| Dan Gohman | 0379c26 | 2009-11-20 20:51:18 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -S -loop-rotate -disable-output -verify-loop-info -verify-dom-info |
| 2 | ; PR5502 |
| 3 | |
| 4 | define void @z80_do_opcodes() nounwind { |
| 5 | entry: |
| 6 | br label %while.cond |
| 7 | |
| 8 | while.cond: ; preds = %end_opcode, %entry |
| 9 | br label %while.body |
| 10 | |
| 11 | while.body: ; preds = %while.cond |
| 12 | br label %indirectgoto |
| 13 | |
| 14 | run_opcode: ; preds = %indirectgoto |
| 15 | %tmp276 = load i8* undef ; <i8> [#uses=1] |
| 16 | br label %indirectgoto |
| 17 | |
| 18 | if.else295: ; preds = %divide_late |
| 19 | br label %end_opcode |
| 20 | |
| 21 | end_opcode: ; preds = %indirectgoto, %sw.default42406, %sw.default, %if.else295 |
| 22 | %opcode.2 = phi i8 [ %opcode.0, %indirectgoto ], [ 0, %sw.default42406 ], [ undef, %sw.default ], [ %opcode.0, %if.else295 ] ; <i8> [#uses=0] |
| 23 | switch i32 undef, label %while.cond [ |
| 24 | i32 221, label %sw.bb11691 |
| 25 | i32 253, label %sw.bb30351 |
| 26 | ] |
| 27 | |
| 28 | sw.bb11691: ; preds = %end_opcode |
| 29 | br label %sw.default |
| 30 | |
| 31 | sw.default: ; preds = %sw.bb11691 |
| 32 | br label %end_opcode |
| 33 | |
| 34 | sw.bb30351: ; preds = %end_opcode |
| 35 | br label %sw.default42406 |
| 36 | |
| 37 | sw.default42406: ; preds = %sw.bb30351 |
| 38 | br label %end_opcode |
| 39 | |
| 40 | indirectgoto: ; preds = %run_opcode, %while.body |
| 41 | %opcode.0 = phi i8 [ undef, %while.body ], [ %tmp276, %run_opcode ] ; <i8> [#uses=2] |
| 42 | indirectbr i8* undef, [label %run_opcode, label %if.else295, label %end_opcode] |
| 43 | } |