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