apint-div1.ll 493 B

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  1. ; This test makes sure that div instructions are properly eliminated.
  2. ; This test is for Integer BitWidth < 64 && BitWidth % 2 != 0.
  3. ;
  4. ; RUN: opt < %s -instcombine -S | not grep div
  5. define i33 @test1(i33 %X) {
  6. %Y = udiv i33 %X, 4096
  7. ret i33 %Y
  8. }
  9. define i49 @test2(i49 %X) {
  10. %tmp.0 = shl i49 4096, 17
  11. %Y = udiv i49 %X, %tmp.0
  12. ret i49 %Y
  13. }
  14. define i59 @test3(i59 %X, i1 %C) {
  15. %V = select i1 %C, i59 1024, i59 4096
  16. %R = udiv i59 %X, %V
  17. ret i59 %R
  18. }