rust/tests/codegen/target-cpu-on-functions.rs

// This test makes sure that functions get annotated with the proper
// "target-cpu" attribute in LLVM.

//@ no-prefer-dynamic
//
//@ compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals

#![crate_type = "staticlib"]

// CHECK-LABEL: define {{.*}} @exported() {{.*}} #0
#[no_mangle]
pub extern "C" fn exported() {
    not_exported();
}

// CHECK-LABEL: ; target_cpu_on_functions::not_exported
// CHECK-NEXT: ; Function Attrs:
// CHECK-NEXT: define {{.*}}() {{.*}} #1
#[inline(never)]
fn not_exported() {}

// CHECK: attributes #0 = {{.*}} "target-cpu"="{{.*}}"
Annotate functions in LLVM with target-cpu, same as Clang does. 2018-08-02 16:10:26 +00:00			`// This test makes sure that functions get annotated with the proper`
			`// "target-cpu" attribute in LLVM.`

Address review comments for #53031 and fix some merge fallout. 2018-08-06 09:16:28 +00:00			`//@ no-prefer-dynamic`
Remove redundant `ignore-tidy-linelength` annotations This is step 2 towards fixing #77548. In the codegen and codegen-units test suites, the `//` comment markers were kept in order not to affect any source locations. This is because these tests cannot be automatically `--bless`ed. 2021-04-03 11:05:11 +00:00			`//`
Stabilize linker-plugin based LTO. 2019-02-01 14:15:43 +00:00			`//@ compile-flags: -C no-prepopulate-passes -C panic=abort -C linker-plugin-lto -Cpasses=name-anon-globals`
Annotate functions in LLVM with target-cpu, same as Clang does. 2018-08-02 16:10:26 +00:00
			`#![crate_type = "staticlib"]`

			`// CHECK-LABEL: define {{.}} @exported() {{.}} #0`
			`#[no_mangle]`
Update code to account for extern ABI requirement 2020-09-01 21:28:11 +00:00			`pub extern "C" fn exported() {`
Annotate functions in LLVM with target-cpu, same as Clang does. 2018-08-02 16:10:26 +00:00			`not_exported();`
			`}`

test: support both (`legacy` and `v0`) choices of mangling. 2019-04-13 16:03:02 +00:00			`// CHECK-LABEL: ; target_cpu_on_functions::not_exported`
			`// CHECK-NEXT: ; Function Attrs:`
Automatically enable cross-crate inlining for small functions 2023-10-07 00:29:42 +00:00			`// CHECK-NEXT: define {{.}}() {{.}} #1`
			`#[inline(never)]`
Annotate functions in LLVM with target-cpu, same as Clang does. 2018-08-02 16:10:26 +00:00			`fn not_exported() {}`

Relax the target-cpu-on-function codegen test so it just checks for presence of the attribute. 2018-08-09 07:39:02 +00:00			`// CHECK: attributes #0 = {{.}} "target-cpu"="{{.}}"`