20 lines
817 B
Rust
20 lines
817 B
Rust
// Verifies that pointer type membership tests for indirect calls are emitted.
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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 -Copt-level=0
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#![crate_type="lib"]
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pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
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// CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
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// CHECK: start:
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// CHECK: [[TT:%.+]] = call i1 @llvm.type.test(ptr {{%f|%0}}, metadata !"{{[[:print:]]+}}")
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// CHECK-NEXT: br i1 [[TT]], label %type_test.pass, label %type_test.fail
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// CHECK: type_test.pass:
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// CHECK-NEXT: {{%.+}} = call i32 %f(i32 %arg)
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// CHECK: type_test.fail:
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// CHECK-NEXT: call void @llvm.trap()
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// CHECK-NEXT: unreachable
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f(arg)
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}
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