| 123456789101112131415161718192021222324 |
- ; RUN: opt -jump-threading -disable-output < %s
- ; PR9112
- ; This is actually a test for value tracking. Jump threading produces
- ; "%phi = phi i16" when it removes all edges leading to %unreachable.
- ; The .ll parser won't let us write that directly since it's invalid code.
- define void @func() nounwind {
- entry:
- br label %bb
- bb:
- br label %bb
- unreachable:
- %phi = phi i16 [ %add, %unreachable ], [ 0, %next ]
- %add = add i16 0, %phi
- %cmp = icmp slt i16 %phi, 0
- br i1 %cmp, label %unreachable, label %next
- next:
- br label %unreachable
- }
|
