[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp SelectionDAG.cpp
Chris Lattner
lattner at cs.uiuc.edu
Sat Jul 9 17:29:15 PDT 2005
Changes in directory llvm/lib/CodeGen/SelectionDAG:
LegalizeDAG.cpp updated: 1.136 -> 1.137
SelectionDAG.cpp updated: 1.123 -> 1.124
---
Log message:
Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode
---
Diffs of the changes: (+38 -46)
LegalizeDAG.cpp | 7 ++---
SelectionDAG.cpp | 77 +++++++++++++++++++++++++------------------------------
2 files changed, 38 insertions(+), 46 deletions(-)
Index: llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.136 llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.137
--- llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:1.136 Sat Jul 9 19:07:11 2005
+++ llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp Sat Jul 9 19:29:03 2005
@@ -679,7 +679,7 @@
Tmp3 = PromoteOp(Node->getOperand(1));
Result = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Tmp1, Tmp3, Tmp2,
Node->getOperand(3),
- Node->getOperand(1).getValueType());
+ DAG.getValueType(Node->getOperand(1).getValueType()));
break;
case Expand:
@@ -718,8 +718,7 @@
if (Tmp1 != Node->getOperand(0) || Tmp2 != Node->getOperand(1) ||
Tmp3 != Node->getOperand(2))
Result = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, Tmp1, Tmp2, Tmp3,
- Node->getOperand(3),
- cast<MVTSDNode>(Node)->getExtraValueType());
+ Node->getOperand(3), Node->getOperand(4));
break;
case Promote:
case Expand:
@@ -1482,7 +1481,7 @@
SDOperand StackSlot = DAG.getFrameIndex(SSFI, TLI.getPointerTy());
Result = DAG.getNode(ISD::TRUNCSTORE, MVT::Other, DAG.getEntryNode(),
Node->getOperand(0), StackSlot,
- DAG.getSrcValue(NULL), ExtraVT);
+ DAG.getSrcValue(NULL), DAG.getValueType(ExtraVT));
Result = DAG.getNode(ISD::EXTLOAD, Node->getValueType(0),
Result, StackSlot, DAG.getSrcValue(NULL), ExtraVT);
} else {
Index: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.123 llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.124
--- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1.123 Sat Jul 9 19:07:11 2005
+++ llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Sat Jul 9 19:29:03 2005
@@ -235,7 +235,6 @@
cast<SetCCSDNode>(N)->getCondition(),
N->getValueType(0))));
break;
- case ISD::TRUNCSTORE:
case ISD::EXTLOAD:
case ISD::SEXTLOAD:
case ISD::ZEXTLOAD: {
@@ -1465,6 +1464,20 @@
return getNode(Opcode, VT, Ops);
}
+SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
+ SDOperand N1, SDOperand N2, SDOperand N3,
+ SDOperand N4, SDOperand N5) {
+ std::vector<SDOperand> Ops;
+ Ops.reserve(5);
+ Ops.push_back(N1);
+ Ops.push_back(N2);
+ Ops.push_back(N3);
+ Ops.push_back(N4);
+ Ops.push_back(N5);
+ return getNode(Opcode, VT, Ops);
+}
+
+
SDOperand SelectionDAG::getSrcValue(const Value *V, int Offset) {
assert((!V || isa<PointerType>(V->getType())) &&
"SrcValue is not a pointer?");
@@ -1496,6 +1509,27 @@
else // Unconditional branch to false dest.
return getNode(ISD::BR, MVT::Other, Ops[0], Ops[3]);
break;
+
+ case ISD::TRUNCSTORE: {
+ assert(Ops.size() == 5 && "TRUNCSTORE takes 5 operands!");
+ MVT::ValueType EVT = cast<VTSDNode>(Ops[4])->getVT();
+#if 0 // FIXME: If the target supports EVT natively, convert to a truncate/store
+ // If this is a truncating store of a constant, convert to the desired type
+ // and store it instead.
+ if (isa<Constant>(Ops[0])) {
+ SDOperand Op = getNode(ISD::TRUNCATE, EVT, N1);
+ if (isa<Constant>(Op))
+ N1 = Op;
+ }
+ // Also for ConstantFP?
+#endif
+ if (Ops[0].getValueType() == EVT) // Normal store?
+ return getNode(ISD::STORE, VT, Ops[0], Ops[1], Ops[2], Ops[3]);
+ assert(Ops[1].getValueType() > EVT && "Not a truncation?");
+ assert(MVT::isInteger(Ops[1].getValueType()) == MVT::isInteger(EVT) &&
+ "Can't do FP-INT conversion!");
+ break;
+ }
}
// Memoize nodes.
@@ -1596,47 +1630,6 @@
return SDOperand(N, 0);
}
-SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,SDOperand N1,
- SDOperand N2, SDOperand N3, SDOperand N4,
- MVT::ValueType EVT) {
- switch (Opcode) {
- default: assert(0 && "Bad opcode for this accessor!");
- case ISD::TRUNCSTORE:
-#if 0 // FIXME: If the target supports EVT natively, convert to a truncate/store
- // If this is a truncating store of a constant, convert to the desired type
- // and store it instead.
- if (isa<Constant>(N1)) {
- SDOperand Op = getNode(ISD::TRUNCATE, EVT, N1);
- if (isa<Constant>(Op))
- N1 = Op;
- }
- // Also for ConstantFP?
-#endif
- if (N1.getValueType() == EVT) // Normal store?
- return getNode(ISD::STORE, VT, N1, N2, N3, N4);
- assert(N2.getValueType() > EVT && "Not a truncation?");
- assert(MVT::isInteger(N2.getValueType()) == MVT::isInteger(EVT) &&
- "Can't do FP-INT conversion!");
- break;
- }
-
- EVTStruct NN;
- NN.Opcode = Opcode;
- NN.VT = VT;
- NN.EVT = EVT;
- NN.Ops.push_back(N1);
- NN.Ops.push_back(N2);
- NN.Ops.push_back(N3);
- NN.Ops.push_back(N4);
-
- SDNode *&N = MVTSDNodes[NN];
- if (N) return SDOperand(N, 0);
- N = new MVTSDNode(Opcode, VT, N1, N2, N3, N4, EVT);
- AllNodes.push_back(N);
- return SDOperand(N, 0);
-}
-
-
/// hasNUsesOfValue - Return true if there are exactly NUSES uses of the
/// indicated value. This method ignores uses of other values defined by this
/// operation.
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