test/lit/passes/simplify-globals-nested.wast

;; NOTE: Assertions have been generated by update_lit_checks.py --all-items and should not be edited.
;; NOTE: This test was ported using port_passes_tests_to_lit.py and could be cleaned up.

;; RUN: foreach %s %t wasm-opt --simplify-globals -all -S -o - | filecheck %s

;; Test that we propagate globals into nested children of other globals.

(module
 ;; CHECK:      (type $struct (struct (field i32) (field i32) (field i32)))
 (type $struct (struct i32 i32 i32))

 ;; CHECK:      (import "x" "y" (global $no i32))
 (import "x" "y" (global $no i32))

 ;; CHECK:      (global $a i32 (i32.const 42))
 (global $a i32 (i32.const 42))

 ;; CHECK:      (global $b i32 (i32.const 1337))
 (global $b i32 (i32.const 1337))

 ;; CHECK:      (global $struct (ref $struct) (struct.new $struct
 ;; CHECK-NEXT:  (i32.const 42)
 ;; CHECK-NEXT:  (global.get $no)
 ;; CHECK-NEXT:  (i32.const 1337)
 ;; CHECK-NEXT: ))
 (global $struct (ref $struct) (struct.new $struct
  (global.get $a)
  (global.get $no) ;; the middle item cannot be optimized
  (global.get $b)
 ))
)