; RUN: opt < %s -loop-vectorize -dce -force-vector-interleave=1 -force-vector-width=4 ; Check that we don't crash. target datalayout = "e-p:64:64:64-S128-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f16:16:16-f32:32:32-f64:64:64-f128:128:128-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" target triple = "x86_64-unknown-linux-gnu" module asm "\09.ident\09\22GCC: (GNU) 4.6.3 LLVM: 3.2svn\22" @b = common global [32000 x float] zeroinitializer, align 16 define i32 @set1ds(i32 %_n, float* nocapture %arr, float %value, i32 %stride) nounwind uwtable { entry: %0 = icmp sgt i32 %_n, 0 br i1 %0, label %"3.lr.ph", label %"5" "3.lr.ph": ; preds = %entry %1 = bitcast float* %arr to i8* %2 = sext i32 %stride to i64 br label %"3" "3": ; preds = %"3.lr.ph", %"3" %indvars.iv = phi i64 [ 0, %"3.lr.ph" ], [ %indvars.iv.next, %"3" ] %3 = shl nsw i64 %indvars.iv, 2 %4 = getelementptr inbounds i8, i8* %1, i64 %3 %5 = bitcast i8* %4 to float* store float %value, float* %5, align 4 %indvars.iv.next = add i64 %indvars.iv, %2 %6 = trunc i64 %indvars.iv.next to i32 %7 = icmp slt i32 %6, %_n br i1 %7, label %"3", label %"5" "5": ; preds = %"3", %entry ret i32 0 } define i32 @init(i8* nocapture %name) unnamed_addr nounwind uwtable { entry: br label %"3" "3": ; preds = %"3", %entry %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %"3" ] %0 = shl nsw i64 %indvars.iv, 2 %1 = getelementptr inbounds i8, i8* bitcast (float* getelementptr inbounds ([32000 x float], [32000 x float]* @b, i64 0, i64 16000) to i8*), i64 %0 %2 = bitcast i8* %1 to float* store float -1.000000e+00, float* %2, align 4 %indvars.iv.next = add i64 %indvars.iv, 1 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 %exitcond = icmp eq i32 %lftr.wideiv, 16000 br i1 %exitcond, label %"5", label %"3" "5": ; preds = %"3" ret i32 0 }