| // RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK |
| // RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME |
| // RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME |
| // RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s --implicit-check-not="call void @llvm.lifetime" -check-prefixes=CHECK,LIFETIME |
| |
| extern void use(char *a); |
| |
| // CHECK-LABEL: @helper_no_markers |
| __attribute__((always_inline)) void helper_no_markers(void) { |
| char a; |
| // LIFETIME: call void @llvm.lifetime.start.p0( |
| use(&a); |
| // LIFETIME: call void @llvm.lifetime.end.p0( |
| } |
| |
| // CHECK-LABEL: @lifetime_test |
| void lifetime_test(void) { |
| // LIFETIME: call void @llvm.lifetime.start.p0( |
| helper_no_markers(); |
| // LIFETIME: call void @llvm.lifetime.end.p0( |
| } |
