1// RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=O0
2// RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s -check-prefix=O1
3// RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s -check-prefix=O2
4// RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s -check-prefix=O3
5
6extern void use(char *a);
7
8__attribute__((always_inline)) void helper_no_markers() {
9  char a;
10  use(&a);
11}
12
13void lifetime_test() {
14// O0: lifetime_test
15// O1: lifetime_test
16// O2: lifetime_test
17// O3: lifetime_test
18// O0-NOT: @llvm.lifetime.start
19// O1: @llvm.lifetime.start
20// O2: @llvm.lifetime.start
21// O3: @llvm.lifetime.start
22  helper_no_markers();
23}
24