diff options
| author | bors <bors@rust-lang.org> | 2020-10-13 02:49:00 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2020-10-13 02:49:00 +0000 |
| commit | f54072bb815e2bbaec40eed18c7618904a184470 (patch) | |
| tree | c8ef9069de929a2e7c2fd3a93363890bf5739cc6 /src/test/codegen/tune-cpu-on-functions.rs | |
| parent | afb4514c099fde6e3102373602bea9e6dacd4f88 (diff) | |
| parent | a35a93f09cc111a53d00efc567ad678583dd5ac7 (diff) | |
| download | rust-f54072bb815e2bbaec40eed18c7618904a184470.tar.gz rust-f54072bb815e2bbaec40eed18c7618904a184470.zip | |
Auto merge of #76830 - Artoria2e5:tune, r=nagisa
Pass tune-cpu to LLVM I think this is how it should work... See https://internals.rust-lang.org/t/expose-tune-cpu-from-llvm/13088 for the background. Or the documentation diff.
Diffstat (limited to 'src/test/codegen/tune-cpu-on-functions.rs')
| -rw-r--r-- | src/test/codegen/tune-cpu-on-functions.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/codegen/tune-cpu-on-functions.rs b/src/test/codegen/tune-cpu-on-functions.rs new file mode 100644 index 00000000000..9121799cdbf --- /dev/null +++ b/src/test/codegen/tune-cpu-on-functions.rs @@ -0,0 +1,21 @@ +// This test makes sure that functions get annotated with the proper +// "tune-cpu" attribute in LLVM. + +// no-prefer-dynamic +// ignore-tidy-linelength +// compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals -Z tune-cpu=generic + +#![crate_type = "staticlib"] + +// CHECK-LABEL: define {{.*}} @exported() {{.*}} #0 +#[no_mangle] +pub extern fn exported() { + not_exported(); +} + +// CHECK-LABEL: ; tune_cpu_on_functions::not_exported +// CHECK-NEXT: ; Function Attrs: +// CHECK-NEXT: define {{.*}}() {{.*}} #0 +fn not_exported() {} + +// CHECK: attributes #0 = {{.*}} "tune-cpu"="{{.*}}" |