/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
/**
* @test
* @bug 6998541
* @summary JSR 292 implement missing return-type conversion for OP_RETYPE_RAW
*
* @run main/othervm -Xbatch
* -XX:+UnlockDiagnosticVMOptions -XX:ScavengeRootsInCode=2
* -DTest6998541.N=100000 -DTest6998541.KIND=cast Test6998541
* @run main/othervm -Xbatch
* -XX:+UnlockDiagnosticVMOptions -XX:ScavengeRootsInCode=2
* -DTest6998541.N=100000 -DTest6998541.KIND=normal Test6998541
*/
import java.util.*;
import java.lang.invoke.*;
import static java.lang.invoke.MethodHandles.*;
public class Test6998541 {
private static final Class CLASS = Test6998541.class;
private static final String NAME = "identity";
private static final int N = Math.max(2, Integer.getInteger(CLASS.getSimpleName()+".N", 10000));
private static final String KIND = System.getProperty(CLASS.getSimpleName()+".KIND", "cast");
private static final int BITS = 0x00000201;
private static final boolean DO_CASTS = !KIND.equals("normal");
public static void main(String[] args) throws Throwable {
System.out.println("KIND="+KIND+" DO_CASTS="+DO_CASTS+" N="+N);
doboolean();
dobyte();
dochar();
doshort();
doint();
dolong();
dofloat();
dodouble();
dovoid();
}
private static void doboolean() throws Throwable {
for (int i = 0; i < N; i++) {
boolean2prim(false);
boolean2prim(true);
}
boolean2prim_invalid(true);
}
private static void dobyte() throws Throwable {
byte x = Byte.MIN_VALUE;
for (int i = 0; i < N; i++, x++)
byte2prim(x);
byte2prim_invalid(x);
}
private static void dochar() throws Throwable {
char x = Character.MIN_VALUE;
for (int i = 0; i < N; i++, x++)
char2prim(x);
char2prim_invalid(x);
}
private static void doshort() throws Throwable {
short x = Short.MIN_VALUE;
for (int i = 0; i < N; i++, x++)
short2prim(x);
short2prim_invalid(x);
}
private static void doint() throws Throwable {
int x = Integer.MIN_VALUE;
int D = Integer.MAX_VALUE / (N / 2) | BITS;
for (int i = 0; i < N; i++, x += D) {
int2prim(x);
}
int2prim_invalid(x);
}
private static void dolong() throws Throwable {
long x = Long.MIN_VALUE;
long D = Long.MAX_VALUE / ((long) (N / 2)) | BITS;
for (int i = 0; i < N; i++, x += D)
long2prim(x);
long2prim_invalid(x);
}
private static void dofloat() throws Throwable {
float x = Float.MIN_VALUE;
float D = Float.MAX_VALUE / ((float) (N / 2));
for (int i = 0; i < N; i++, x += D)
float2prim(x);
float2prim_invalid(x);
}
private static void dodouble() throws Throwable {
double x = Double.MIN_VALUE;
double D = Double.MAX_VALUE / ((double) (N / 2));
for (int i = 0; i < N; i++, x += D)
double2prim(x);
double2prim_invalid(x);
}
private static void dovoid() throws Throwable {
for (int i = 0; i < N; i++) {
void2prim(i);
}
void2prim_invalid(0);
// do the other direction here also:
for (int i = 0; i < N; i++) {
prim2void(i);
}
prim2void_invalid(0);
}
private static void assertEquals(Object o, Object o2) {
if (!o.equals(o2))
throw new AssertionError("expected: " + o + ", found: " + o2);
}
private static void fail() {
throw new AssertionError();
}
private final static MethodHandles.Lookup lookup = MethodHandles.lookup();
private static MethodHandle mh(Class ret, Class... args) {
try {
MethodType mt = MethodType.methodType(ret, args);
Class lookupRet = (args.length == 0 ? void.class : args[0]);
MethodHandle mh = lookup.findStatic(CLASS, NAME, mt.changeReturnType(lookupRet));
if (DO_CASTS)
return MethodHandles.explicitCastArguments(mh, mt);
if (canDoAsType(mh.type(), mt))
return mh.asType(mt);
try {
mh.asType(mt);
throw new AssertionError("asType should not succeed: "+mh+" => "+mt);
} catch (WrongMethodTypeException ex) {
// this was a required WMTE
return mh.asType(mt.generic()).asType(mt);
