Examples of kilim.analysis.Value.merge()

kilim.analysis.Value.merge()
Produces a new value (if necessary), if the instructions are different or the types are different. The types are merged to form a least common upper bound, and the instruction sets are unioned. @param vb @return this if the result of the merge is no different, or the new value

import static kilim.Constants.*;


public class TestValue extends TestCase {
    public void testSameSiteMerge() {
        Value v = Value.make(10, D_STRING);
        v = v.merge(Value.make(20, D_OBJECT));
        Value oldV = v;
        for (int i = 0; i < 10; i++) {
            v = v.merge(Value.make(10, D_STRING));
        }
        assertSame(oldV, v);

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    public void testDifferentSitesMerge() {
        Value v1 = Value.make(2, D_INT);
        Value v2 = Value.make(3, D_INT);
        Value v3 = Value.make(5, D_INT);
        Value v = v1.merge(v2);
        v = v.merge(v3);
        assertTrue(v.getNumSites() == 3);
        int[] sites = v.getCreationSites();
        int prod = 1;
        for (int i = 0; i < 3; i++) {
            prod *= sites[i];

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