1 ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s 2 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 6 @array = common global [1024 x i32] zeroinitializer, align 16 7 8 ;CHECK-LABEL: @array_at_plus_one( 9 ;CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ] 10 ;CHECK: %vec.ind = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ %step.add, %vector.body ] 11 ;CHECK: %vec.ind1 = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, %vector.ph ], [ %step.add2, %vector.body ] 12 ;CHECK: add <4 x i64> %vec.ind, <i64 4, i64 4, i64 4, i64 4> 13 ;CHECK: add nsw <4 x i64> %vec.ind, <i64 12, i64 12, i64 12, i64 12> 14 ;CHECK: ret i32 15 define i32 @array_at_plus_one(i32 %n) nounwind uwtable ssp { 16 %1 = icmp sgt i32 %n, 0 17 br i1 %1, label %.lr.ph, label %._crit_edge 18 19 .lr.ph: ; preds = %0, %.lr.ph 20 %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ] 21 %2 = add nsw i64 %indvars.iv, 12 22 %3 = getelementptr inbounds [1024 x i32], [1024 x i32]* @array, i64 0, i64 %2 23 %4 = trunc i64 %indvars.iv to i32 24 store i32 %4, i32* %3, align 4 25 %indvars.iv.next = add i64 %indvars.iv, 1 26 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 27 %exitcond = icmp eq i32 %lftr.wideiv, %n 28 br i1 %exitcond, label %._crit_edge, label %.lr.ph 29 30 ._crit_edge: ; preds = %.lr.ph, %0 31 ret i32 undef 32 } 33
