src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/CompareCanonicalizerTest2.java
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package org.graalvm.compiler.core.test;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
import org.graalvm.compiler.phases.common.CanonicalizerPhase;
import org.junit.Test;
public class CompareCanonicalizerTest2 extends GraalCompilerTest {
@SuppressWarnings("unused") private static boolean sink;
private StructuredGraph getCanonicalizedGraph(String name) {
StructuredGraph graph = getRegularGraph(name);
new CanonicalizerPhase().apply(graph, getProviders());
return graph;
}
private StructuredGraph getRegularGraph(String name) {
StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
return graph;
}
@Test
public void test0() {
assertEquals(getCanonicalizedGraph("integerTestCanonicalization0"), getRegularGraph("integerTestCanonicalization0"));
}
public static void integerTestCanonicalization0(int a) {
sink = 1 < a + 1;
}
@Test
public void test1() {
assertEquals(getCanonicalizedGraph("integerTestCanonicalization1"), getRegularGraph("integerTestCanonicalization1"));
}
public static void integerTestCanonicalization1(int a) {
sink = a - 1 < -1;
}
@Test
public void test2() {
assertEquals(getCanonicalizedGraph("integerTestCanonicalization2a"), getCanonicalizedGraph("integerTestCanonicalization2Reference"));
assertEquals(getCanonicalizedGraph("integerTestCanonicalization2b"), getCanonicalizedGraph("integerTestCanonicalization2Reference"));
}
public static boolean integerTestCanonicalization2a(Object[] arr) {
return arr.length - 1 < 0;
}
public static boolean integerTestCanonicalization2b(Object[] arr) {
return arr.length < 1;
}
public static boolean integerTestCanonicalization2Reference(Object[] arr) {
return arr.length == 0;
}
@Test
public void test3() {
assertEquals(getCanonicalizedGraph("integerTestCanonicalization3"), getCanonicalizedGraph("integerTestCanonicalization3Reference"));
}
public static boolean integerTestCanonicalization3(Object[] arr) {
return ((long) (arr.length - 1)) - 1 < 0;
}
public static boolean integerTestCanonicalization3Reference(Object[] arr) {
return arr.length < 2;
}
}