CFI: Break tests into smaller files

Break type metadata identifiers tests into smaller set of tests/files, and move CFI (and KCFI) codegen tests to a cfi (and kcfi) subdirectory.
rust-lang · Mar 14, 2024 · 6bd85c4 · 6bd85c4
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diff --git a/tests/codegen/sanitizer/cfi-emit-type-metadata-id-itanium-cxx-abi.rs b/tests/codegen/sanitizer/cfi-emit-type-metadata-id-itanium-cxx-abi.rs
diff --git a/...zer/cfi-add-canonical-jump-tables-flag.rs → ...zer/cfi/add-canonical-jump-tables-flag.rs b/...zer/cfi-add-canonical-jump-tables-flag.rs → ...zer/cfi/add-canonical-jump-tables-flag.rs
diff --git a/...zer/cfi-add-enable-split-lto-unit-flag.rs → ...zer/cfi/add-enable-split-lto-unit-flag.rs b/...zer/cfi-add-enable-split-lto-unit-flag.rs → ...zer/cfi/add-enable-split-lto-unit-flag.rs
diff --git a/.../cfi-emit-type-checks-attr-no-sanitize.rs → .../cfi/emit-type-checks-attr-no-sanitize.rs b/.../cfi-emit-type-checks-attr-no-sanitize.rs → .../cfi/emit-type-checks-attr-no-sanitize.rs
@@ -8,7 +8,7 @@
 
 #[no_sanitize(cfi)]
 pub fn foo(f: fn(i32) -> i32, arg: i32) -> i32 {
-    // CHECK-LABEL: cfi_emit_type_checks_attr_no_sanitize::foo
+    // CHECK-LABEL: emit_type_checks_attr_no_sanitize::foo
     // CHECK:       Function Attrs: {{.*}}
     // CHECK-LABEL: define{{.*}}foo{{.*}}!type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
     // CHECK:       start:

diff --git a/...codegen/sanitizer/cfi-emit-type-checks.rs → ...codegen/sanitizer/cfi/emit-type-checks.rs b/...codegen/sanitizer/cfi-emit-type-checks.rs → ...codegen/sanitizer/cfi/emit-type-checks.rs
diff --git a/...i-emit-type-metadata-attr-cfi-encoding.rs → ...i/emit-type-metadata-attr-cfi-encoding.rs b/...i-emit-type-metadata-attr-cfi-encoding.rs → ...i/emit-type-metadata-attr-cfi-encoding.rs
diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-const-generics.rs
@@ -0,0 +1,30 @@
+// Verifies that type metadata identifiers for functions are emitted correctly
+// for const generics.
+//
+//@ needs-sanitizer-cfi
+//@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(type_alias_impl_trait)]
+
+extern crate core;
+
+pub type Type1 = impl Send;
+
+pub fn foo() where
+    Type1: 'static,
+{
+    pub struct Foo<T, const N: usize>([T; N]);
+    let _: Type1 = Foo([0; 32]);
+}
+
+pub fn foo1(_: Type1) { }
+// CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: Type1, _: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EEE"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EES2_E"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo3FooIu3i32Lu5usize32EES2_S2_E"}
diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-function-types.rs
@@ -0,0 +1,45 @@
+// Verifies that type metadata identifiers for functions are emitted correctly
+// for function types.
+//
+//@ needs-sanitizer-cfi
+//@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static
+
+#![crate_type="lib"]
+
+pub fn foo1(_: fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: fn(i32) -> i32, _: fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: &dyn Fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo5(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32, _: &dyn Fn(i32) -> i32) { }
+// CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: &dyn FnMut(i32) -> i32) { }
+// CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo8(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { }
+// CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo9(_: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32, _: &dyn FnMut(i32) -> i32) { }
+// CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo10(_: &dyn FnOnce(i32) -> i32) { }
+// CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo11(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) { }
+// CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo12(_: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32, _: &dyn FnOnce(i32) -> i32) {}
+// CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvPFu3i32S_EE"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvPFu3i32S_ES0_E"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvPFu3i32S_ES0_S0_E"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function2FnIu5paramEu6regionEEE"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function2FnIu5paramEu6regionEES3_E"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function2FnIu5paramEu6regionEES3_S3_E"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function5FnMutIu5paramEu6regionEEE"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function5FnMutIu5paramEu6regionEES3_E"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function5FnMutIu5paramEu6regionEES3_S3_E"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function6FnOnceIu5paramEu6regionEEE"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function6FnOnceIu5paramEu6regionEES3_E"}
+// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu3refIu3dynIu{{[0-9]+}}NtNtNtC{{[[:print:]]+}}_4core3ops8function6FnOnceIu5paramEu6regionEES3_S3_E"}
diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-lifetimes.rs
@@ -0,0 +1,27 @@
+// Verifies that type metadata identifiers for functions are emitted correctly
+// for lifetimes/regions.
