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; RUN: opt < %s -passes=globalopt -S | FileCheck %s
; Test the evaluation of a load via a bitcast and a store via a GEP.
; Check that globals are constant folded to the correct value.
; CHECK: @u = dso_local local_unnamed_addr global %union.A { i8* inttoptr (i64 12345 to i8*) }, align 8
; CHECK: @l = dso_local local_unnamed_addr global i64 12345, align 8
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
%union.A = type { i8* }
$_ZN1AC2Ex = comdat any
@u = dso_local global %union.A zeroinitializer, align 8
@l = dso_local global i64 0, align 8
@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_test.cpp, i8* null }]
define internal void @__cxx_global_var_init() section ".text.startup" {
call void @_ZN1AC2Ex(%union.A* @u, i64 12345)
ret void
}
define linkonce_odr dso_local void @_ZN1AC2Ex(%union.A* %this, i64 %ll) unnamed_addr comdat align 2 {
%l = inttoptr i64 %ll to i8*
%p = getelementptr inbounds %union.A, %union.A* %this, i64 0, i32 0
store i8* %l, i8** %p
ret void
}
define internal void @__cxx_global_var_init.1() section ".text.startup" {
%1 = load i64, i64* bitcast (%union.A* @u to i64*), align 8
store i64 %1, i64* @l, align 8
ret void
}
define internal void @_GLOBAL__sub_I_test.cpp() section ".text.startup" {
call void @__cxx_global_var_init()
call void @__cxx_global_var_init.1()
ret void
}
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