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wasm: fix producing programs with detached basic blocks

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This commit is contained in:
Alexey Andreev 2023-09-22 20:26:05 +02:00
parent 98ec4597d6
commit 390861f835
1 changed files with 7 additions and 0 deletions
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7
core/src/main/java/org/teavm/model/lowlevel/ExceptionHandlingShadowStackContributor.java
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@ -62,6 +62,7 @@ import org.teavm.model.instructions.NullConstantInstruction;
import org.teavm.model.instructions.RaiseInstruction;
import org.teavm.model.instructions.SwitchInstruction;
import org.teavm.model.instructions.SwitchTableEntry;
import org.teavm.model.optimization.UnreachableBasicBlockEliminator;
import org.teavm.model.util.DefinitionExtractor;
import org.teavm.model.util.ProgramUtils;
import org.teavm.runtime.ExceptionHandling;
@ -79,6 +80,7 @@ public class ExceptionHandlingShadowStackContributor {
private BasicBlock[] variableDefinitionPlaces;
private boolean hasExceptionHandlers;
private int parameterCount;
private boolean hasDetachedBlocks;
public int callSiteIdGen;
@ -140,6 +142,10 @@ public class ExceptionHandlingShadowStackContributor {
}
}
if (hasDetachedBlocks) {
new UnreachableBasicBlockEliminator().optimize(program);
}
return hasExceptionHandlers;
}
@ -218,6 +224,7 @@ public class ExceptionHandlingShadowStackContributor {
Instruction nextInsn = insn.getNext();
nextInsn.delete();
}
hasDetachedBlocks = true;
last = true;
} else if (insn instanceof RaiseInstruction) {
InvokeInstruction raise = new InvokeInstruction();