2009-07-02-MaskedIntVector.ll 758 B

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  1. ; RUN: opt < %s -instcombine | llvm-dis
  2. ; PR4495
  3. define i32 @test(i64 %test) {
  4. entry:
  5. %0 = bitcast <4 x i32> undef to <16 x i8> ; <<16 x i8>> [#uses=1]
  6. %t12 = shufflevector <16 x i8> %0, <16 x i8> zeroinitializer, <16 x i32> <i32 0, i32 16, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0, i32 0> ; <<16 x i8>> [#uses=1]
  7. %t11 = bitcast <16 x i8> %t12 to <2 x i64> ; <<2 x i64>> [#uses=1]
  8. %t9 = extractelement <2 x i64> %t11, i32 0 ; <i64> [#uses=1]
  9. %t10 = bitcast i64 %t9 to <2 x i32> ; <<2 x i32>> [#uses=1]
  10. %t7 = bitcast i64 %test to <2 x i32> ; <<2 x i32>> [#uses=1]
  11. %t6 = xor <2 x i32> %t10, %t7 ; <<2 x i32>> [#uses=1]
  12. %t1 = extractelement <2 x i32> %t6, i32 0 ; <i32> [#uses=1]
  13. ret i32 %t1
  14. }