xref: /llvm-project/llvm/test/Transforms/GlobalOpt/undef-init.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1; RUN: opt < %s -passes=globalopt -S | FileCheck %s
2; CHECK-NOT: store
3
4@llvm.global_ctors = appending global [1 x { i32, ptr, ptr }] [ { i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__I__Z3foov, ptr null } ]          ; <ptr> [#uses=0]
5@X.0 = internal global i32 undef                ; <ptr> [#uses=2]
6
7define i32 @_Z3foov() {
8entry:
9        %tmp.1 = load i32, ptr @X.0         ; <i32> [#uses=1]
10        ret i32 %tmp.1
11}
12
13define internal void @_GLOBAL__I__Z3foov() {
14entry:
15        store i32 1, ptr @X.0
16        ret void
17}
18