File: externref.s

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (44 lines) | stat: -rw-r--r-- 1,205 bytes parent folder | download | duplicates (23) 
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
 
# RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -o %t.o %s
# RUN: wasm-ld %t.o -o %t.wasm
# RUN: obj2yaml %t.wasm | FileCheck %s

# Tests use of externref type, including storing it in a global

.globaltype my_global, externref

.globl read_externref
read_externref:
  .functype read_externref () -> (externref)
  global.get my_global
  end_function

.globl write_externref
write_externref:
  .functype write_externref (externref) -> ()
  local.get 0
  global.set my_global
  end_function

my_global:

.globl _start
_start:
  .functype _start () -> ()
  call read_externref
  call write_externref
  end_function

#      CHECK:  - Type:            GLOBAL
# CHECK-NEXT:    Globals:
# CHECK-NEXT:      - Index:           0
# CHECK-NEXT:        Type:            I32
# CHECK-NEXT:        Mutable:         true
# CHECK-NEXT:        InitExpr:
# CHECK-NEXT:          Opcode:          I32_CONST
# CHECK-NEXT:          Value:           66560
# CHECK-NEXT:      - Index:           1
# CHECK-NEXT:        Type:            EXTERNREF
# CHECK-NEXT:        Mutable:         true
# CHECK-NEXT:        InitExpr:
# CHECK-NEXT:          Opcode:          REF_NULL
# CHECK-NEXT:          Type:            EXTERNREF