}
} catch (ReflectiveOperationException e) {
throw new RuntimeException(e);
}
}
private static final Class<?>[] NUMERIC_TYPE_WIDENING_ORDER = {
byte.class, short.class, int.class, long.class, float.class, double.class
};
private static boolean canDoAsType(Class<?> src, Class<?> dst) {
if (src == dst) return true;
if (dst == void.class) return true;
if (src == void.class) return true; // allow void->zero
if (!src.isPrimitive() || !dst.isPrimitive()) return true;
// primitive conversion works for asType only when it's widening
if (src == boolean.class || dst == boolean.class) return false;
if (dst == char.class) return false;
if (src == char.class) src = int.class; // can widen char to int
for (Class<?> ntype : NUMERIC_TYPE_WIDENING_ORDER) {
if (src == ntype) return true;
if (dst == ntype) return false;
}
throw new AssertionError("should not reach here: "+src+", "+dst);
}
private static boolean canDoAsType(MethodType mt0, MethodType mt1) {
Class<?> rt0 = mt0.returnType();
Class<?> rt1 = mt1.returnType();
if (!canDoAsType(rt0, rt1)) return false;
int argc = mt0.parameterCount();
if (argc != mt1.parameterCount()) return false;
for (int i = 0; i < argc; i++) {
if (!canDoAsType(mt1.parameterType(i), mt0.parameterType(i)))
return false;
}
return true;
}
private static MethodHandle mh_z(Class ret) { return mh(ret, boolean.class); }
private final static MethodHandle mh_zz = mh_z(boolean.class);
private final static MethodHandle mh_bz = mh_z(byte.class );
private final static MethodHandle mh_cz = mh_z(char.class );
private final static MethodHandle mh_sz = mh_z(short.class );
private final static MethodHandle mh_iz = mh_z(int.class );
private final static MethodHandle mh_jz = mh_z(long.class );
private final static MethodHandle mh_fz = mh_z(float.class );
private final static MethodHandle mh_dz = mh_z(double.class );
private static void boolean2prim(boolean x) throws Throwable {
int i = x ? 1 : 0;
assertEquals( x, (boolean) mh_zz.invokeExact(x)); // boolean -> boolean
if (!DO_CASTS) return;
assertEquals((byte) i, (byte) mh_bz.invokeExact(x)); // boolean -> byte
assertEquals((char) i, (char) mh_cz.invokeExact(x)); // boolean -> char
assertEquals((short) i, (short) mh_sz.invokeExact(x)); // boolean -> short
assertEquals((int) i, (int) mh_iz.invokeExact(x)); // boolean -> int
assertEquals((long) i, (long) mh_jz.invokeExact(x)); // boolean -> long
assertEquals((float) i, (float) mh_fz.invokeExact(x)); // boolean -> float
assertEquals((double) i, (double) mh_dz.invokeExact(x)); // boolean -> double
}
private static void boolean2prim_invalid(boolean x) throws Throwable {
if (DO_CASTS) return;
try { byte y = (byte) mh_bz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> byte
try { char y = (char) mh_cz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> char
try { short y = (short) mh_sz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> short
try { int y = (int) mh_iz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> int
try { long y = (long) mh_jz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> long
try { float y = (float) mh_fz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> float
try { double y = (double) mh_dz.invokeExact(x); fail(); } catch (ClassCastException _) {} // boolean -> double
}
private static MethodHandle mh_b(Class ret) { return mh(ret, byte.class); }
private final static MethodHandle mh_zb = mh_b(boolean.class);
private final static MethodHandle mh_bb = mh_b(byte.class );
private final static MethodHandle mh_cb = mh_b(char.class );
private final static MethodHandle mh_sb = mh_b(short.class );
private final static MethodHandle mh_ib = mh_b(int.class );
