about summary refs log tree commit diff
path: root/src/test/codegen/try_identity.rs
diff options
context:
space:
mode:
authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /src/test/codegen/try_identity.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'src/test/codegen/try_identity.rs')
-rw-r--r--src/test/codegen/try_identity.rs34
1 files changed, 0 insertions, 34 deletions
diff --git a/src/test/codegen/try_identity.rs b/src/test/codegen/try_identity.rs
deleted file mode 100644
index 92be90014ff..00000000000
--- a/src/test/codegen/try_identity.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// compile-flags: -C no-prepopulate-passes -O -Z mir-opt-level=3 -Zunsound-mir-opts
-
-// Ensure that `x?` has no overhead on `Result<T, E>` due to identity `match`es in lowering.
-// This requires inlining to trigger the MIR optimizations in `SimplifyArmIdentity`.
-
-#![crate_type = "lib"]
-
-type R = Result<u64, i32>;
-
-// This was written to the `?` from `try_trait`, but `try_trait_v2` uses a different structure,
-// so the relevant desugar is copied inline in order to keep the test testing the same thing.
-// FIXME(#85133): while this might be useful for `r#try!`, it would be nice to have a MIR
-// optimization that picks up the `?` desugaring, as `SimplifyArmIdentity` does not.
-#[no_mangle]
-pub fn try_identity(x: R) -> R {
-// CHECK: start:
-// FIXME(JakobDegen): Broken by deaggregation change CHECK-NOT\: br {{.*}}
-// CHECK ret void
-    let y = match into_result(x) {
-        Err(e) => return from_error(From::from(e)),
-        Ok(v) => v,
-    };
-    Ok(y)
-}
-
-#[inline]
-fn into_result<T, E>(r: Result<T, E>) -> Result<T, E> {
-    r
-}
-
-#[inline]
-fn from_error<T, E>(e: E) -> Result<T, E> {
-    Err(e)
-}