| Dan Gohman | f2f6ce6 | 2009-09-11 18:01:28 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -analyze -scalar-evolution 2>/dev/null |
| Nick Lewycky | 6f8abf9 | 2008-06-13 04:38:55 +0000 | [diff] [blame] | 2 | ; PR2433 |
| 3 | |
| 4 | define i32 @main1(i32 %argc, i8** %argv) nounwind { |
| 5 | entry: |
| 6 | br i1 false, label %bb10, label %bb23 |
| 7 | |
| 8 | bb10: ; preds = %bb10, %entry |
| 9 | %accum.03 = phi i64 [ %tmp14, %bb10 ], [ 0, %entry ] ; <i64> [#uses=1] |
| 10 | %i.02 = phi i32 [ %tmp16, %bb10 ], [ 0, %entry ] ; <i32> [#uses=1] |
| 11 | %d.1.01 = phi i64 [ %tmp5.i, %bb10 ], [ 0, %entry ] ; <i64> [#uses=1] |
| 12 | %tmp5.i = add i64 %d.1.01, 1 ; <i64> [#uses=2] |
| 13 | %tmp14 = add i64 %accum.03, %tmp5.i ; <i64> [#uses=2] |
| 14 | %tmp16 = add i32 %i.02, 1 ; <i32> [#uses=2] |
| 15 | %tmp20 = icmp slt i32 %tmp16, 0 ; <i1> [#uses=1] |
| 16 | br i1 %tmp20, label %bb10, label %bb23 |
| 17 | |
| 18 | bb23: ; preds = %bb10, %entry |
| 19 | %accum.0.lcssa = phi i64 [ 0, %entry ], [ %tmp14, %bb10 ] ; <i64> [#uses=0] |
| 20 | ret i32 0 |
| 21 | } |
| 22 | |
| 23 | define i32 @main2(i32 %argc, i8** %argv) { |
| 24 | entry: |
| 25 | %tmp8 = tail call i32 @atoi( i8* null ) nounwind readonly ; <i32> [#uses=1] |
| 26 | br i1 false, label %bb9, label %bb21 |
| 27 | |
| 28 | bb9: ; preds = %bb9, %entry |
| 29 | %accum.03 = phi i64 [ %tmp12, %bb9 ], [ 0, %entry ] ; <i64> [#uses=1] |
| 30 | %i.02 = phi i32 [ %tmp14, %bb9 ], [ 0, %entry ] ; <i32> [#uses=1] |
| 31 | %d.1.01 = phi i64 [ %tmp4.i, %bb9 ], [ 0, %entry ] ; <i64> [#uses=1] |
| 32 | %tmp4.i = add i64 %d.1.01, 1 ; <i64> [#uses=2] |
| 33 | %tmp12 = add i64 %accum.03, %tmp4.i ; <i64> [#uses=2] |
| 34 | %tmp14 = add i32 %i.02, 1 ; <i32> [#uses=2] |
| 35 | %tmp18 = icmp slt i32 %tmp14, %tmp8 ; <i1> [#uses=1] |
| 36 | br i1 %tmp18, label %bb9, label %bb21 |
| 37 | |
| 38 | bb21: ; preds = %bb9, %entry |
| 39 | %accum.0.lcssa = phi i64 [ 0, %entry ], [ %tmp12, %bb9 ] ; <i64> [#uses=0] |
| 40 | ret i32 0 |
| 41 | } |
| 42 | |
| 43 | declare i32 @atoi(i8*) nounwind readonly |