private final static MethodHandle mh_jb = mh_b(long.class );
private final static MethodHandle mh_fb = mh_b(float.class );
private final static MethodHandle mh_db = mh_b(double.class );
private static void byte2prim(byte x) throws Throwable {
assertEquals((byte) x, (byte) mh_bb.invokeExact(x)); // byte -> byte
assertEquals((short) x, (short) mh_sb.invokeExact(x)); // byte -> short
assertEquals((int) x, (int) mh_ib.invokeExact(x)); // byte -> int
assertEquals((long) x, (long) mh_jb.invokeExact(x)); // byte -> long
assertEquals((float) x, (float) mh_fb.invokeExact(x)); // byte -> float
assertEquals((double) x, (double) mh_db.invokeExact(x)); // byte -> double
if (!DO_CASTS) return;
boolean z = ((x & 1) != 0);
assertEquals((char) x, (char) mh_cb.invokeExact(x)); // byte -> char
assertEquals((boolean) z, (boolean) mh_zb.invokeExact(x)); // byte -> boolean
}
private static void byte2prim_invalid(byte x) throws Throwable {
if (DO_CASTS) return;
try { char y = (char) mh_cb.invokeExact(x); fail(); } catch (ClassCastException _) {} // byte -> char
try { boolean y = (boolean) mh_zb.invokeExact(x); fail(); } catch (ClassCastException _) {} // byte -> boolean
}
private static MethodHandle mh_c(Class ret) { return mh(ret, char.class); }
private final static MethodHandle mh_zc = mh_c(boolean.class);
private final static MethodHandle mh_bc = mh_c(byte.class );
private final static MethodHandle mh_cc = mh_c(char.class );
private final static MethodHandle mh_sc = mh_c(short.class );
private final static MethodHandle mh_ic = mh_c(int.class );
private final static MethodHandle mh_jc = mh_c(long.class );
private final static MethodHandle mh_fc = mh_c(float.class );
private final static MethodHandle mh_dc = mh_c(double.class );
private static void char2prim(char x) throws Throwable {
assertEquals((char) x, (char) mh_cc.invokeExact(x)); // char -> char
assertEquals((int) x, (int) mh_ic.invokeExact(x)); // char -> int
assertEquals((long) x, (long) mh_jc.invokeExact(x)); // char -> long
assertEquals((float) x, (float) mh_fc.invokeExact(x)); // char -> float
assertEquals((double) x, (double) mh_dc.invokeExact(x)); // char -> double
if (!DO_CASTS) return;
boolean z = ((x & 1) != 0);
assertEquals((boolean) z, (boolean) mh_zc.invokeExact(x)); // char -> boolean
assertEquals((byte) x, (byte) mh_bc.invokeExact(x)); // char -> byte
assertEquals((short) x, (short) mh_sc.invokeExact(x)); // char -> short
}
private static void char2prim_invalid(char x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zc.invokeExact(x); fail(); } catch (ClassCastException _) {} // char -> boolean
try { byte y = (byte) mh_bc.invokeExact(x); fail(); } catch (ClassCastException _) {} // char -> byte
try { short y = (short) mh_sc.invokeExact(x); fail(); } catch (ClassCastException _) {} // char -> short
}
private static MethodHandle mh_s(Class ret) { return mh(ret, short.class); }
private final static MethodHandle mh_zs = mh_s(boolean.class);
private final static MethodHandle mh_bs = mh_s(byte.class );
private final static MethodHandle mh_cs = mh_s(char.class );
private final static MethodHandle mh_ss = mh_s(short.class );
private final static MethodHandle mh_is = mh_s(int.class );
private final static MethodHandle mh_js = mh_s(long.class );
private final static MethodHandle mh_fs = mh_s(float.class );
private final static MethodHandle mh_ds = mh_s(double.class );
private static void short2prim(short x) throws Throwable {
assertEquals((short) x, (short) mh_ss.invokeExact(x)); // short -> short
assertEquals((int) x, (int) mh_is.invokeExact(x)); // short -> int
assertEquals((long) x, (long) mh_js.invokeExact(x)); // short -> long
