List of lastUseIndex() Examples

        if (pos+1 >= lambdaForm.names.length)  return false;
        Name name0 = lambdaForm.names[pos];
        Name name1 = lambdaForm.names[pos+1];
        return nameRefersTo(name0, MethodHandleImpl.class, "selectAlternative") &&
               isInvokeBasic(name1) &&
               name1.lastUseIndex(name0) == 0 &&        // t_{n+1}:?=MethodHandle.invokeBasic(t_{n}, ...)
               lambdaForm.lastUseIndex(name0) == pos+1; // t_{n} is local: used only in t_{n+1}
    }


    /**
     * Check if i-th name is a start of GuardWithCatch idiom.

Examples of java.lang.invoke.LambdaForm.Name.lastUseIndex()

        return nameRefersTo(name1, MethodHandleImpl.class, "guardWithCatch") &&
               isInvokeBasic(name0) &&
               isInvokeBasic(name2) &&
               name1.lastUseIndex(name0) == 3 &&          // t_{n+1}:L=MethodHandleImpl.guardWithCatch(*, *, *, t_{n});
               lambdaForm.lastUseIndex(name0) == pos+1 && // t_{n} is local: used only in t_{n+1}
               name2.lastUseIndex(name1) == 1 &&          // t_{n+2}:?=MethodHandle.invokeBasic(t_{n+1})
               lambdaForm.lastUseIndex(name1) == pos+2;   // t_{n+1} is local: used only in t_{n+2}
    }


    /**
     * Emit bytecode for the selectAlternative idiom.

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Examples of lastUseIndex()

Examples of java.lang.invoke.LambdaForm.Name.lastUseIndex()

Examples of java.lang.invoke.LambdaForm.Name.lastUseIndex()