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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/codegen/noreturn-uninhabited.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/codegen/noreturn-uninhabited.rs')
-rw-r--r--src/test/codegen/noreturn-uninhabited.rs31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/codegen/noreturn-uninhabited.rs b/src/test/codegen/noreturn-uninhabited.rs
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index 000000000..49f93cf62
--- /dev/null
+++ b/src/test/codegen/noreturn-uninhabited.rs
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+// compile-flags: -g -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+
+#[derive(Clone, Copy)]
+pub enum EmptyEnum {}
+
+#[no_mangle]
+pub fn empty(x: &EmptyEnum) -> EmptyEnum {
+ // CHECK: @empty({{.*}}) unnamed_addr #0
+ // CHECK-NOT: ret void
+ // CHECK: call void @llvm.trap()
+ // CHECK: unreachable
+ *x
+}
+
+pub struct Foo(String, EmptyEnum);
+
+#[no_mangle]
+pub fn foo(x: String, y: &EmptyEnum) -> Foo {
+ // CHECK: @foo({{.*}}) unnamed_addr #0
+ // CHECK-NOT: ret %Foo
+ // CHECK: call void @llvm.trap()
+ // CHECK: unreachable
+ Foo(x, *y)
+}
+
+// CHECK: attributes #0 = {{{.*}} noreturn {{.*}}}
+
+// CHECK: DISubprogram(name: "empty", {{.*}} DIFlagNoReturn
+// CHECK: DISubprogram(name: "foo", {{.*}} DIFlagNoReturn