34 lines
1.2 KiB
LLVM
34 lines
1.2 KiB
LLVM
; RUN: opt < %s -S -passes='cgscc(inline),function(early-cse),globalopt' | FileCheck %s
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%0 = type { i32, void ()*, i8* }
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%struct.A = type { i8 }
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%struct.B = type { }
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@a = global %struct.A zeroinitializer, align 1
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@__dso_handle = external global i8*
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@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, void ()* @_GLOBAL__I_a, i8* null }]
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; CHECK-NOT: call i32 @__cxa_atexit
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define internal void @__cxx_global_var_init() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" {
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%1 = call i32 @__cxa_atexit(void (i8*)* bitcast (void (%struct.A*)* @_ZN1AD1Ev to void (i8*)*), i8* getelementptr inbounds (%struct.A, %struct.A* @a, i32 0, i32 0), i8* bitcast (i8** @__dso_handle to i8*))
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ret void
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}
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define linkonce_odr void @_ZN1AD1Ev(%struct.A* %this) nounwind align 2 {
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%t = bitcast %struct.A* %this to %struct.B*
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call void @_ZN1BD1Ev(%struct.B* %t)
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ret void
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}
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declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*)
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define linkonce_odr void @_ZN1BD1Ev(%struct.B* %this) nounwind align 2 {
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ret void
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}
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define internal void @_GLOBAL__I_a() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" {
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call void @__cxx_global_var_init()
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ret void
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}
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