diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/lit/passes/simplify-locals-gc.wast | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/test/lit/passes/simplify-locals-gc.wast b/test/lit/passes/simplify-locals-gc.wast new file mode 100644 index 000000000..4308a25a1 --- /dev/null +++ b/test/lit/passes/simplify-locals-gc.wast @@ -0,0 +1,35 @@ +;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited. +;; RUN: wasm-opt %s --simplify-locals -all -S -o - \ +;; RUN: | filecheck %s + +(module + (type $struct (struct (field (mut i32)))) + + ;; Writes to heap objects cannot be reordered with reads. + ;; CHECK: (func $no-reorder-past-write (param $x (ref $struct)) (result i32) + ;; CHECK-NEXT: (local $temp i32) + ;; CHECK-NEXT: (local.set $temp + ;; CHECK-NEXT: (struct.get $struct 0 + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (struct.set $struct 0 + ;; CHECK-NEXT: (local.get $x) + ;; CHECK-NEXT: (i32.const 42) + ;; CHECK-NEXT: ) + ;; CHECK-NEXT: (local.get $temp) + ;; CHECK-NEXT: ) + (func $no-reorder-past-write (param $x (ref $struct)) (result i32) + (local $temp i32) + (local.set $temp + (struct.get $struct 0 + (local.get $x) + ) + ) + (struct.set $struct 0 + (local.get $x) + (i32.const 42) + ) + (local.get $temp) + ) +) |