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- ; RUN: opt < %s -S -loop-rotate -disable-output -verify-loop-info -verify-dom-info
- ; PR5502
- define void @z80_do_opcodes() nounwind {
- entry:
- br label %while.cond
- while.cond: ; preds = %end_opcode, %entry
- br label %while.body
- while.body: ; preds = %while.cond
- br label %indirectgoto
- run_opcode: ; preds = %indirectgoto
- %tmp276 = load i8, i8* undef ; <i8> [#uses=1]
- br label %indirectgoto
- if.else295: ; preds = %divide_late
- br label %end_opcode
- end_opcode: ; preds = %indirectgoto, %sw.default42406, %sw.default, %if.else295
- %opcode.2 = phi i8 [ %opcode.0, %indirectgoto ], [ 0, %sw.default42406 ], [ undef, %sw.default ], [ %opcode.0, %if.else295 ] ; <i8> [#uses=0]
- switch i32 undef, label %while.cond [
- i32 221, label %sw.bb11691
- i32 253, label %sw.bb30351
- ]
- sw.bb11691: ; preds = %end_opcode
- br label %sw.default
- sw.default: ; preds = %sw.bb11691
- br label %end_opcode
- sw.bb30351: ; preds = %end_opcode
- br label %sw.default42406
- sw.default42406: ; preds = %sw.bb30351
- br label %end_opcode
- indirectgoto: ; preds = %run_opcode, %while.body
- %opcode.0 = phi i8 [ undef, %while.body ], [ %tmp276, %run_opcode ] ; <i8> [#uses=2]
- indirectbr i8* undef, [label %run_opcode, label %if.else295, label %end_opcode]
- }
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