assertEquals((float) x, (float) mh_fs.invokeExact(x)); // short -> float
assertEquals((double) x, (double) mh_ds.invokeExact(x)); // short -> double
if (!DO_CASTS) return;
boolean z = ((x & 1) != 0);
assertEquals((boolean) z, (boolean) mh_zs.invokeExact(x)); // short -> boolean
assertEquals((byte) x, (byte) mh_bs.invokeExact(x)); // short -> byte
assertEquals((char) x, (char) mh_cs.invokeExact(x)); // short -> char
}
private static void short2prim_invalid(short x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zs.invokeExact(x); fail(); } catch (ClassCastException _) {} // short -> boolean
try { byte y = (byte) mh_bs.invokeExact(x); fail(); } catch (ClassCastException _) {} // short -> byte
try { char y = (char) mh_cs.invokeExact(x); fail(); } catch (ClassCastException _) {} // short -> char
}
private static MethodHandle mh_i(Class ret) { return mh(ret, int.class); }
private final static MethodHandle mh_zi = mh_i(boolean.class);
private final static MethodHandle mh_bi = mh_i(byte.class );
private final static MethodHandle mh_ci = mh_i(char.class );
private final static MethodHandle mh_si = mh_i(short.class );
private final static MethodHandle mh_ii = mh_i(int.class );
private final static MethodHandle mh_ji = mh_i(long.class );
private final static MethodHandle mh_fi = mh_i(float.class );
private final static MethodHandle mh_di = mh_i(double.class );
private static void int2prim(int x) throws Throwable {
assertEquals((int) x, (int) mh_ii.invokeExact(x)); // int -> int
assertEquals((long) x, (long) mh_ji.invokeExact(x)); // int -> long
assertEquals((float) x, (float) mh_fi.invokeExact(x)); // int -> float
assertEquals((double) x, (double) mh_di.invokeExact(x)); // int -> double
if (!DO_CASTS) return;
boolean z = ((x & 1) != 0);
assertEquals((boolean) z, (boolean) mh_zi.invokeExact(x)); // int -> boolean
assertEquals((byte) x, (byte) mh_bi.invokeExact(x)); // int -> byte
assertEquals((char) x, (char) mh_ci.invokeExact(x)); // int -> char
assertEquals((short) x, (short) mh_si.invokeExact(x)); // int -> short
}
private static void int2prim_invalid(int x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zi.invokeExact(x); fail(); } catch (ClassCastException _) {} // int -> boolean
try { byte y = (byte) mh_bi.invokeExact(x); fail(); } catch (ClassCastException _) {} // int -> byte
try { char y = (char) mh_ci.invokeExact(x); fail(); } catch (ClassCastException _) {} // int -> char
try { short y = (short) mh_si.invokeExact(x); fail(); } catch (ClassCastException _) {} // int -> short
}
private static MethodHandle mh_j(Class ret) { return mh(ret, long.class); }
private final static MethodHandle mh_zj = mh_j(boolean.class);
private final static MethodHandle mh_bj = mh_j(byte.class );
private final static MethodHandle mh_cj = mh_j(char.class );
private final static MethodHandle mh_sj = mh_j(short.class );
private final static MethodHandle mh_ij = mh_j(int.class );
private final static MethodHandle mh_jj = mh_j(long.class );
private final static MethodHandle mh_fj = mh_j(float.class );
private final static MethodHandle mh_dj = mh_j(double.class );
private static void long2prim(long x) throws Throwable {
assertEquals((long) x, (long) mh_jj.invokeExact(x)); // long -> long
assertEquals((float) x, (float) mh_fj.invokeExact(x)); // long -> float
assertEquals((double) x, (double) mh_dj.invokeExact(x)); // long -> double
if (!DO_CASTS) return;
boolean z = ((x & 1) != 0);
assertEquals((boolean)z, (boolean) mh_zj.invokeExact(x)); // long -> boolean
assertEquals((byte) x, (byte) mh_bj.invokeExact(x)); // long -> byte
assertEquals((char) x, (char) mh_cj.invokeExact(x)); // long -> char
