2003-04-24-MultipleIdenticalSuccessors.ll 432 B

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  1. ; Mem2reg used to only add one incoming value to a PHI node, even if it had
  2. ; multiple incoming edges from a block.
  3. ;
  4. ; RUN: opt < %s -mem2reg -disable-output
  5. define i32 @test(i1 %c1, i1 %c2) {
  6. %X = alloca i32 ; <i32*> [#uses=2]
  7. br i1 %c1, label %Exit, label %B2
  8. B2: ; preds = %0
  9. store i32 2, i32* %X
  10. br i1 %c2, label %Exit, label %Exit
  11. Exit: ; preds = %B2, %B2, %0
  12. %Y = load i32, i32* %X ; <i32> [#uses=1]
  13. ret i32 %Y
  14. }