llvm-project/clang/test/Profile/misexpect-branch-nonconst-e...

24 lines
625 B
C

// Test that misexpect emits no warning when condition is not a compile-time constant
// RUN: llvm-profdata merge %S/Inputs/misexpect-branch-nonconst-expect-arg.proftext -o %t.profdata
// RUN: %clang_cc1 %s -O2 -o - -disable-llvm-passes -emit-llvm -fprofile-instrument-use-path=%t.profdata -verify -Wmisexpect
// expected-no-diagnostics
int foo(int);
int baz(int);
int buzz();
const int inner_loop = 100;
const int outer_loop = 2000;
int bar() {
int rando = buzz();
int x = 0;
if (__builtin_expect(rando % (outer_loop * inner_loop) == 0, buzz())) {
x = baz(rando);
} else {
x = foo(50);
}
return x;
}