2008-06-13-InfiniteLoopStore.ll 606 B

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  1. ; RUN: opt < %s -instcombine -S | grep "store i32" | count 2
  2. @g_139 = global i32 0 ; <i32*> [#uses=2]
  3. define void @func_56(i32 %p_60) nounwind {
  4. entry:
  5. store i32 1, i32* @g_139, align 4
  6. %tmp1 = icmp ne i32 %p_60, 0 ; <i1> [#uses=1]
  7. %tmp12 = zext i1 %tmp1 to i8 ; <i8> [#uses=1]
  8. %toBool = icmp ne i8 %tmp12, 0 ; <i1> [#uses=1]
  9. br i1 %toBool, label %bb, label %return
  10. bb: ; preds = %bb, %entry
  11. store i32 1, i32* @g_139, align 4
  12. br label %bb
  13. return: ; preds = %entry
  14. ret void
  15. }