1; RUN: opt -deadargelim -S < %s | FileCheck %s
2
3; If caller is changed to pass in undef, noundef, dereferenceable and other
4; attributes that imply immediate undefined behavior should be delete.
5; Other attributes like nonnull, which only imply poison, can be safely kept.
6
7; CHECK:   define i64 @bar(i64* nonnull %0, i64 %1)
8define i64 @bar(i64* nonnull dereferenceable(8) %0, i64 %1) {
9entry:
10  %2 = add i64 %1, 8
11  ret i64 %2
12}
13
14define i64 @foo(i64* %p, i64 %v) {
15; CHECK:   %retval = call i64 @bar(i64* nonnull undef, i64 %v)
16  %retval = call i64 @bar(i64* nonnull dereferenceable(8) %p, i64 %v)
17  ret i64 %retval
18}
19