clang/test/SemaOpenCL/printf-format-string-warnings.cl

   1 // RUN: %clang_cc1 %s -verify -pedantic -fsyntax-only -cl-std=CL2.0 -finclude-default-header -fdeclare-opencl-builtins
   2
   3 // Make sure warnings are produced based on printf format strings.
   4
   5 kernel void format_string_warnings(__constant char* arg) {
   6
   7   printf("%d", arg); // expected-warning {{format specifies type 'int' but the argument has type '__constant char *'}}
   8
   9   printf("not enough arguments %d %d", 4); // expected-warning {{more '%' conversions than data arguments}}
  10
  11   printf("too many arguments", 4); // expected-warning {{data argument not used by format string}}
  12 }