test/ScopDetect/expand-region-correctly.ll

   1 ; RUN: opt %loadPolly -polly-detect \
   2 ; RUN:     -analyze < %s | FileCheck %s
   3
   4 ; CHECK: Valid Region for Scop: if.end.1631 => for.cond.1647.outer
   5
   6 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
   7
   8 define void @qtm_decompress() {
   9 entry:
  10   br label %while.cond.outer.outer
  11
  12 while.cond.outer.outer:                           ; preds = %entry
  13   br label %if.end.1631
  14
  15 if.end.1631:                                      ; preds = %do.end.1721, %while.cond.outer.outer
  16   br i1 false, label %for.cond.1647.preheader, label %if.then.1635
  17
  18 if.then.1635:                                     ; preds = %if.end.1631
  19   br label %for.cond.1647.preheader
  20
  21 for.cond.1647.preheader:                          ; preds = %if.then.1635, %if.end.1631
  22   br label %for.cond.1647.outer
  23
  24 for.cond.1647.outer:                              ; preds = %do.end.1685, %for.cond.1647.preheader
  25   %bits_needed.5.ph = phi i8 [ 8, %for.cond.1647.preheader ], [ 0, %do.end.1685 ]
  26   br label %for.cond.1647
  27
  28 for.cond.1647:                                    ; preds = %do.cond.1718, %for.cond.1647.outer
  29   br i1 undef, label %do.cond.1718, label %if.then.1659
  30
  31 if.then.1659:                                     ; preds = %for.cond.1647
  32   br i1 false, label %do.end.1685, label %if.then.1662
  33
  34 if.then.1662:                                     ; preds = %if.then.1659
  35   unreachable
  36
  37 do.end.1685:                                      ; preds = %if.then.1659
  38   br label %for.cond.1647.outer
  39
  40 do.cond.1718:                                     ; preds = %for.cond.1647
  41   br i1 false, label %do.end.1721, label %for.cond.1647
  42
  43 do.end.1721:                                      ; preds = %do.cond.1718
  44   br label %if.end.1631
  45 }