diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4e1b990275ddccb9f0c47fe1f84133d68a6cfb03..1708c59001303a6c0065f911ce194eec8085417c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
# Aparapi Changelog
-## 1.9.1
+## 1.10.0
+
+* If statements with empty blocks and comparisons outside of if or while statements now compile and run on the GPU.
## 1.9.0
diff --git a/src/main/java/com/aparapi/internal/writer/BlockWriter.java b/src/main/java/com/aparapi/internal/writer/BlockWriter.java
index 8e8ed04bee30e85591ef874df75f39d5bb06beeb..22789c60d42ddd4e56c079f75f0b87d8e51cb389 100644
--- a/src/main/java/com/aparapi/internal/writer/BlockWriter.java
+++ b/src/main/java/com/aparapi/internal/writer/BlockWriter.java
@@ -745,8 +745,10 @@ public abstract class BlockWriter{
} else if (_instruction.getByteCode().equals(ByteCode.NONE)) {
// we are done
} else if (_instruction instanceof Branch) {
- throw new CodeGenException(String.format("%s -> %04d", _instruction.getByteCode().toString().toLowerCase(),
- ((Branch) _instruction).getTarget().getThisPC()));
+ if(_instruction instanceof ConditionalBranch16)
+ writeConditionalBranch16((ConditionalBranch16) _instruction, true);
+ else
+ throw new CodeGenException(String.format("%s -> %04d", _instruction.getByteCode().toString().toLowerCase(), ((Branch) _instruction).getTarget().getThisPC()));
} else if (_instruction instanceof I_POP) {
//POP discarded void call return?
writeInstruction(_instruction.getFirstChild());
diff --git a/src/test/java/com/aparapi/codegen/test/ContinueTorture.java b/src/test/java/com/aparapi/codegen/test/ContinueTorture.java
index b172b17cb5902c9f8492a22fc21a2603ad4b38fa..363332179a88ca2bd0aed4241eedb4b2ebd33441 100644
--- a/src/test/java/com/aparapi/codegen/test/ContinueTorture.java
+++ b/src/test/java/com/aparapi/codegen/test/ContinueTorture.java
@@ -35,7 +35,6 @@ public class ContinueTorture {
public void run() {
int idx = myId;
while (--idx > 0) {
-
if (myId == 0) {
continue;
}
diff --git a/src/test/java/com/aparapi/codegen/test/EmptyIfBlock.java b/src/test/java/com/aparapi/codegen/test/EmptyIfBlock.java
new file mode 100644
index 0000000000000000000000000000000000000000..b73fb961d8bd74c1185c821efc46e378be685f2b
--- /dev/null
+++ b/src/test/java/com/aparapi/codegen/test/EmptyIfBlock.java
@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2016 - 2018 Syncleus, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.aparapi.codegen.test;
+
+public class EmptyIfBlock {
+
+ public void run() {
+ int idx = 34;
+ if(idx < 5) {
+ }
+ }
+}
+/**{Throws{ClassParseException}Throws}**/
diff --git a/src/test/java/com/aparapi/codegen/test/EmptyIfBlockTest.java b/src/test/java/com/aparapi/codegen/test/EmptyIfBlockTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..ae8efe70468ebef57da7dbdf981cd9d4210dce31
--- /dev/null
+++ b/src/test/java/com/aparapi/codegen/test/EmptyIfBlockTest.java
@@ -0,0 +1,51 @@
+/**
+ * Copyright (c) 2016 - 2018 Syncleus, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.aparapi.codegen.test;
+
+import org.junit.Test;
+
+public class EmptyIfBlockTest extends com.aparapi.codegen.CodeGenJUnitBase {
+ private static final String[] expectedOpenCL = {"typedef struct This_s{\n" +
+ " int passid;\n" +
+ "}This;\n" +
+ "int get_pass_id(This *this){\n" +
+ " return this->passid;\n" +
