zext-fold.ll 406 B

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  1. ; RUN: opt < %s -instcombine -S | grep "zext " | count 1
  2. ; PR1570
  3. define i32 @test2(float %X, float %Y) {
  4. entry:
  5. %tmp3 = fcmp uno float %X, %Y ; <i1> [#uses=1]
  6. %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1]
  7. %tmp = xor i8 %tmp34, 1 ; <i8> [#uses=1]
  8. %toBoolnot5 = zext i8 %tmp to i32 ; <i32> [#uses=1]
  9. ret i32 %toBoolnot5
  10. }