1; RUN: opt < %s -passes=loop-vectorize,dce -force-vector-interleave=1 -force-vector-width=4 2 3; Check that we don't crash. 4 5target 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" 6 7module asm "\09.ident\09\22GCC: (GNU) 4.6.3 LLVM: 3.2svn\22" 8 9@b = common global [32000 x float] zeroinitializer, align 16 10 11define i32 @set1ds(i32 %_n, ptr nocapture %arr, float %value, i32 %stride) nounwind uwtable { 12entry: 13 %0 = icmp sgt i32 %_n, 0 14 br i1 %0, label %"3.lr.ph", label %"5" 15 16"3.lr.ph": ; preds = %entry 17 %1 = sext i32 %stride to i64 18 br label %"3" 19 20"3": ; preds = %"3.lr.ph", %"3" 21 %indvars.iv = phi i64 [ 0, %"3.lr.ph" ], [ %indvars.iv.next, %"3" ] 22 %2 = shl nsw i64 %indvars.iv, 2 23 %3 = getelementptr inbounds i8, ptr %arr, i64 %2 24 store float %value, ptr %3, align 4 25 %indvars.iv.next = add i64 %indvars.iv, %1 26 %4 = trunc i64 %indvars.iv.next to i32 27 %5 = icmp slt i32 %4, %_n 28 br i1 %5, label %"3", label %"5" 29 30"5": ; preds = %"3", %entry 31 ret i32 0 32} 33 34define i32 @init(ptr nocapture %name) unnamed_addr nounwind uwtable { 35entry: 36 br label %"3" 37 38"3": ; preds = %"3", %entry 39 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %"3" ] 40 %0 = shl nsw i64 %indvars.iv, 2 41 %1 = getelementptr inbounds i8, ptr getelementptr inbounds ([32000 x float], ptr @b, i64 0, i64 16000), i64 %0 42 store float -1.000000e+00, ptr %1, align 4 43 %indvars.iv.next = add i64 %indvars.iv, 1 44 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 45 %exitcond = icmp eq i32 %lftr.wideiv, 16000 46 br i1 %exitcond, label %"5", label %"3" 47 48"5": ; preds = %"3" 49 ret i32 0 50} 51