int uint;
+typedef signed char schar;
+typedef unsigned char uchar;
+
+
+#define DS(type) \
+volatile int s1_##type; \
+volatile type s2_##type; \
+volatile type s3_##type; \
+volatile type s4_##type; \
+__attribute__((noinline)) \
+void do_shifts_##type(type a, type b){ \
+  s1_##type = a << 3; \
+  s2_##type = b << 15; \
+  s3_##type = a >> 4; \
+  s4_##type = b >> 14; \
+}
+
+
+DS(int)
+DS(uint)
+DS(schar)
+DS(uchar)
+
+int main(){
+  do_shifts_int(-228, -1337);
+  do_shifts_uint(228, 1337);
+  do_shifts_schar(-57, -99);
+  do_shifts_uchar(211, 122);
+}