1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
;; NOTE: Assertions have been generated by update_lit_checks.py and should not be edited.
;; RUN: wasm-opt %s --simplify-locals -S -o - | filecheck %s
(module
;; CHECK: (global $imm-glob i32 (i32.const 1234))
(global $imm-glob i32 (i32.const 1234))
;; CHECK: (global $mut-glob (mut i32) (i32.const 5678))
(global $mut-glob (mut i32) (i32.const 5678))
;; CHECK: (func $reorder-of-immmutable-global (result i32)
;; CHECK-NEXT: (local $temp i32)
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: (call $helper)
;; CHECK-NEXT: (global.get $imm-glob)
;; CHECK-NEXT: )
(func $reorder-of-immmutable-global (result i32)
(local $temp i32)
;; As the global is immutable, it cannot be modified in the call, and we can
;; reorder here.
(local.set $temp
(global.get $imm-glob)
)
(call $helper)
(local.get $temp)
)
;; CHECK: (func $no-reorder-of-mutable-global (result i32)
;; CHECK-NEXT: (local $temp i32)
;; CHECK-NEXT: (local.set $temp
;; CHECK-NEXT: (global.get $mut-glob)
;; CHECK-NEXT: )
;; CHECK-NEXT: (call $helper)
;; CHECK-NEXT: (local.get $temp)
;; CHECK-NEXT: )
(func $no-reorder-of-mutable-global (result i32)
(local $temp i32)
;; As the global is mutable, it can be modified in the call, and we cannot
;; reorder here.
(local.set $temp
(global.get $mut-glob)
)
(call $helper)
(local.get $temp)
)
;; CHECK: (func $helper
;; CHECK-NEXT: (nop)
;; CHECK-NEXT: )
(func $helper)
)
|
