1 // RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK
2 // RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME
3 // RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME
4 // RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME
5 
6 extern void use(char *a);
7 
8 // CHECK-LABEL: @helper_no_markers
9 __attribute__((always_inline)) void helper_no_markers(void) {
10   char a;
11   // LIFETIME: call void @llvm.lifetime.start.p0(i64 1,
12   use(&a);
13   // LIFETIME: call void @llvm.lifetime.end.p0(i64 1,
14 }
15 
16 // CHECK-LABEL: @lifetime_test
17 void lifetime_test(void) {
18 // LIFETIME: call void @llvm.lifetime.start.p0(i64 1,
19   helper_no_markers();
20 // LIFETIME: call void @llvm.lifetime.end.p0(i64 1,
21 }
22