+//
+//@ needs-sanitizer-cfi
+//@ compile-flags: -Clto -Cno-prepopulate-passes -Ctarget-feature=-crt-static -Zsanitizer=cfi -Copt-level=0
+
+#![crate_type="lib"]
+#![feature(type_alias_impl_trait)]
+
+extern crate core;
+
+pub type Type1 = impl Send;
+
+pub fn foo<'a>() where
+    Type1: 'static,
+{
+    pub struct Foo<'a>(&'a i32);
+    pub struct Bar<'a, 'b>(&'a i32, &'b Foo<'b>);
+    let _: Type1 = Bar;
+}
+
+pub fn foo1(_: Type1) { }
+// CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: Type1, _: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-paths.rs
@@ -0,0 +1,86 @@
+// Verifies that type metadata identifiers for functions are emitted correctly
+// for paths.
+//
+//@ needs-sanitizer-cfi
+//@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static
+
+#![crate_type="lib"]
+#![feature(inline_const, type_alias_impl_trait)]
+
+extern crate core;
+
+pub type Type1 = impl Send;
+pub type Type2 = impl Send;
+pub type Type3 = impl Send;
+pub type Type4 = impl Send;
+
+pub fn foo() where
+    Type1: 'static,
+    Type2: 'static,
+    Type3: 'static,
+    Type4: 'static,
+{
+    // Type in extern path
+    extern {
+        fn bar();
+    }
+    let _: Type1 = bar;
+
+    // Type in closure path
+    || {
+        pub struct Foo;
+        let _: Type2 = Foo;
+    };
+
+    // Type in const path
+    const {
+        pub struct Foo;
+        fn bar() -> Type3 { Foo }
+    };
+
+
+    // Type in impl path
+    struct Foo;
+    impl Foo {
+        fn bar(&self) { }
+    }
+    let _: Type4 = <Foo>::bar;
+}
+
+pub fn foo1(_: Type1) { }
+// CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: Type1, _: Type1, _: Type1) { }
+// CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: Type2) { }
+// CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo5(_: Type2, _: Type2) { }
+// CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: Type2, _: Type2, _: Type2) { }
+// CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: Type3) { }
+// CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo8(_: Type3, _: Type3) { }
+// CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo9(_: Type3, _: Type3, _: Type3) { }
+// CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo10(_: Type4) { }
+// CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo11(_: Type4, _: Type4) { }
+// CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo12(_: Type4, _: Type4, _: Type4) { }
+// CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barE"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barS_E"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNFNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo10{{[{}][{}]}}extern{{[}][}]}}3barS_S_E"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooE"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooS_E"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNCNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo11{{[{}][{}]}}closure{{[}][}]}}3FooS_S_E"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooE"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooS_E"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NtNkNvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo12{{[{}][{}]}}constant{{[}][}]}}3FooS_S_E"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barE"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barS_E"}
+// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvu{{[0-9]+}}NvNINvC{{[[:print:]]+}}_{{[[:print:]]+}}3foo8{{[{}][{}]}}impl{{[}][}]}}3barS_S_E"}
diff --git a/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs b/tests/codegen/sanitizer/cfi/emit-type-metadata-id-itanium-cxx-abi-pointer-types.rs
@@ -0,0 +1,54 @@
+// Verifies that type metadata identifiers for functions are emitted correctly
+// for pointer types.