assertEquals((short) x, (short) mh_sj.invokeExact(x)); // long -> short
assertEquals((int) x, (int) mh_ij.invokeExact(x)); // long -> int
}
private static void long2prim_invalid(long x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zj.invokeExact(x); fail(); } catch (ClassCastException _) {} // long -> boolean
try { byte y = (byte) mh_bj.invokeExact(x); fail(); } catch (ClassCastException _) {} // long -> byte
try { char y = (char) mh_cj.invokeExact(x); fail(); } catch (ClassCastException _) {} // long -> char
try { short y = (short) mh_sj.invokeExact(x); fail(); } catch (ClassCastException _) {} // long -> short
try { int y = (int) mh_ij.invokeExact(x); fail(); } catch (ClassCastException _) {} // long -> int
}
private static MethodHandle mh_f(Class ret) { return mh(ret, float.class); }
private final static MethodHandle mh_zf = mh_f(boolean.class);
private final static MethodHandle mh_bf = mh_f(byte.class );
private final static MethodHandle mh_cf = mh_f(char.class );
private final static MethodHandle mh_sf = mh_f(short.class );
private final static MethodHandle mh_if = mh_f(int.class );
private final static MethodHandle mh_jf = mh_f(long.class );
private final static MethodHandle mh_ff = mh_f(float.class );
private final static MethodHandle mh_df = mh_f(double.class );
private static void float2prim(float x) throws Throwable {
assertEquals((float) x, (float) mh_ff.invokeExact(x)); // float -> float
assertEquals((double) x, (double) mh_df.invokeExact(x)); // float -> double
if (!DO_CASTS) return;
boolean z = (((byte) x & 1) != 0);
assertEquals((boolean) z, (boolean) mh_zf.invokeExact(x)); // float -> boolean
assertEquals((byte) x, (byte) mh_bf.invokeExact(x)); // float -> byte
assertEquals((char) x, (char) mh_cf.invokeExact(x)); // float -> char
assertEquals((short) x, (short) mh_sf.invokeExact(x)); // float -> short
assertEquals((int) x, (int) mh_if.invokeExact(x)); // float -> int
assertEquals((long) x, (long) mh_jf.invokeExact(x)); // float -> long
}
private static void float2prim_invalid(float x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zf.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> boolean
try { byte y = (byte) mh_bf.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> byte
try { char y = (char) mh_cf.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> char
try { short y = (short) mh_sf.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> short
try { int y = (int) mh_if.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> int
try { long y = (long) mh_jf.invokeExact(x); fail(); } catch (ClassCastException _) {} // float -> long
}
private static MethodHandle mh_d(Class ret) { return mh(ret, double.class); }
private final static MethodHandle mh_zd = mh_d(boolean.class);
private final static MethodHandle mh_bd = mh_d(byte.class );
private final static MethodHandle mh_cd = mh_d(char.class );
private final static MethodHandle mh_sd = mh_d(short.class );
private final static MethodHandle mh_id = mh_d(int.class );
private final static MethodHandle mh_jd = mh_d(long.class );
private final static MethodHandle mh_fd = mh_d(float.class );
private final static MethodHandle mh_dd = mh_d(double.class );
private static void double2prim(double x) throws Throwable {
assertEquals((double) x, (double) mh_dd.invokeExact(x)); // double -> double
if (!DO_CASTS) return;
boolean z = (((byte) x & 1) != 0);
assertEquals((boolean) z, (boolean) mh_zd.invokeExact(x)); // double -> boolean
assertEquals((byte) x, (byte) mh_bd.invokeExact(x)); // double -> byte
assertEquals((char) x, (char) mh_cd.invokeExact(x)); // double -> char
assertEquals((short) x, (short) mh_sd.invokeExact(x)); // double -> short
