2003-02-27-StoreSinkPHIs.ll 329 B

123456789101112131415
  1. ; LICM is adding stores before phi nodes. bad.
  2. ; RUN: opt < %s -licm
  3. define i1 @test(i1 %c) {
  4. ; <label>:0
  5. br i1 %c, label %Loop, label %Out
  6. Loop: ; preds = %Loop, %0
  7. store i32 0, i32* null
  8. br i1 %c, label %Loop, label %Out
  9. Out: ; preds = %Loop, %0
  10. %X = phi i1 [ %c, %0 ], [ true, %Loop ] ; <i1> [#uses=1]
  11. ret i1 %X
  12. }