| ; RUN: opt < %s -passes=loop-vectorize -force-vector-interleave=1 -force-vector-width=4 | |
| target datalayout = | |
| "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" | |
| define void @test(ptr %p, i1 %arg) { | |
| entry: | |
| br i1 %arg, label %while.end, label %while.body.lr.ph | |
| while.body.lr.ph: | |
| br label %while.body | |
| while.body: | |
| %it.sroa.0.091 = phi ptr [ %p, %while.body.lr.ph ], [ %incdec.ptr.i, %while.body ] | |
| %incdec.ptr.i = getelementptr inbounds i32, ptr %it.sroa.0.091, i64 1 | |
| %inc32 = add i32 poison, 1 ; <------------- Make sure we don't set NSW flags to the poison. | |
| %cmp.i11 = icmp eq ptr %incdec.ptr.i, poison | |
| br i1 %cmp.i11, label %while.end, label %while.body | |
| while.end: | |
| ret void | |
| } | |