+//
+//@ needs-sanitizer-cfi
+//@ compile-flags: -Clto -Cno-prepopulate-passes -Copt-level=0 -Zsanitizer=cfi -Ctarget-feature=-crt-static
+
+#![crate_type="lib"]
+
+pub fn foo1(_: &mut i32) { }
+// CHECK: define{{.*}}4foo1{{.*}}!type ![[TYPE1:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo2(_: &mut i32, _: &i32) { }
+// CHECK: define{{.*}}4foo2{{.*}}!type ![[TYPE2:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo3(_: &mut i32, _: &i32, _: &i32) { }
+// CHECK: define{{.*}}4foo3{{.*}}!type ![[TYPE3:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo4(_: &i32) { }
+// CHECK: define{{.*}}4foo4{{.*}}!type ![[TYPE4:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo5(_: &i32, _: &mut i32) { }
+// CHECK: define{{.*}}4foo5{{.*}}!type ![[TYPE5:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo6(_: &i32, _: &mut i32, _: &mut i32) { }
+// CHECK: define{{.*}}4foo6{{.*}}!type ![[TYPE6:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo7(_: *mut i32) { }
+// CHECK: define{{.*}}4foo7{{.*}}!type ![[TYPE7:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo8(_: *mut i32, _: *const i32) { }
+// CHECK: define{{.*}}4foo8{{.*}}!type ![[TYPE8:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo9(_: *mut i32, _: *const i32, _: *const i32) { }
+// CHECK: define{{.*}}4foo9{{.*}}!type ![[TYPE9:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo10(_: *const i32) { }
+// CHECK: define{{.*}}5foo10{{.*}}!type ![[TYPE10:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo11(_: *const i32, _: *mut i32) { }
+// CHECK: define{{.*}}5foo11{{.*}}!type ![[TYPE11:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo12(_: *const i32, _: *mut i32, _: *mut i32) { }
+// CHECK: define{{.*}}5foo12{{.*}}!type ![[TYPE12:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo13(_: fn(i32) -> i32) { }
+// CHECK: define{{.*}}5foo13{{.*}}!type ![[TYPE13:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo14(_: fn(i32) -> i32, _: fn(i32) -> i32) { }
+// CHECK: define{{.*}}5foo14{{.*}}!type ![[TYPE14:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+pub fn foo15(_: fn(i32) -> i32, _: fn(i32) -> i32, _: fn(i32) -> i32) { }
+// CHECK: define{{.*}}5foo15{{.*}}!type ![[TYPE15:[0-9]+]] !type !{{[0-9]+}} !type !{{[0-9]+}} !type !{{[0-9]+}}
+
+// CHECK: ![[TYPE1]] = !{i64 0, !"_ZTSFvU3mutu3refIu3i32EE"}
+// CHECK: ![[TYPE2]] = !{i64 0, !"_ZTSFvU3mutu3refIu3i32ES0_E"}
+// CHECK: ![[TYPE3]] = !{i64 0, !"_ZTSFvU3mutu3refIu3i32ES0_S0_E"}
+// CHECK: ![[TYPE4]] = !{i64 0, !"_ZTSFvu3refIu3i32EE"}
+// CHECK: ![[TYPE5]] = !{i64 0, !"_ZTSFvu3refIu3i32EU3mutS0_E"}
+// CHECK: ![[TYPE6]] = !{i64 0, !"_ZTSFvu3refIu3i32EU3mutS0_S1_E"}
+// CHECK: ![[TYPE7]] = !{i64 0, !"_ZTSFvPu3i32E"}
+// CHECK: ![[TYPE8]] = !{i64 0, !"_ZTSFvPu3i32PKS_E"}
+// CHECK: ![[TYPE9]] = !{i64 0, !"_ZTSFvPu3i32PKS_S2_E"}
+// CHECK: ![[TYPE10]] = !{i64 0, !"_ZTSFvPKu3i32E"}
+// CHECK: ![[TYPE11]] = !{i64 0, !"_ZTSFvPKu3i32PS_E"}
+// CHECK: ![[TYPE12]] = !{i64 0, !"_ZTSFvPKu3i32PS_S2_E"}
+// CHECK: ![[TYPE13]] = !{i64 0, !"_ZTSFvPFu3i32S_EE"}
+// CHECK: ![[TYPE14]] = !{i64 0, !"_ZTSFvPFu3i32S_ES0_E"}
+// CHECK: ![[TYPE15]] = !{i64 0, !"_ZTSFvPFu3i32S_ES0_S0_E"}