+ "}\n" +
+ "__kernel void run(\n" +
+ " int passid\n" +
+ "){\n" +
+ " This thisStruct;\n" +
+ " This* this=&thisStruct;\n" +
+ " this->passid = passid;\n" +
+ " {\n" +
+ " int idx = 34;\n" +
+ " idx<5;\n" +
+ " return;\n" +
+ " }\n" +
+ "}\n" +
+ "\n"};
+ private static final Class<? extends com.aparapi.internal.exception.AparapiException> expectedException = null;
+
+ @Test
+ public void EmptyIfBlockTest() {
+ test(EmptyIfBlock.class, expectedException, expectedOpenCL);
+ }
+
+ @Test
+ public void EmptyIfBlockTestWorksWithCaching() {
+ test(EmptyIfBlock.class, expectedException, expectedOpenCL);
+ }
+}
diff --git a/src/test/java/com/aparapi/codegen/test/PreDecrement.java b/src/test/java/com/aparapi/codegen/test/PreDecrement.java
new file mode 100644
index 0000000000000000000000000000000000000000..4a26d53877503100769a7e2cc29c6da005bb2e3c
--- /dev/null
+++ b/src/test/java/com/aparapi/codegen/test/PreDecrement.java
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2016 - 2018 Syncleus, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.aparapi.codegen.test;
+
+public class PreDecrement {
+ public void run() {
+ int i = 123;
+ boolean result = --i < 123;
+ }
+}
diff --git a/src/test/java/com/aparapi/codegen/test/PreDecrementTest.java b/src/test/java/com/aparapi/codegen/test/PreDecrementTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..e42f76250fb9732cc7c77e92060ecd1e01f5f072
--- /dev/null
+++ b/src/test/java/com/aparapi/codegen/test/PreDecrementTest.java
@@ -0,0 +1,52 @@
+/**
+ * Copyright (c) 2016 - 2018 Syncleus, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.aparapi.codegen.test;
+
+import org.junit.Test;
+
+public class PreDecrementTest extends com.aparapi.codegen.CodeGenJUnitBase {
+
+ private static final String[] expectedOpenCL = {"typedef struct This_s{\n" +
+ " int passid;\n" +
+ "}This;\n" +
+ "int get_pass_id(This *this){\n" +
+ " return this->passid;\n" +
+ "}\n" +
+ "__kernel void run(\n" +
+ " int passid\n" +
+ "){\n" +
+ " This thisStruct;\n" +
+ " This* this=&thisStruct;\n" +
+ " this->passid = passid;\n" +
+ " {\n" +
+ " int i = 123;\n" +
+ " i--;\n" +
+ " char result = (i<123)?1:0;\n" +
+ " return;\n" +
+ " }\n" +
+ "}\n" +
+ "\n"};
+ private static final Class<? extends com.aparapi.internal.exception.AparapiException> expectedException = null;
+
+ @Test
+ public void PreDecPostIncTest() { test(PreDecrement.class, expectedException, expectedOpenCL);
+ }
+
+ @Test
+ public void PreDecPostIncTestWorksWithCaching() {
+ test(PreDecrement.class, expectedException, expectedOpenCL);
+ }
+}
diff --git a/src/test/java/com/aparapi/runtime/PreDecrementTest.java b/src/test/java/com/aparapi/runtime/PreDecrementTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..648ce40c53f780658379ce1e35d42d6bf22cd7b4
--- /dev/null
+++ b/src/test/java/com/aparapi/runtime/PreDecrementTest.java
@@ -0,0 +1,36 @@
+/**
+ * Copyright (c) 2016 - 2018 Syncleus, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.aparapi.runtime;
+
+import com.aparapi.Kernel;
+import org.junit.Test;
+
+
+public class PreDecrementTest {
+ @Test
+ public void test() {
+ PreDecrement kernel = new PreDecrement();
+ kernel.execute(1);
+ }
+
+ public class PreDecrement extends Kernel {
+ public void run() {
+ int idx = 34;
+ if(idx < 5) {
+ }
+ }
+ }
+}