test/Transforms/GlobalOpt/trivialstore.ll


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19

; RUN: opt < %s -globalopt -S | not grep G

@G = internal global i32 17             ; <i32*> [#uses=3]

define void @foo() {
        store i32 17, i32* @G
        ret void
}

define i32 @bar() {
        %X = load i32, i32* @G               ; <i32> [#uses=1]
        ret i32 %X
}

define internal void @dead() {
        store i32 123, i32* @G
        ret void
}