1; RUN: opt < %s -passes=globalopt -S | FileCheck %s 2 3; Test the evaluation of a load via a bitcast and a store via a GEP. 4; Check that globals are constant folded to the correct value. 5 6; CHECK: @u = dso_local local_unnamed_addr global %union.A { ptr inttoptr (i64 12345 to ptr) }, align 8 7; CHECK: @l = dso_local local_unnamed_addr global i64 12345, align 8 8 9target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 10target triple = "x86_64-unknown-linux-gnu" 11 12%union.A = type { ptr } 13 14$_ZN1AC2Ex = comdat any 15 16@u = dso_local global %union.A zeroinitializer, align 8 17@l = dso_local global i64 0, align 8 18@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_test.cpp, ptr null }] 19 20define internal void @__cxx_global_var_init() section ".text.startup" { 21 call void @_ZN1AC2Ex(ptr @u, i64 12345) 22 ret void 23} 24 25define linkonce_odr dso_local void @_ZN1AC2Ex(ptr %this, i64 %ll) unnamed_addr comdat align 2 { 26 %l = inttoptr i64 %ll to ptr 27 store ptr %l, ptr %this 28 ret void 29} 30 31define internal void @__cxx_global_var_init.1() section ".text.startup" { 32 %1 = load i64, ptr @u, align 8 33 store i64 %1, ptr @l, align 8 34 ret void 35} 36 37define internal void @_GLOBAL__sub_I_test.cpp() section ".text.startup" { 38 call void @__cxx_global_var_init() 39 call void @__cxx_global_var_init.1() 40 ret void 41} 42