xref: /aosp_15_r20/external/clang/test/CodeGen/lifetime.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=O0
2*67e74705SXin Li // RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s -check-prefix=O1
3*67e74705SXin Li // RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s -check-prefix=O2
4*67e74705SXin Li // RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s -check-prefix=O3
5*67e74705SXin Li 
6*67e74705SXin Li extern void use(char *a);
7*67e74705SXin Li 
helper_no_markers()8*67e74705SXin Li __attribute__((always_inline)) void helper_no_markers() {
9*67e74705SXin Li   char a;
10*67e74705SXin Li   use(&a);
11*67e74705SXin Li }
12*67e74705SXin Li 
lifetime_test()13*67e74705SXin Li void lifetime_test() {
14*67e74705SXin Li // O0: lifetime_test
15*67e74705SXin Li // O1: lifetime_test
16*67e74705SXin Li // O2: lifetime_test
17*67e74705SXin Li // O3: lifetime_test
18*67e74705SXin Li // O0-NOT: @llvm.lifetime.start
19*67e74705SXin Li // O1: @llvm.lifetime.start
20*67e74705SXin Li // O2: @llvm.lifetime.start
21*67e74705SXin Li // O3: @llvm.lifetime.start
22*67e74705SXin Li   helper_no_markers();
23*67e74705SXin Li }
24