blob: 2911537e1f846a74b23d03d4c118c96604ae0299 (
plain)
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
|
;; Test that optimizers don't do redundant-load, store-to-load, or dead-store
;; optimizations when there are interfering stores, even of different types
;; and to non-identical addresses.
(module
(memory 1 1)
(func (export "zero_everything")
(i32.store (i32.const 0) (i32.const 0))
(i32.store (i32.const 4) (i32.const 0))
(i32.store (i32.const 8) (i32.const 0))
(i32.store (i32.const 12) (i32.const 0))
)
(func (export "test_store_to_load") (result i32)
(i32.store (i32.const 8) (i32.const 0))
(f32.store (i32.const 5) (f32.const -0.0))
(i32.load (i32.const 8))
)
(func (export "test_redundant_load") (result i32)
(local $t i32)
(local $s i32)
(set_local $t (i32.load (i32.const 8)))
(i32.store (i32.const 5) (i32.const 0x80000000))
(set_local $s (i32.load (i32.const 8)))
(i32.add (get_local $t) (get_local $s))
)
(func (export "test_dead_store") (result f32)
(local $t f32)
(i32.store (i32.const 8) (i32.const 0x23232323))
(set_local $t (f32.load (i32.const 11)))
(i32.store (i32.const 8) (i32.const 0))
(get_local $t)
)
)
(assert_return (invoke "test_store_to_load") (i32.const 0x00000080))
(invoke "zero_everything")
(assert_return (invoke "test_redundant_load") (i32.const 0x00000080))
(invoke "zero_everything")
(assert_return (invoke "test_dead_store") (f32.const 0x1.18p-144))
|