File: scc-const-alias.ll

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (38 lines) | stat: -rw-r--r-- 1,096 bytes parent folder | download | duplicates (13)
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
; We should never separate alias from aliasee.
; RUN: llvm-split -j=3 -preserve-locals -o %t %s
; RUN: llvm-dis -o - %t0 | FileCheck --check-prefix=CHECK0 %s
; RUN: llvm-dis -o - %t1 | FileCheck --check-prefix=CHECK1 %s
; RUN: llvm-dis -o - %t2 | FileCheck --check-prefix=CHECK2 %s

; Checks are not critical here - verifier will assert if we fail.
; CHECK0: @g1 = global i32 99
; CHECK0: @c1Alias = external global i8
; CHECK0: @g1Alias = internal alias i8, ptr @g1

; CHECK1: @g1 = external global i32
; CHECK1: @c1Alias = internal alias i8, inttoptr (i64 42 to ptr)

; Third file is actually empty.
; CHECK2: @g1 = external global i32
; CHECK2: @g1Alias = external global i8
; CHECK2: @c1Alias = external global i8

@g1 = global i32 99

@g1Alias = internal alias i8, ptr @g1
@c1Alias = internal alias i8, inttoptr (i64 42 to ptr)
@funExternalAlias = alias i8 (), ptr @funExternal

define i8 @funExternal() {
entry:
  %x = load i8, ptr @g1Alias
  ret i8 %x
}

define i8 @funExternal2() {
entry:
  %x = load i8, ptr @c1Alias
  %y = call i8 @funExternalAlias()
  %z = add i8 %x, %y
  ret i8 %z
}