xref: /llvm-project/llvm/test/Transforms/GlobalOpt/storepointer-no-null-opt.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6) 
1; RUN: opt < %s -passes=globalopt -S | FileCheck %s
2
3@G = internal global ptr null              ; <ptr> [#uses=2]
4; CHECK: global
5
6define internal void @Actual() {
7; CHECK-LABEL: Actual(
8        ret void
9}
10
11define void @init() {
12; CHECK-LABEL: init(
13; CHECK:  store ptr @Actual, ptr @G
14        store ptr @Actual, ptr @G
15        ret void
16}
17
18define void @doit() #0 {
19; CHECK-LABEL: doit(
20; CHECK: %FP = load ptr, ptr @G
21; CHECK: call void %FP()
22        %FP = load ptr, ptr @G         ; <ptr> [#uses=1]
23        call void %FP( )
24        ret void
25}
26
27attributes #0 = { null_pointer_is_valid }
28