| ; RUN: opt -passes=deadargelim -S < %s | FileCheck %s |
| |
| ; If caller is changed to pass in poison, noundef, dereferenceable and other |
| ; attributes that imply immediate undefined behavior must be deleted. |
| ; Other attributes like nonnull, which only imply poison, can be safely kept. |
| |
| ; CHECK: define i64 @bar(ptr nonnull %0, i64 %1) |
| define i64 @bar(ptr nonnull dereferenceable(8) %0, i64 %1) { |
| entry: |
| %2 = add i64 %1, 8 |
| ret i64 %2 |
| } |
| |
| define i64 @foo(ptr %p, i64 %v) { |
| ; CHECK: %retval = call i64 @bar(ptr nonnull poison, i64 %v) |
| %retval = call i64 @bar(ptr nonnull dereferenceable(8) %p, i64 %v) |
| ret i64 %retval |
| } |
