File: lifetime.c

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (23 lines) | stat: -rw-r--r-- 650 bytes parent folder | download | duplicates (17) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang -S -emit-llvm -o - -O0 %s | FileCheck %s -check-prefix=O0
// RUN: %clang -S -emit-llvm -o - -O1 %s | FileCheck %s -check-prefix=O1
// RUN: %clang -S -emit-llvm -o - -O2 %s | FileCheck %s -check-prefix=O2
// RUN: %clang -S -emit-llvm -o - -O3 %s | FileCheck %s -check-prefix=O3

extern void use(char *a);

__attribute__((always_inline)) void helper_no_markers() {
  char a;
  use(&a);
}

void lifetime_test() {
// O0: lifetime_test
// O1: lifetime_test
// O2: lifetime_test
// O3: lifetime_test
// O0-NOT: @llvm.lifetime.start
// O1: @llvm.lifetime.start
// O2: @llvm.lifetime.start
// O3: @llvm.lifetime.start
  helper_no_markers();
}