2007-06-06-AshrSignBit.ll 646 B

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  1. ; RUN: opt < %s -instcombine -S | grep "ashr"
  2. ; PR1499
  3. define void @av_cmp_q_cond_true(i32* %retval, i32* %tmp9, i64* %tmp10) {
  4. newFuncRoot:
  5. br label %cond_true
  6. return.exitStub: ; preds = %cond_true
  7. ret void
  8. cond_true: ; preds = %newFuncRoot
  9. %tmp30 = load i64, i64* %tmp10 ; <i64> [#uses=1]
  10. %.cast = zext i32 63 to i64 ; <i64> [#uses=1]
  11. %tmp31 = ashr i64 %tmp30, %.cast ; <i64> [#uses=1]
  12. %tmp3132 = trunc i64 %tmp31 to i32 ; <i32> [#uses=1]
  13. %tmp33 = or i32 %tmp3132, 1 ; <i32> [#uses=1]
  14. store i32 %tmp33, i32* %tmp9
  15. %tmp34 = load i32, i32* %tmp9 ; <i32> [#uses=1]
  16. store i32 %tmp34, i32* %retval
  17. br label %return.exitStub
  18. }