clang/test/Profile/misexpect-branch-nonconst-expected-val.c

   1 // Test that misexpect emits no warning when condition is not a compile-time constant
   2
   3 // RUN: llvm-profdata merge %S/Inputs/misexpect-branch-nonconst-expect-arg.proftext -o %t.profdata
   4 // RUN: %clang_cc1 %s -O2 -o - -disable-llvm-passes -emit-llvm -fprofile-instrument-use-path=%t.profdata -verify -Wmisexpect
   5
   6 // expected-no-diagnostics
   7 int foo(int);
   8 int baz(int);
   9 int buzz();
  10
  11 const int inner_loop = 100;
  12 const int outer_loop = 2000;
  13
  14 int bar() {
  15   int rando = buzz();
  16   int x = 0;
  17   if (__builtin_expect(rando % (outer_loop * inner_loop) == 0, buzz())) {
  18     x = baz(rando);
  19   } else {
  20     x = foo(50);
  21   }
  22   return x;
  23 }