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40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
#![feature(patchable_function_entry)]
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#![crate_type = "lib"]
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// No patchable function entry should be set
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#[no_mangle]
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pub fn fun0() {}
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// The attribute should work even without compiler flags
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#[no_mangle]
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#[patchable_function_entry(prefix_nops = 1, entry_nops = 2)]
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pub fn fun1() {}
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// The attribute should work even without compiler flags
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// and only set patchable-function-entry to 3.
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#[no_mangle]
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#[patchable_function_entry(entry_nops = 3)]
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pub fn fun2() {}
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// The attribute should work even without compiler flags
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// and only set patchable-function-prefix to 4.
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#[no_mangle]
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#[patchable_function_entry(prefix_nops = 4)]
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pub fn fun3() {}
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// CHECK: @fun0() unnamed_addr #0
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// CHECK: @fun1() unnamed_addr #1
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// CHECK: @fun2() unnamed_addr #2
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// CHECK: @fun3() unnamed_addr #3
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// CHECK-NOT: attributes #0 = { {{.*}}patchable-function-entry{{.*}} }
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// CHECK-NOT: attributes #0 = { {{.*}}patchable-function-prefix{{.*}} }
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// CHECK: attributes #1 = { {{.*}}"patchable-function-entry"="2"{{.*}}"patchable-function-prefix"="1" {{.*}} }
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// CHECK: attributes #2 = { {{.*}}"patchable-function-entry"="3"{{.*}} }
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// CHECK-NOT: attributes #2 = { {{.*}}patchable-function-prefix{{.*}} }
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// CHECK: attributes #3 = { {{.*}}"patchable-function-prefix"="4"{{.*}} }
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// CHECK-NOT: attributes #3 = { {{.*}}patchable-function-entry{{.*}} }
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