2016-02-03 19:27:32 +01:00
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// compile-flags: -C no-prepopulate-passes
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#![crate_type = "lib"]
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struct SomeUniqueName;
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impl Drop for SomeUniqueName {
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fn drop(&mut self) {
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}
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}
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pub fn possibly_unwinding() {
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}
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// CHECK-LABEL: @droppy
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#[no_mangle]
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pub fn droppy() {
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// Check that there are exactly 6 drop calls. The cleanups for the unwinding should be reused, so
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// that's one new drop call per call to possibly_unwinding(), and finally 3 drop calls for the
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// regular function exit. We used to have problems with quadratic growths of drop calls in such
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// functions.
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2016-08-24 06:36:37 +03:00
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// CHECK-NOT: invoke{{.*}}drop{{.*}}SomeUniqueName
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2016-05-26 13:04:35 -04:00
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// CHECK: call{{.*}}drop{{.*}}SomeUniqueName
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// CHECK: call{{.*}}drop{{.*}}SomeUniqueName
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// CHECK-NOT: call{{.*}}drop{{.*}}SomeUniqueName
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2016-08-24 06:36:37 +03:00
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// CHECK: invoke{{.*}}drop{{.*}}SomeUniqueName
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2017-05-31 16:07:24 +02:00
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// CHECK: call{{.*}}drop{{.*}}SomeUniqueName
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2016-08-24 06:36:37 +03:00
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// CHECK: invoke{{.*}}drop{{.*}}SomeUniqueName
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2017-04-20 01:20:50 +03:00
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// CHECK: call{{.*}}drop{{.*}}SomeUniqueName
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2016-08-24 06:36:37 +03:00
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// CHECK-NOT: {{(call|invoke).*}}drop{{.*}}SomeUniqueName
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2016-02-03 19:27:32 +01:00
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// The next line checks for the } that ends the function definition
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// CHECK-LABEL: {{^[}]}}
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let _s = SomeUniqueName;
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possibly_unwinding();
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let _s = SomeUniqueName;
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possibly_unwinding();
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let _s = SomeUniqueName;
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possibly_unwinding();
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}
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