powof2div.ll 1.7 KB

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  1. ; RUN: opt < %s -basicaa -slp-vectorizer -S -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7-avx | FileCheck %s
  2. target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
  3. target triple = "x86_64-unknown-linux-gnu"
  4. ;CHECK-LABEL: @powof2div(
  5. ;CHECK: load <4 x i32>, <4 x i32>*
  6. ;CHECK: add nsw <4 x i32>
  7. ;CHECK: sdiv <4 x i32>
  8. define void @powof2div(i32* noalias nocapture %a, i32* noalias nocapture readonly %b, i32* noalias nocapture readonly %c){
  9. entry:
  10. %0 = load i32, i32* %b, align 4
  11. %1 = load i32, i32* %c, align 4
  12. %add = add nsw i32 %1, %0
  13. %div = sdiv i32 %add, 2
  14. store i32 %div, i32* %a, align 4
  15. %arrayidx3 = getelementptr inbounds i32, i32* %b, i64 1
  16. %2 = load i32, i32* %arrayidx3, align 4
  17. %arrayidx4 = getelementptr inbounds i32, i32* %c, i64 1
  18. %3 = load i32, i32* %arrayidx4, align 4
  19. %add5 = add nsw i32 %3, %2
  20. %div6 = sdiv i32 %add5, 2
  21. %arrayidx7 = getelementptr inbounds i32, i32* %a, i64 1
  22. store i32 %div6, i32* %arrayidx7, align 4
  23. %arrayidx8 = getelementptr inbounds i32, i32* %b, i64 2
  24. %4 = load i32, i32* %arrayidx8, align 4
  25. %arrayidx9 = getelementptr inbounds i32, i32* %c, i64 2
  26. %5 = load i32, i32* %arrayidx9, align 4
  27. %add10 = add nsw i32 %5, %4
  28. %div11 = sdiv i32 %add10, 2
  29. %arrayidx12 = getelementptr inbounds i32, i32* %a, i64 2
  30. store i32 %div11, i32* %arrayidx12, align 4
  31. %arrayidx13 = getelementptr inbounds i32, i32* %b, i64 3
  32. %6 = load i32, i32* %arrayidx13, align 4
  33. %arrayidx14 = getelementptr inbounds i32, i32* %c, i64 3
  34. %7 = load i32, i32* %arrayidx14, align 4
  35. %add15 = add nsw i32 %7, %6
  36. %div16 = sdiv i32 %add15, 2
  37. %arrayidx17 = getelementptr inbounds i32, i32* %a, i64 3
  38. store i32 %div16, i32* %arrayidx17, align 4
  39. ret void
  40. }