1 ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s 2 3 ; rdar://problem/12848162 4 5 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" 6 target triple = "x86_64-apple-macosx10.8.0" 7 8 @a = common global [2048 x i32] zeroinitializer, align 16 9 10 ;CHECK-LABEL: @example12( 11 ;CHECK: trunc i64 12 ;CHECK: store <4 x i32> 13 ;CHECK: ret void 14 define void @example12() nounwind uwtable ssp { 15 br label %1 16 17 ; <label>:1 ; preds = %1, %0 18 %indvars.iv = phi i64 [ 0, %0 ], [ %indvars.iv.next, %1 ] 19 %2 = getelementptr inbounds [2048 x i32]* @a, i64 0, i64 %indvars.iv 20 %3 = trunc i64 %indvars.iv to i32 21 store i32 %3, i32* %2, align 4 22 %indvars.iv.next = add i64 %indvars.iv, 1 23 %lftr.wideiv = trunc i64 %indvars.iv.next to i32 24 %exitcond = icmp eq i32 %lftr.wideiv, 1024 25 br i1 %exitcond, label %4, label %1 26 27 ; <label>:4 ; preds = %1 28 ret void 29 } 30 31