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//===-- main.cpp ------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
volatile int x;
void __attribute__((noinline)) sink() {
x++; //% self.filecheck("bt", "main.cpp")
// CHECK-NOT: func{{[23]}}
}
void func2();
void __attribute__((noinline)) func1() {
if (x < 1)
func2();
else
sink();
}
void __attribute__((noinline)) func2() {
if (x < 1)
sink();
else
func1();
}
int main() {
// Tail recursion creates ambiguous execution histories.
x = 0;
func1();
return 0;
}
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