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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 | 
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 | 
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/optimize-attr-1.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/optimize-attr-1.rs')
| -rw-r--r-- | tests/codegen-llvm/optimize-attr-1.rs | 59 | 
1 files changed, 59 insertions, 0 deletions
| diff --git a/tests/codegen-llvm/optimize-attr-1.rs b/tests/codegen-llvm/optimize-attr-1.rs new file mode 100644 index 00000000000..db6bdcf9a8b --- /dev/null +++ b/tests/codegen-llvm/optimize-attr-1.rs @@ -0,0 +1,59 @@ +//@ 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 | 
