Examples with SsaMethod com.android.dx.ssa.SsaMethod used on opensource projects

Example 1 with SsaMethod

use of com.android.dx.ssa.SsaMethod in project buck by facebook.

the class SsaDumper method endParsingMember.

/** {@inheritDoc} */
@Override
public void endParsingMember(ByteArray bytes, int offset, String name, String descriptor, Member member) {
    if (!(member instanceof Method)) {
        return;
    }
    if (!shouldDumpMethod(name)) {
        return;
    }
    if ((member.getAccessFlags() & (AccessFlags.ACC_ABSTRACT | AccessFlags.ACC_NATIVE)) != 0) {
        return;
    }
    ConcreteMethod meth = new ConcreteMethod((Method) member, classFile, true, true);
    TranslationAdvice advice = DexTranslationAdvice.THE_ONE;
    RopMethod rmeth = Ropper.convert(meth, advice, classFile.getMethods());
    SsaMethod ssaMeth = null;
    boolean isStatic = AccessFlags.isStatic(meth.getAccessFlags());
    int paramWidth = computeParamWidth(meth, isStatic);
    if (args.ssaStep == null) {
        ssaMeth = Optimizer.debugNoRegisterAllocation(rmeth, paramWidth, isStatic, true, advice, EnumSet.allOf(Optimizer.OptionalStep.class));
    } else if ("edge-split".equals(args.ssaStep)) {
        ssaMeth = Optimizer.debugEdgeSplit(rmeth, paramWidth, isStatic, true, advice);
    } else if ("phi-placement".equals(args.ssaStep)) {
        ssaMeth = Optimizer.debugPhiPlacement(rmeth, paramWidth, isStatic, true, advice);
    } else if ("renaming".equals(args.ssaStep)) {
        ssaMeth = Optimizer.debugRenaming(rmeth, paramWidth, isStatic, true, advice);
    } else if ("dead-code".equals(args.ssaStep)) {
        ssaMeth = Optimizer.debugDeadCodeRemover(rmeth, paramWidth, isStatic, true, advice);
    }
    StringBuffer sb = new StringBuffer(2000);
    sb.append("first ");
    sb.append(Hex.u2(ssaMeth.blockIndexToRopLabel(ssaMeth.getEntryBlockIndex())));
    sb.append('\n');
    ArrayList<SsaBasicBlock> blocks = ssaMeth.getBlocks();
    ArrayList<SsaBasicBlock> sortedBlocks = (ArrayList<SsaBasicBlock>) blocks.clone();
    Collections.sort(sortedBlocks, SsaBasicBlock.LABEL_COMPARATOR);
    for (SsaBasicBlock block : sortedBlocks) {
        sb.append("block ").append(Hex.u2(block.getRopLabel())).append('\n');
        BitSet preds = block.getPredecessors();
        for (int i = preds.nextSetBit(0); i >= 0; i = preds.nextSetBit(i + 1)) {
            sb.append("  pred ");
            sb.append(Hex.u2(ssaMeth.blockIndexToRopLabel(i)));
            sb.append('\n');
        }
        sb.append("  live in:" + block.getLiveInRegs());
        sb.append("\n");
        for (SsaInsn insn : block.getInsns()) {
            sb.append("  ");
            sb.append(insn.toHuman());
            sb.append('\n');
        }
        if (block.getSuccessors().cardinality() == 0) {
            sb.append("  returns\n");
        } else {
            int primary = block.getPrimarySuccessorRopLabel();
            IntList succLabelList = block.getRopLabelSuccessorList();
            int szSuccLabels = succLabelList.size();
            for (int i = 0; i < szSuccLabels; i++) {
                sb.append("  next ");
                sb.append(Hex.u2(succLabelList.get(i)));
                if (szSuccLabels != 1 && primary == succLabelList.get(i)) {
                    sb.append(" *");
                }
                sb.append('\n');
            }
        }
        sb.append("  live out:" + block.getLiveOutRegs());
        sb.append("\n");
    }
    suppressDump = false;
    setAt(bytes, 0);
    parsed(bytes, 0, bytes.size(), sb.toString());
    suppressDump = true;
}