File: indirect-hidden.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 (43 lines) | stat: -rw-r--r-- 1,070 bytes parent folder | download | duplicates (18)
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
; RUN: llc -mtriple=i686-apple-macosx -o - %s | FileCheck %s

; x86 doesn't normally use indirect symbols, particularly hidden ones, but it
; can be tricked into it for exception-handling typeids.

@hidden_typeid = external hidden constant ptr
@normal_typeid = external constant ptr

declare void @throws()

define void @get_indirect_hidden() personality ptr @__gxx_personality_v0 {
  invoke void @throws() to label %end unwind label %lpad
lpad:
  %tmp = landingpad { ptr, i32 }
          catch ptr @hidden_typeid
  br label %end

end:
  ret void
}

define void @get_indirect() personality ptr @__gxx_personality_v0 {
  invoke void @throws() to label %end unwind label %lpad
lpad:
  %tmp = landingpad { ptr, i32 }
          catch ptr @normal_typeid
  br label %end

end:
  ret void
}

declare i32 @__gxx_personality_v0(...)

; CHECK: .section __IMPORT,__pointers,non_lazy_symbol_pointers

; CHECK-NOT: __DATA,__data
; CHECK: .indirect_symbol _hidden_typeid
; CHECK-NEXT: .long 0

; CHECK-NOT: __DATA,__data
; CHECK: .indirect_symbol _normal_typeid
; CHECK-NEXT: .long 0