File: undef.ll

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 (36 lines) | stat: -rw-r--r-- 1,096 bytes parent folder | download | duplicates (8) 
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
 
; RUN: llvm-as %s -o %t.o
; RUN: wasm-ld %t.o -o %t.wasm --allow-undefined
; RUN: obj2yaml %t.wasm | FileCheck %s

target datalayout = "e-m:e-p:32:32-p10:8:8-p20:8:8-i64:64-n32:64-S128"
target triple = "wasm32-unknown-unknown"

declare i32 @bar()

; Symbols such as foo which are only called indirectly are handled slightly
; differently with respect to signature checking.
declare i32 @foo()

@ptr = global ptr @foo, align 8
; Ensure access to ptr is not inlined below, even under LTO
@llvm.used = appending global [1 x ptr] [ptr @ptr], section "llvm.metadata"

define void @_start() {
  call i32 @bar()

  %addr = load ptr, ptr @ptr, align 8
  call i32 %addr()

  ret void
}

; CHECK:       - Type:            IMPORT
; CHECK-NEXT:    Imports:         
; CHECK-NEXT:      - Module:          env
; CHECK-NEXT:        Field:           bar
; CHECK-NEXT:        Kind:            FUNCTION
; CHECK-NEXT:        SigIndex:        0
; CHECK-NEXT:      - Module:          env
; CHECK-NEXT:        Field:           foo
; CHECK-NEXT:        Kind:            FUNCTION
; CHECK-NEXT:        SigIndex:        0