apint-div2.ll 529 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 <= 1024.
  3. ;
  4. ; RUN: opt < %s -instcombine -S | not grep div
  5. define i333 @test1(i333 %X) {
  6. %Y = udiv i333 %X, 70368744177664
  7. ret i333 %Y
  8. }
  9. define i499 @test2(i499 %X) {
  10. %tmp.0 = shl i499 4096, 197
  11. %Y = udiv i499 %X, %tmp.0
  12. ret i499 %Y
  13. }
  14. define i599 @test3(i599 %X, i1 %C) {
  15. %V = select i1 %C, i599 70368744177664, i599 4096
  16. %R = udiv i599 %X, %V
  17. ret i599 %R
  18. }