assertEquals((int) x, (int) mh_id.invokeExact(x)); // double -> int
assertEquals((long) x, (long) mh_jd.invokeExact(x)); // double -> long
assertEquals((float) x, (float) mh_fd.invokeExact(x)); // double -> float
}
private static void double2prim_invalid(double x) throws Throwable {
if (DO_CASTS) return;
try { boolean y = (boolean) mh_zd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> boolean
try { byte y = (byte) mh_bd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> byte
try { char y = (char) mh_cd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> char
try { short y = (short) mh_sd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> short
try { int y = (int) mh_id.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> int
try { long y = (long) mh_jd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> long
try { float y = (float) mh_fd.invokeExact(x); fail(); } catch (ClassCastException _) {} // double -> float
}
private final static MethodHandle mh_zv = mh(boolean.class);
private final static MethodHandle mh_bv = mh(byte.class );
private final static MethodHandle mh_cv = mh(char.class );
private final static MethodHandle mh_sv = mh(short.class );
private final static MethodHandle mh_iv = mh(int.class );
private final static MethodHandle mh_jv = mh(long.class );
private final static MethodHandle mh_fv = mh(float.class );
private final static MethodHandle mh_dv = mh(double.class );
private static void void2prim(int i) throws Throwable {
assertEquals( false, (boolean) mh_zv.invokeExact()); // void -> boolean
assertEquals((byte) 0, (byte) mh_bv.invokeExact()); // void -> byte
assertEquals((char) 0, (char) mh_cv.invokeExact()); // void -> char
assertEquals((short) 0, (short) mh_sv.invokeExact()); // void -> short
assertEquals( 0, (int) mh_iv.invokeExact()); // void -> int
assertEquals( 0L, (long) mh_jv.invokeExact()); // void -> long
assertEquals( 0.0f, (float) mh_fv.invokeExact()); // void -> float
assertEquals( 0.0d, (double) mh_dv.invokeExact()); // void -> double
}
private static void void2prim_invalid(double x) throws Throwable {
// no cases
}
private static MethodHandle mh_v(Class arg) { return mh(void.class, arg); }
private final static MethodHandle mh_vz = mh_v(boolean.class);
private final static MethodHandle mh_vb = mh_v(byte.class );
private final static MethodHandle mh_vc = mh_v(char.class );
private final static MethodHandle mh_vs = mh_v(short.class );
private final static MethodHandle mh_vi = mh_v(int.class );
private final static MethodHandle mh_vj = mh_v(long.class );
private final static MethodHandle mh_vf = mh_v(float.class );
private final static MethodHandle mh_vd = mh_v(double.class );
private static void prim2void(int x) throws Throwable {
boolean z = ((x & 1) != 0);
mh_vz.invokeExact( z); // boolean -> void
mh_vb.invokeExact((byte) x); // byte -> void
mh_vc.invokeExact((char) x); // char -> void
mh_vs.invokeExact((short) x); // short -> void
mh_vi.invokeExact((int) x); // int -> void
mh_vj.invokeExact((long) x); // long -> void
mh_vf.invokeExact((float) x); // float -> void
mh_vd.invokeExact((double) x); // double -> void
}
private static void prim2void_invalid(int x) throws Throwable {
// no cases
}
private static boolean identity(boolean v) { return v; }
private static byte identity(byte v) { return v; }
private static char identity(char v) { return v; }
private static short identity(short v) { return v; }
private static int identity(int v) { return v; }
private static long identity(long v) { return v; }
private static float identity(float v) { return v; }
private static double identity(double v) { return v; }
private static void identity() {}
}