File: dropped_constructor.ll

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llvm-toolchain-20 1%3A20.1.6-1~exp1
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; Test to ensure that a global value that was dropped to a declaration
; (e.g. ThinLTO will drop non-prevailing weak to declarations) does not
; provoke creation of a comdat when it had an initializer.
; RUN: llc -mtriple x86_64-unknown-linux-gnu < %s | FileCheck %s
; CHECK-NOT: comdat

; ModuleID = 'dropped_constructor.o'
source_filename = "dropped_constructor.c"
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@fv = external global i8, align 8
@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @__cxx_global_var_init.33, ptr @fv }]

; Function Attrs: norecurse nounwind
define internal void @__cxx_global_var_init.33() section ".text.startup" {
  store i8 1, ptr @fv, align 8
  ret void
}