1; RUN: opt %loadPolly -polly-detect -analyze < %s 2 3; Verify that the scop detection does not crash on inputs with unreachable 4; blocks. Earlier we crashed when detecting error blocks. 5 6target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-unknown-linux-gnu" 8 9; Function Attrs: nounwind uwtable 10define void @foo() { 11entry: 12 br label %while.cond 13 14while.cond: ; preds = %for.end, %entry 15 br i1 false, label %for.end, label %while.end8 16 17while.cond1: ; preds = %while.cond4 18 br i1 undef, label %while.body3, label %for.inc 19 20while.body3: ; preds = %while.cond1 21 br label %while.cond4 22 23while.cond4: ; preds = %while.cond4, %while.body3 24 br i1 undef, label %while.cond4, label %while.cond1 25 26for.inc: ; preds = %while.cond1 27 %conv = zext i16 undef to i32 28 br label %for.end 29 30for.end: ; preds = %for.inc, %while.cond 31 %conv.sink = phi i32 [ %conv, %for.inc ], [ 0, %while.cond ] 32 br label %while.cond 33 34while.end8: ; preds = %while.cond 35 ret void 36} 37