File: external-func-address.ll

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (65 lines) | stat: -rw-r--r-- 2,400 bytes parent folder | download | duplicates (2)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
; RUN: llc -filetype=obj %s -o - | obj2yaml | FileCheck %s

target triple = "wasm32-unknown-unknown"

; Verify that addresses of external functions generate correctly typed
; imports and relocations of type R_TABLE_INDEX_I32.

declare void @f0(i32) #0
@ptr_to_f0 = hidden global void (i32)* @f0, align 4

attributes #0 = { "wasm-import-module"="somewhere" "wasm-import-name"="something" }

declare void @f1(i32) #1
@ptr_to_f1 = hidden global void (i32)* @f1, align 4

; Check that varargs functions have correctly typed imports
declare i32 @varargs(i32, i32, ...)
define void @call(i32) {
 %a = call i32 (i32, i32, ...) @varargs(i32 0, i32 0)
 ret void
}

; CHECK:      --- !WASM
; CHECK-NEXT: FileHeader:
; CHECK-NEXT:   Version:         0x00000001
; CHECK-NEXT: Sections:
; CHECK-NEXT:   - Type:            TYPE
; CHECK-NEXT:     Signatures:
; CHECK-NEXT:       - Index:           0
; CHECK-NEXT:         ReturnType:      NORESULT
; CHECK-NEXT:         ParamTypes:
; CHECK-NEXT:           - I32
; CHECK-NEXT:       - Index:           1
; CHECK-NEXT:         ReturnType:      I32
; CHECK-NEXT:         ParamTypes:
; CHECK-NEXT:           - I32
; CHECK-NEXT:           - I32
; CHECK-NEXT:           - I32
; CHECK:        - Type:            IMPORT
; CHECK-NEXT:     Imports:
; CHECK:            - Module:          env
; CHECK-NEXT:         Field:           __linear_memory
; CHECK:            - Module:          env
; CHECK-NEXT:         Field:           __indirect_function_table
; CHECK:            - Module:          env
; CHECK-NEXT:         Field:           varargs
; CHECK-NEXT:         Kind:            FUNCTION
; CHECK-NEXT:         SigIndex:        1
; CHECK:            - Module:          somewhere
; CHECK-NEXT:         Field:           something
; CHECK:            - Module:          env
; CHECK-NEXT:         Field:           f1
; CHECK-NEXT:         Kind:            FUNCTION
; CHECK-NEXT:         SigIndex:        0
; CHECK:        - Type:            ELEM
; CHECK-NEXT:     Segments:
; CHECK-NEXT:       - Offset:
; CHECK-NEXT:           Opcode:          I32_CONST
; CHECK-NEXT:           Value:           1
; CHECK-NEXT:         Functions:       [ 1, 2 ]
; CHECK:        - Type:            DATA{{$}}
; CHECK-NEXT:     Relocations:
; CHECK-NEXT:       - Type:            R_WASM_TABLE_INDEX_I32
; CHECK-NEXT:         Index:           3
; CHECK-NEXT:         Offset:          0x00000006