45 lines
1.3 KiB
Rust
45 lines
1.3 KiB
Rust
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// Verifies that type metadata identifiers for trait objects are emitted correctly.
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//
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// needs-sanitizer-cfi
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// compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi
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#![crate_type="lib"]
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trait Trait1 {
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fn foo(&self);
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}
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struct Type1;
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impl Trait1 for Type1 {
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fn foo(&self) {
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}
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}
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pub fn foo() {
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let a = Type1;
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a.foo();
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// CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}}
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// CHECK: call <sanitizer_cfi_emit_type_metadata_trait_objects::Type1 as sanitizer_cfi_emit_type_metadata_trait_objects::Trait1>::foo
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}
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pub fn bar() {
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let a = Type1;
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let b = &a as &dyn Trait1;
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b.foo();
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// CHECK-LABEL: define{{.*}}bar{{.*}}!type !{{[0-9]+}}
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// CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0|%1}}, metadata !"[[TYPE1:[[:print:]]+]]")
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}
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pub fn baz() {
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let a = Type1;
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let b = &a as &dyn Trait1;
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a.foo();
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b.foo();
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// CHECK-LABEL: define{{.*}}baz{{.*}}!type !{{[0-9]+}}
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// CHECK: call <sanitizer_cfi_emit_type_metadata_trait_objects::Type1 as sanitizer_cfi_emit_type_metadata_trait_objects::Trait1>::foo
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// CHECK: call i1 @llvm.type.test({{i8\*|ptr}} {{%f|%0|%1}}, metadata !"[[TYPE1:[[:print:]]+]]")
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}
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// CHECK: !{{[0-9]+}} = !{i64 0, !"[[TYPE1]]"}
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