| @@ -0,0 +1,52 @@ |
|
|
|
1 |
+// This tests ensure that atomic types are never lowered into runtime library calls that are not |
|
2 |
+// guaranteed to be lock-free. |
|
3 |
+ |
|
4 |
+//@ only-linux |
|
5 |
+ |
|
6 |
+use run_make_support::{llvm_components_contain, llvm_readobj, rustc}; |
|
7 |
+ |
|
8 |
+fn compile(target: &str) { |
|
9 |
+rustc().input("atomic_lock_free.rs").target(target).run(); |
|
10 |
+} |
|
11 |
+ |
|
12 |
+fn check() { |
|
13 |
+llvm_readobj() |
|
14 |
+.symbols() |
|
15 |
+.input("libatomic_lock_free.rlib") |
|
16 |
+.run() |
|
17 |
+.assert_stdout_not_contains("__atomic_fetch_add"); |
|
18 |
+} |
|
19 |
+ |
|
20 |
+fn compile_and_check(target: &str) { |
|
21 |
+compile(target); |
|
22 |
+check(); |
|
23 |
+} |
|
24 |
+ |
|
25 |
+fn main() { |
|
26 |
+if llvm_components_contain("x86") { |
|
27 |
+compile_and_check("i686-unknown-linux-gnu"); |
|
28 |
+compile_and_check("x86_64-unknown-linux-gnu"); |
|
29 |
+} |
|
30 |
+if llvm_components_contain("arm") { |
|
31 |
+compile_and_check("arm-unknown-linux-gnueabi"); |
|
32 |
+compile_and_check("arm-unknown-linux-gnueabihf"); |
|
33 |
+compile_and_check("armv7-unknown-linux-gnueabihf"); |
|
34 |
+compile_and_check("thumbv7neon-unknown-linux-gnueabihf"); |
|
35 |
+} |
|
36 |
+if llvm_components_contain("aarch64") { |
|
37 |
+compile_and_check("aarch64-unknown-linux-gnu"); |
|
38 |
+} |
|
39 |
+if llvm_components_contain("mips") { |
|
40 |
+compile_and_check("mips-unknown-linux-gnu"); |
|
41 |
+compile_and_check("mipsel-unknown-linux-gnu"); |
|
42 |
+} |
|
43 |
+if llvm_components_contain("powerpc") { |
|
44 |
+compile_and_check("powerpc-unknown-linux-gnu"); |
|
45 |
+compile_and_check("powerpc-unknown-linux-gnuspe"); |
|
46 |
+compile_and_check("powerpc64-unknown-linux-gnu"); |
|
47 |
+compile_and_check("powerpc64le-unknown-linux-gnu"); |
|
48 |
+} |
|
49 |
+if llvm_components_contain("systemz") { |
|
50 |
+compile_and_check("s390x-unknown-linux-gnu"); |
|
51 |
+} |
|
52 |
+} |