| //@ revisions: NO-OPT SIZE-OPT SPEED-OPT | |
| //@[NO-OPT] compile-flags: -Copt-level=0 -Ccodegen-units=1 | |
| //@[SIZE-OPT] compile-flags: -Copt-level=s -Ccodegen-units=1 | |
| //@[SPEED-OPT] compile-flags: -Copt-level=3 -Ccodegen-units=1 | |
| #![feature(optimize_attribute)] | |
| #![crate_type = "rlib"] | |
| // CHECK-LABEL: define{{.*}}i32 @nothing | |
| // CHECK-SAME: [[NOTHING_ATTRS:#[0-9]+]] | |
| // SIZE-OPT: ret i32 4 | |
| // SPEED-OPT: ret i32 4 | |
| #[no_mangle] | |
| pub fn nothing() -> i32 { | |
| 2 + 2 | |
| } | |
| // CHECK-LABEL: define{{.*}}i32 @size | |
| // CHECK-SAME: [[SIZE_ATTRS:#[0-9]+]] | |
| // SIZE-OPT: ret i32 6 | |
| // SPEED-OPT: ret i32 6 | |
| #[optimize(size)] | |
| #[no_mangle] | |
| pub fn size() -> i32 { | |
| 3 + 3 | |
| } | |
| // CHECK-LABEL: define{{.*}}i32 @speed | |
| // NO-OPT-SAME: [[NOTHING_ATTRS]] | |
| // SPEED-OPT-SAME: [[NOTHING_ATTRS]] | |
| // SIZE-OPT-SAME: [[SPEED_ATTRS:#[0-9]+]] | |
| // SIZE-OPT: ret i32 8 | |
| // SPEED-OPT: ret i32 8 | |
| #[optimize(speed)] | |
| #[no_mangle] | |
| pub fn speed() -> i32 { | |
| 4 + 4 | |
| } | |
| // CHECK-LABEL: define{{.*}}i32 @none | |
| // CHECK-SAME: [[NONE_ATTRS:#[0-9]+]] | |
| // SIZE-OPT: alloca | |
| // SPEED-OPT: alloca | |
| #[no_mangle] | |
| #[optimize(none)] | |
| pub fn none() -> i32 { | |
| let arr = [0, 1, 2, 3, 4]; | |
| arr[4] | |
| } | |
| // NO-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} | |
| // SPEED-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} | |
| // SIZE-OPT-DAG: attributes [[NOTHING_ATTRS]] = {{.*}}optsize{{.*}} | |
| // SIZE-OPT-DAG: attributes [[SIZE_ATTRS]] = {{.*}}minsize{{.*}}optsize{{.*}} | |
| // CHECK-DAG: attributes [[NONE_ATTRS]] = {{.*}}noinline{{.*}}optnone{{.*}} | |
| // SIZE-OPT-DAG: attributes [[SPEED_ATTRS]] | |
| // SIZE-OPT-NOT: minsize | |
| // SIZE-OPT-NOT: optsize |