| Nadav Rotem | 30a65bc | 2013-01-09 01:20:59 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-vectorize -force-vector-unroll=1 -force-vector-width=4 -dce -instcombine -S | FileCheck %s |
| Nadav Rotem | e266efb | 2012-12-11 18:58:10 +0000 | [diff] [blame] | 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 | |
| Stephen Lin | c1c7a13 | 2013-07-14 01:42:54 +0000 | [diff] [blame^] | 10 | ;CHECK-LABEL: @example12( |
| Nadav Rotem | e266efb | 2012-12-11 18:58:10 +0000 | [diff] [blame] | 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 | |