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-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp118
1 files changed, 1 insertions, 117 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 5cb13e3f44..2df363e5be 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -22,6 +22,7 @@
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetSubtarget.h"
#include "llvm/CallingConv.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
@@ -2842,123 +2843,6 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
break;
}
break;
- case ISD::MEMSET:
- case ISD::MEMCPY:
- case ISD::MEMMOVE: {
- Tmp1 = LegalizeOp(Node->getOperand(0)); // Chain
- Tmp2 = LegalizeOp(Node->getOperand(1)); // Pointer
-
- if (Node->getOpcode() == ISD::MEMSET) { // memset = ubyte
- switch (getTypeAction(Node->getOperand(2).getValueType())) {
- case Expand: assert(0 && "Cannot expand a byte!");
- case Legal:
- Tmp3 = LegalizeOp(Node->getOperand(2));
- break;
- case Promote:
- Tmp3 = PromoteOp(Node->getOperand(2));
- break;
- }
- } else {
- Tmp3 = LegalizeOp(Node->getOperand(2)); // memcpy/move = pointer,
- }
-
- SDOperand Tmp4;
- switch (getTypeAction(Node->getOperand(3).getValueType())) {
- case Expand: {
- // Length is too big, just take the lo-part of the length.
- SDOperand HiPart;
- ExpandOp(Node->getOperand(3), Tmp4, HiPart);
- break;
- }
- case Legal:
- Tmp4 = LegalizeOp(Node->getOperand(3));
- break;
- case Promote:
- Tmp4 = PromoteOp(Node->getOperand(3));
- break;
- }
-
- SDOperand Tmp5;
- switch (getTypeAction(Node->getOperand(4).getValueType())) { // uint
- case Expand: assert(0 && "Cannot expand this yet!");
- case Legal:
- Tmp5 = LegalizeOp(Node->getOperand(4));
- break;
- case Promote:
- Tmp5 = PromoteOp(Node->getOperand(4));
- break;
- }
-
- SDOperand Tmp6;
- switch (getTypeAction(Node->getOperand(5).getValueType())) { // bool
- case Expand: assert(0 && "Cannot expand this yet!");
- case Legal:
- Tmp6 = LegalizeOp(Node->getOperand(5));
- break;
- case Promote:
- Tmp6 = PromoteOp(Node->getOperand(5));
- break;
- }
-
- switch (TLI.getOperationAction(Node->getOpcode(), MVT::Other)) {
- default: assert(0 && "This action not implemented for this operation!");
- case TargetLowering::Custom:
- isCustom = true;
- // FALLTHROUGH
- case TargetLowering::Legal: {
- SDOperand Ops[] = { Tmp1, Tmp2, Tmp3, Tmp4, Tmp5, Tmp6 };
- Result = DAG.UpdateNodeOperands(Result, Ops, 6);
- if (isCustom) {
- Tmp1 = TLI.LowerOperation(Result, DAG);
- if (Tmp1.Val) Result = Tmp1;
- }
- break;
- }
- case TargetLowering::Expand: {
- // Otherwise, the target does not support this operation. Lower the
- // operation to an explicit libcall as appropriate.
- MVT::ValueType IntPtr = TLI.getPointerTy();
- const Type *IntPtrTy = TLI.getTargetData()->getIntPtrType();
- TargetLowering::ArgListTy Args;
- TargetLowering::ArgListEntry Entry;
-
- const char *FnName = 0;
- if (Node->getOpcode() == ISD::MEMSET) {
- Entry.Node = Tmp2; Entry.Ty = IntPtrTy;
- Args.push_back(Entry);
- // Extend the (previously legalized) ubyte argument to be an int value
- // for the call.
- if (Tmp3.getValueType() > MVT::i32)
- Tmp3 = DAG.getNode(ISD::TRUNCATE, MVT::i32, Tmp3);
- else
- Tmp3 = DAG.getNode(ISD::ZERO_EXTEND, MVT::i32, Tmp3);
- Entry.Node = Tmp3; Entry.Ty = Type::Int32Ty; Entry.isSExt = true;
- Args.push_back(Entry);
- Entry.Node = Tmp4; Entry.Ty = IntPtrTy; Entry.isSExt = false;
- Args.push_back(Entry);
-
- FnName = "memset";
- } else if (Node->getOpcode() == ISD::MEMCPY ||
- Node->getOpcode() == ISD::MEMMOVE) {
- Entry.Ty = IntPtrTy;
- Entry.Node = Tmp2; Args.push_back(Entry);
- Entry.Node = Tmp3; Args.push_back(Entry);
- Entry.Node = Tmp4; Args.push_back(Entry);
- FnName = Node->getOpcode() == ISD::MEMMOVE ? "memmove" : "memcpy";
- } else {
- assert(0 && "Unknown op!");
- }
-
- std::pair<SDOperand,SDOperand> CallResult =
- TLI.LowerCallTo(Tmp1, Type::VoidTy,
- false, false, false, CallingConv::C, false,
- DAG.getExternalSymbol(FnName, IntPtr), Args, DAG);
- Result = CallResult.second;
- break;
- }
- }
- break;
- }
case ISD::SHL_PARTS:
case ISD::SRA_PARTS: