diff options
Diffstat (limited to 'test/lit/passes/simplify-locals-gc-nn.wast')
-rw-r--r-- | test/lit/passes/simplify-locals-gc-nn.wast | 99 |
1 files changed, 17 insertions, 82 deletions
diff --git a/test/lit/passes/simplify-locals-gc-nn.wast b/test/lit/passes/simplify-locals-gc-nn.wast index 814350fc0..e5941cc0e 100644 --- a/test/lit/passes/simplify-locals-gc-nn.wast +++ b/test/lit/passes/simplify-locals-gc-nn.wast @@ -1,33 +1,34 @@ ;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited. -;; RUN: wasm-opt %s --simplify-locals -all --enable-gc-nn-locals -S -o - | filecheck %s +;; RUN: wasm-opt %s --simplify-locals -all -S -o - | filecheck %s (module ;; CHECK: (func $test-nn - ;; CHECK-NEXT: (local $nn (ref any)) - ;; CHECK-NEXT: (local.set $nn - ;; CHECK-NEXT: (ref.as_non_null - ;; CHECK-NEXT: (ref.null any) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (local $nn anyref) + ;; CHECK-NEXT: (nop) ;; CHECK-NEXT: (try $try ;; CHECK-NEXT: (do - ;; CHECK-NEXT: (drop - ;; CHECK-NEXT: (local.get $nn) + ;; CHECK-NEXT: (local.set $nn + ;; CHECK-NEXT: (ref.as_non_null + ;; CHECK-NEXT: (ref.null any) + ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: (catch_all ;; CHECK-NEXT: (drop - ;; CHECK-NEXT: (local.get $nn) + ;; CHECK-NEXT: (ref.as_non_null + ;; CHECK-NEXT: (local.get $nn) + ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) (func $test-nn (local $nn (ref any)) - ;; We should not sink this set into the try, as the spec does not allow it - ;; even though we are not changing dominance (we are not changing it, - ;; because there is nothing that can throw in the try's body that can reach - ;; the catch_all before the local.set that we move there). See + ;; We can sink this set into the try, but the spec does not allow it to + ;; remain non-nullable. Even though we are not changing dominance (we are + ;; not changing it, because there is nothing that can throw in the try's + ;; body that can reach the catch_all before the local.set that we move + ;; there). See ;; https://github.com/WebAssembly/function-references/issues/44#issuecomment-1083146887 (local.set $nn (ref.as_non_null @@ -67,8 +68,8 @@ ;; CHECK-NEXT: ) ;; CHECK-NEXT: ) (func $test-nullable - ;; As above, but now the local is nullable. Here we *can* optimize the set - ;; into the try. + ;; As above, but now the local is nullable. Here we can optimize the set + ;; into the try, with no other necessary changes. (local $nullable (ref null any)) (local.set $nullable (ref.as_non_null @@ -88,70 +89,4 @@ ) ) ) - - ;; CHECK: (func $test-nested-nn - ;; CHECK-NEXT: (local $nullable anyref) - ;; CHECK-NEXT: (local $nn (ref any)) - ;; CHECK-NEXT: (local.set $nullable - ;; CHECK-NEXT: (block (result (ref any)) - ;; CHECK-NEXT: (local.set $nn - ;; CHECK-NEXT: (ref.as_non_null - ;; CHECK-NEXT: (ref.null any) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: (ref.as_non_null - ;; CHECK-NEXT: (ref.null any) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: (try $try - ;; CHECK-NEXT: (do - ;; CHECK-NEXT: (drop - ;; CHECK-NEXT: (local.get $nullable) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: (catch_all - ;; CHECK-NEXT: (drop - ;; CHECK-NEXT: (local.get $nullable) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: (drop - ;; CHECK-NEXT: (local.get $nn) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - ;; CHECK-NEXT: ) - (func $test-nested-nn - ;; As above, the set we want to move is nullable, but now it has a nested - ;; value that is a non-nullable set. That should also prevent us from - ;; moving it. - (local $nullable (ref null any)) - (local $nn (ref any)) - (local.set $nullable - (block (result (ref any)) - (local.set $nn - (ref.as_non_null - (ref.null any) - ) - ) - (ref.as_non_null - (ref.null any) - ) - ) - ) - (try - (do - (drop - (local.get $nullable) - ) - ) - (catch_all - (drop - (local.get $nullable) - ) - (drop - (local.get $nn) - ) - ) - ) - ) ) |