1 ; RUN: opt < %s -loop-vectorize -dce -force-vector-unroll=1 -force-vector-width=4 2 3 ; Check that we don't crash. 4 5 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" 6 target triple = "x86_64-unknown-linux-gnu" 7 8 module asm "\09.ident\09\22GCC: (GNU) 4.6.3 LLVM: 3.2svn\22" 9 10 @b = common global [32000 x float] zeroinitializer, align 16 11 12 define i32 @set1ds(i32 %_n, float* nocapture %arr, float %value, i32 %stride) nounwind uwtable { 13 entry: 14 %0 = icmp sgt i32 %_n, 0 15 br i1 %0, label %"3.lr.ph", label %"5" 16 17 "3.lr.ph": ; preds = %entry 18 %1 = bitcast float* %arr to i8* 19 %2 = sext i32 %stride to i64 20 br label %"3" 21 22 "3": ; preds = %"3.lr.ph", %"3" 23 %indvars.iv = phi i64 [ 0, %"3.lr.ph" ], [ %indvars.iv.next, %"3" ] 24 %3 = shl nsw i64 %indvars.iv, 2 25 %4 = getelementptr inbounds i8* %1, i64 %3 26 %5 = bitcast i8* %4 to float* 27 store float %value, float* %5, align 4 28 %indvars.iv.next = add i64 %indvars.iv, %2 29 %6 = trunc i64 %indvars.iv.next to i32 30 %7 = icmp slt i32 %6, %_n 31 br i1 %7, label %"3", label %"5" 32 33 "5": ; preds = %"3", %entry 34 ret i32 0 35 } 36 37 define i32 @init(i8* nocapture %name) unnamed_addr nounwind uwtable { 38 entry: 39 br label %"3" 40 41 "3": ; preds = %"3", %entry 42 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %"3" ] 43 %0 = shl nsw i64 %indvars.iv, 2 44 %1 = getelementptr inbounds i8* bitcast (float* getelementptr inbounds ([32000 x float]* @b, i64 0, i64 16000) to i8*), i64 %0 45 %2 = bitcast i8* %1 to float* 46 store float -1.000000e+00, float* %2, align 4 47 %indvars.iv.next = add i64 %indvars.iv, 1 48 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 49 %exitcond = icmp eq i32 %lftr.wideiv, 16000 50 br i1 %exitcond, label %"5", label %"3" 51 52 "5": ; preds = %"3" 53 ret i32 0 54 } 55
