Dan Gohman | 3c7d308 | 2009-09-11 18:01:28 +0000 | [diff] [blame^] | 1 | ; RUN: opt < %s -indvars -S > %t |
Dan Gohman | ebac254 | 2009-02-23 23:20:35 +0000 | [diff] [blame] | 2 | ; RUN: not grep sext %t |
Dan Gohman | a5d3801 | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 3 | ; RUN: grep phi %t | count 1 |
Dan Gohman | a5d3801 | 2009-02-18 17:22:41 +0000 | [diff] [blame] | 4 | |
| 5 | define void @foo(i64* nocapture %x, i32 %n) nounwind { |
| 6 | entry: |
| 7 | %tmp102 = icmp sgt i32 %n, 0 ; <i1> [#uses=1] |
| 8 | br i1 %tmp102, label %bb.nph, label %return |
| 9 | |
| 10 | bb.nph: ; preds = %entry |
| 11 | br label %bb |
| 12 | |
| 13 | bb: ; preds = %bb7, %bb.nph |
| 14 | %i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ] ; <i32> [#uses=3] |
| 15 | %tmp1 = sext i32 %i.01 to i64 ; <i64> [#uses=1] |
| 16 | %tmp4 = getelementptr i64* %x, i32 %i.01 ; <i64*> [#uses=1] |
| 17 | store i64 %tmp1, i64* %tmp4, align 8 |
| 18 | %tmp6 = add i32 %i.01, 1 ; <i32> [#uses=2] |
| 19 | br label %bb7 |
| 20 | |
| 21 | bb7: ; preds = %bb |
| 22 | %tmp10 = icmp slt i32 %tmp6, %n ; <i1> [#uses=1] |
| 23 | br i1 %tmp10, label %bb, label %bb7.return_crit_edge |
| 24 | |
| 25 | bb7.return_crit_edge: ; preds = %bb7 |
| 26 | br label %return |
| 27 | |
| 28 | return: ; preds = %bb7.return_crit_edge, %entry |
| 29 | ret void |
| 30 | } |