xref: /llvm-project/clang/test/Profile/misexpect-branch-nonconst-expected-val.c (revision bac6cd5bf85669e3376610cfc4c4f9ca015e7b9b)
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 
bar()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 }
24