| Devang Patel | b0f72f3 | 2008-07-09 00:12:01 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | opt -loop-index-split -stats -disable-output | not grep "1 loop-index-split" |
| 2 | ; PR 2487 |
| 3 | @g_6 = external global i32 ; <i32*> [#uses=1] |
| 4 | |
| 5 | define void @func_1() nounwind { |
| 6 | entry: |
| 7 | br label %bb |
| 8 | |
| 9 | bb: ; preds = %bb4, %entry |
| 10 | %l_3.0 = phi i8 [ 0, %entry ], [ %tmp6, %bb4 ] ; <i8> [#uses=2] |
| 11 | %tmp1 = icmp eq i8 %l_3.0, 0 ; <i1> [#uses=1] |
| 12 | br i1 %tmp1, label %bb3, label %bb4 |
| 13 | |
| 14 | bb3: ; preds = %bb |
| 15 | store i32 1, i32* @g_6, align 4 |
| 16 | br label %bb4 |
| 17 | |
| 18 | bb4: ; preds = %bb3, %bb |
| 19 | %tmp6 = add i8 %l_3.0, 1 ; <i8> [#uses=2] |
| 20 | %tmp9 = icmp sgt i8 %tmp6, -1 ; <i1> [#uses=1] |
| 21 | br i1 %tmp9, label %bb, label %return |
| 22 | |
| 23 | return: ; preds = %bb4 |
| 24 | ret void |
| 25 | } |