externally-initialized-global-ctr.ll 1.7 KB

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  1. ; RUN: opt < %s -globalopt -S | FileCheck %s
  2. ; rdar://12580965.
  3. ; ObjC++ test case.
  4. %struct.ButtonInitData = type { i8* }
  5. @_ZL14buttonInitData = internal global [1 x %struct.ButtonInitData] zeroinitializer, align 4
  6. @"\01L_OBJC_METH_VAR_NAME_40" = internal global [7 x i8] c"print:\00", section "__TEXT,__objc_methname,cstring_literals", align 1
  7. @"\01L_OBJC_SELECTOR_REFERENCES_41" = internal externally_initialized global i8* getelementptr inbounds ([7 x i8], [7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), section "__DATA, __objc_selrefs, literal_pointers, no_dead_strip"
  8. @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }]
  9. @llvm.used = appending global [2 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @"\01L_OBJC_METH_VAR_NAME_40", i32 0, i32 0), i8* bitcast (i8** @"\01L_OBJC_SELECTOR_REFERENCES_41" to i8*)]
  10. define internal void @__cxx_global_var_init() section "__TEXT,__StaticInit,regular,pure_instructions" {
  11. %1 = load i8*, i8** @"\01L_OBJC_SELECTOR_REFERENCES_41", !invariant.load !2009
  12. store i8* %1, i8** getelementptr inbounds ([1 x %struct.ButtonInitData], [1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
  13. ret void
  14. }
  15. define internal void @_GLOBAL__I_a() section "__TEXT,__StaticInit,regular,pure_instructions" {
  16. call void @__cxx_global_var_init()
  17. ret void
  18. }
  19. declare void @test(i8*)
  20. define void @print() {
  21. ; CHECK: %1 = load i8*, i8** @_ZL14buttonInitData.0.0, align 4
  22. %1 = load i8*, i8** getelementptr inbounds ([1 x %struct.ButtonInitData], [1 x %struct.ButtonInitData]* @_ZL14buttonInitData, i32 0, i32 0, i32 0), align 4
  23. call void @test(i8* %1)
  24. ret void
  25. }
  26. !2009 = !{}