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Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30945 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2006-10-13 21:14:26 +00:00
parent d51c87f22f
commit 8b2794aeff
23 changed files with 457 additions and 378 deletions
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5
include/llvm/CodeGen/SelectionDAG.h
View File

@@ -319,7 +319,10 @@ public:
/// getStore - Helper function to build ISD::STORE nodes.
///
SDOperand getStore(SDOperand Chain, SDOperand Value, SDOperand Ptr,
SDOperand SV);
const Value *SV, int SVOffset, bool isVolatile=false);
SDOperand getTruncStore(SDOperand Chain, SDOperand Value, SDOperand Ptr,
const Value *SV, int SVOffset, MVT::ValueType TVT,
bool isVolatile=false);
// getSrcValue - construct a node to track a Value* through the backend
SDOperand getSrcValue(const Value* I, int offset = 0);

32
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@@ -1408,15 +1408,6 @@ protected:
assert((Off.getOpcode() == ISD::UNDEF || AddrMode == ISD::POST_INDEXED) &&
"Only post-indexed load has a non-undef offset operand");
}
LoadSDNode(SDOperand Chain, SDOperand Ptr, SDOperand Off,
ISD::LoadExtType ETy, MVT::ValueType LVT,
const Value *SV, int O=0, unsigned Align=1, bool Vol=false)
: SDNode(ISD::LOAD, Chain, Ptr, Off),
AddrMode(ISD::UNINDEXED), ExtType(ETy), LoadedVT(LVT), SrcValue(SV),
SVOffset(O), Alignment(Align), IsVolatile(Vol) {
assert((Off.getOpcode() == ISD::UNDEF || AddrMode == ISD::POST_INDEXED) &&
"Only post-indexed load has a non-undef offset operand");
}
public:
const SDOperand getChain() const { return getOperand(0); }
@@ -1461,10 +1452,10 @@ class StoreSDNode : public SDNode {
bool IsVolatile;
protected:
friend class SelectionDAG;
StoreSDNode(SDOperand Chain, SDOperand Ptr, SDOperand Off,
StoreSDNode(SDOperand Chain, SDOperand Value, SDOperand Ptr, SDOperand Off,
ISD::MemOpAddrMode AM, bool isTrunc, MVT::ValueType SVT,
const Value *SV, int O=0, unsigned Align=0, bool Vol=false)
: SDNode(ISD::STORE, Chain, Ptr, Off),
: SDNode(ISD::STORE, Chain, Value, Ptr, Off),
AddrMode(AM), IsTruncStore(isTrunc), StoredVT(SVT), SrcValue(SV),
SVOffset(O), Alignment(Align), IsVolatile(Vol) {
assert((Off.getOpcode() == ISD::UNDEF || AddrMode == ISD::POST_INDEXED) &&
@@ -1473,8 +1464,9 @@ protected:
public:
const SDOperand getChain() const { return getOperand(0); }
const SDOperand getBasePtr() const { return getOperand(1); }
const SDOperand getOffset() const { return getOperand(2); }
const SDOperand getValue() const { return getOperand(1); }
const SDOperand getBasePtr() const { return getOperand(2); }
const SDOperand getOffset() const { return getOperand(3); }
ISD::MemOpAddrMode getAddressingMode() const { return AddrMode; }
bool isTruncatingStore() const { return IsTruncStore; }
MVT::ValueType getStoredVT() const { return StoredVT; }
@@ -1591,6 +1583,20 @@ namespace ISD {
return N->getOpcode() == ISD::LOAD &&
cast<LoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD;
}
/// isNON_TRUNCStore - Returns true if the specified node is a non-truncating
/// store.
inline bool isNON_TRUNCStore(const SDNode *N) {
return N->getOpcode() == ISD::STORE &&
!cast<StoreSDNode>(N)->isTruncatingStore();
}
/// isTRUNCStore - Returns true if the specified node is a truncating
/// store.
inline bool isTRUNCStore(const SDNode *N) {
return N->getOpcode() == ISD::STORE &&
cast<StoreSDNode>(N)->isTruncatingStore();
}
}