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package com.oracle.truffle.llvm.parser.factories;
import com.oracle.truffle.llvm.nodes.base.LLVMStructWriteNode;
import com.oracle.truffle.llvm.nodes.base.LLVMStructWriteNodeFactory.LLVMCompoundStructWriteNodeGen;
import com.oracle.truffle.llvm.nodes.base.LLVMStructWriteNodeFactory.LLVMEmptyStructWriteNodeGen;
import com.oracle.truffle.llvm.nodes.base.LLVMStructWriteNodeFactory.LLVMPrimitiveStructWriteNodeGen;
import com.oracle.truffle.llvm.nodes.memory.LLVMInsertValueNode.LLVMInsertAddressValueNode;
import com.oracle.truffle.llvm.nodes.memory.LLVMInsertValueNode.LLVMInsertDoubleValueNode;
import com.oracle.truffle.llvm.nodes.memory.LLVMInsertValueNode.LLVMInsertFloatValueNode;
import com.oracle.truffle.llvm.nodes.memory.LLVMInsertValueNode.LLVMInsertI32ValueNode;
import com.oracle.truffle.llvm.nodes.vars.StructLiteralNode;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtract80BitFloatValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractAddressValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractDoubleValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractFloatValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractI16ValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractI1ValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractI32ValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractI64ValueNodeGen;
import com.oracle.truffle.llvm.nodes.vector.LLVMExtractValueNodeFactory.LLVMExtractI8ValueNodeGen;
import com.oracle.truffle.llvm.parser.LLVMParserRuntime;
import com.oracle.truffle.llvm.runtime.nodes.api.LLVMExpressionNode;
import com.oracle.truffle.llvm.runtime.types.ArrayType;
import com.oracle.truffle.llvm.runtime.types.PointerType;
import com.oracle.truffle.llvm.runtime.types.PrimitiveType;
import com.oracle.truffle.llvm.runtime.types.StructureType;
import com.oracle.truffle.llvm.runtime.types.Type;
final class LLVMAggregateFactory {
private LLVMAggregateFactory() {
}
static LLVMExpressionNode createExtractValue(Type type, LLVMExpressionNode targetAddress) {
if (type instanceof PrimitiveType) {
switch (((PrimitiveType) type).getPrimitiveKind()) {
case I1:
return LLVMExtractI1ValueNodeGen.create(targetAddress);
case I8:
return LLVMExtractI8ValueNodeGen.create(targetAddress);
case I16:
return LLVMExtractI16ValueNodeGen.create(targetAddress);
case I32:
return LLVMExtractI32ValueNodeGen.create(targetAddress);
case I64:
return LLVMExtractI64ValueNodeGen.create(targetAddress);
case FLOAT:
return LLVMExtractFloatValueNodeGen.create(targetAddress);
case DOUBLE:
return LLVMExtractDoubleValueNodeGen.create(targetAddress);
case X86_FP80:
return LLVMExtract80BitFloatValueNodeGen.create(targetAddress);
default:
throw new AssertionError(type);
}
} else if (type instanceof PointerType || type instanceof StructureType) {
return LLVMExtractAddressValueNodeGen.create(targetAddress);
} else {
throw new AssertionError(type);
}
}
static LLVMExpressionNode createInsertValue(LLVMParserRuntime runtime, LLVMExpressionNode resultAggregate, LLVMExpressionNode sourceAggregate, int size, int offset,
LLVMExpressionNode valueToInsert, Type llvmType) {
if (llvmType instanceof PrimitiveType) {
switch (((PrimitiveType) llvmType).getPrimitiveKind()) {
case FLOAT:
return new LLVMInsertFloatValueNode(runtime.getNativeFunctions(), sourceAggregate, resultAggregate, size, offset, valueToInsert);
case DOUBLE:
return new LLVMInsertDoubleValueNode(runtime.getNativeFunctions(), sourceAggregate, resultAggregate, size, offset, valueToInsert);
case I32:
return new LLVMInsertI32ValueNode(runtime.getNativeFunctions(), sourceAggregate, resultAggregate, size, offset, valueToInsert);
default:
throw new AssertionError(llvmType);
}
} else if (llvmType instanceof PointerType) {
return new LLVMInsertAddressValueNode(runtime.getNativeFunctions(), sourceAggregate, resultAggregate, size, offset, valueToInsert);
} else {
throw new AssertionError(llvmType);
}
}
static LLVMExpressionNode createStructConstantNode(LLVMParserRuntime runtime, Type structType, boolean packed, Type[] types, LLVMExpressionNode[] constants) {
int[] offsets = new int[types.length];
LLVMStructWriteNode[] nodes = new LLVMStructWriteNode[types.length];
int currentOffset = 0;
int structSize = runtime.getByteSize(structType);
int structAlignment = runtime.getByteAlignment(structType);
LLVMExpressionNode alloc = runtime.allocateFunctionLifetime(structType, structSize, structAlignment);
for (int i = 0; i < types.length; i++) {
Type resolvedType = types[i];
if (!packed) {
currentOffset += runtime.getBytePadding(currentOffset, resolvedType);
}
offsets[i] = currentOffset;
int byteSize = runtime.getByteSize(resolvedType);
nodes[i] = createStructWriteNode(runtime, resolvedType);
currentOffset += byteSize;
}
return new StructLiteralNode(offsets, nodes, constants, alloc);
}
private static LLVMStructWriteNode createStructWriteNode(LLVMParserRuntime runtime, Type resolvedType) {
if (resolvedType instanceof ArrayType || resolvedType instanceof StructureType) {
int byteSize = runtime.getByteSize(resolvedType);
if (byteSize == 0) {
return LLVMEmptyStructWriteNodeGen.create();
} else {
return LLVMCompoundStructWriteNodeGen.create(runtime.getNativeFunctions(), byteSize);
}
} else {
return LLVMPrimitiveStructWriteNodeGen.create();
}
}
}