cast-induction.ll 1.1 KB

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  1. ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s
  2. ; rdar://problem/12848162
  3. target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
  4. target triple = "x86_64-apple-macosx10.8.0"
  5. @a = common global [2048 x i32] zeroinitializer, align 16
  6. ;CHECK-LABEL: @example12(
  7. ;CHECK: trunc i64
  8. ;CHECK: store <4 x i32>
  9. ;CHECK: ret void
  10. define void @example12() nounwind uwtable ssp {
  11. br label %1
  12. ; <label>:1 ; preds = %1, %0
  13. %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ]
  14. %2 = getelementptr inbounds [2048 x i32], [2048 x i32]* @a, i64 0, i64 %indvars.iv
  15. %3 = trunc i64 %indvars.iv to i32
  16. store i32 %3, i32* %2, align 4
  17. %indvars.iv.next = add i64 %indvars.iv, 1
  18. %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  19. %exitcond = icmp eq i32 %lftr.wideiv, 1024
  20. br i1 %exitcond, label %4, label %1
  21. ; <label>:4 ; preds = %1
  22. ret void
  23. }