8031498: Cleanup and re-factorize PhaseChaitin::build_ifg_physical
Summary: Created sub-functions, added data structures, improved naming and removed unnecessary code
Reviewed-by: kvn, roland, rbackman
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* version 2 for more details (a copy is included in the LICENSE file that
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/**
* @test
* @bug 6930043
* @summary C2: SIGSEGV in javasoft.sqe.tests.lang.arr017.arr01702.arr01702.loop_forw(II)I
*
* @run main Test6930043
*/
import java.io.PrintStream;
public class Test6930043 {
int[] a;
int idx;
public int loop_back(int i, int i_0_) {
int i_1_ = 0;
int[] is = a;
if (is == null) return 0;
for (int i_2_ = i; i_2_ >= i_0_; i_2_--)
i_1_ += is[idx = i_2_];
return i_1_;
}
public int loop_forw(int start, int end) {
int result = 0;
int[] is = a;
if (is == null) return 0;
for (int index = start; index < end; index++)
result += is[index];
// result += is[idx = index];
return result;
}
public static void main(String[] strings) {
Test6930043 var_Test6930043 = new Test6930043();
var_Test6930043.a = new int[1000000];
var_Test6930043.loop_forw(10, 999990);
var_Test6930043.loop_forw(10, 999990);
for (int i = 0; i < 3; i++) {
try {
if (var_Test6930043.loop_forw(-1, 999990) != 0) throw new InternalError();
} catch (ArrayIndexOutOfBoundsException e) { }
}
var_Test6930043.loop_back(999990, 10);
var_Test6930043.loop_back(999990, 10);
for (int i = 0; i < 3; i++) {
try {
if (var_Test6930043.loop_back(999990, -1) != 0) throw new InternalError();
} catch (ArrayIndexOutOfBoundsException e) { }
}
}
}