| ; RUN: opt %loadPolly -polly-detect -analyze < %s |
| |
| ; Verify that the scop detection does not crash on inputs with unreachable |
| ; blocks. Earlier we crashed when detecting error blocks. |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| ; Function Attrs: nounwind uwtable |
| define void @foo() { |
| entry: |
| br label %while.cond |
| |
| while.cond: ; preds = %for.end, %entry |
| br i1 false, label %for.end, label %while.end8 |
| |
| while.cond1: ; preds = %while.cond4 |
| br i1 undef, label %while.body3, label %for.inc |
| |
| while.body3: ; preds = %while.cond1 |
| br label %while.cond4 |
| |
| while.cond4: ; preds = %while.cond4, %while.body3 |
| br i1 undef, label %while.cond4, label %while.cond1 |
| |
| for.inc: ; preds = %while.cond1 |
| %conv = zext i16 undef to i32 |
| br label %for.end |
| |
| for.end: ; preds = %for.inc, %while.cond |
| %conv.sink = phi i32 [ %conv, %for.inc ], [ 0, %while.cond ] |
| br label %while.cond |
| |
| while.end8: ; preds = %while.cond |
| ret void |
| } |