50 lines
1.1 KiB
Rust
50 lines
1.1 KiB
Rust
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// revisions: NO-OPT SIZE-OPT SPEED-OPT
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// [NO-OPT]compile-flags: -Copt-level=0
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// [SIZE-OPT]compile-flags: -Copt-level=s
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// [SPEED-OPT]compile-flags: -Copt-level=3
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#![feature(optimize_attribute)]
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#![crate_type="rlib"]
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// NO-OPT: Function Attrs:{{.*}}optnone
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// NO-OPT-NOT: {{optsize|minsize}}
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// NO-OPT-NEXT: @nothing
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// NO-OPT: ret i32 %1
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//
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// SIZE-OPT: Function Attrs:{{.*}}optsize
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// SIZE-OPT-NOT: {{minsize|optnone}}
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// SIZE-OPT-NEXT: @nothing
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// SIZE-OPT-NEXT: start
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// SIZE-OPT-NEXT: ret i32 4
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//
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// SPEED-OPT: Function Attrs:
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// SPEED-OPT-NOT: {{minsize|optnone|optsize}}
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// SPEED-OPT-NEXT: @nothing
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// SPEED-OPT-NEXT: start
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// SPEED-OPT-NEXT: ret i32 4
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#[no_mangle]
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pub fn nothing() -> i32 {
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2 + 2
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}
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// CHECK: Function Attrs:{{.*}} minsize{{.*}}optsize
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// CHECK-NEXT: @size
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// CHECK-NEXT: start
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// CHECK-NEXT: ret i32 4
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#[optimize(size)]
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#[no_mangle]
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pub fn size() -> i32 {
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2 + 2
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}
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// CHECK: Function Attrs:
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// CHECK-NOT: {{minsize|optsize|optnone}}
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// CHECK-NEXT: @speed
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// CHECK-NEXT: start
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// CHECK-NEXT: ret i32 4
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#[optimize(speed)]
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#[no_mangle]
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pub fn speed() -> i32 {
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2 + 2
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}
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