1; RUN: opt < %s -basicaa -gvn -S | FileCheck %s
2
3; The input *.ll is obtained by manually annotating "invariant.load" to the
4; two loads. With "invariant.load" metadata, the second load is redundant.
5;
6; int foo(int *p, char *q) {
7;     *q = (char)*p;
8;     return *p + 1;
9; }
10
11define i32 @foo(i32* nocapture %p, i8* nocapture %q) {
12entry:
13  %0 = load i32, i32* %p, align 4, !invariant.load !3
14  %conv = trunc i32 %0 to i8
15  store i8 %conv, i8* %q, align 1
16  %1 = load i32, i32* %p, align 4, !invariant.load !3
17  %add = add nsw i32 %1, 1
18  ret i32 %add
19
20; CHECK: foo
21; CHECK: %0 = load i32, i32* %p
22; CHECK: store i8 %conv, i8* %q,
23; CHECK: %add = add nsw i32 %0, 1
24}
25
26!3 = !{}
27