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Add non-temporal flags and remove an assumption of default arguments.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96240 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2010-02-15 17:00:31 +00:00
parent db8d989ed5
commit 1e559443a1
12 changed files with 307 additions and 184 deletions
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95
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@@ -1881,7 +1881,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
LN0->getChain(), LN0->getBasePtr(),
LN0->getSrcValue(),
LN0->getSrcValueOffset(), MemVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
AddToWorkList(N);
CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -1903,7 +1904,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), MemVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
AddToWorkList(N);
CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -1935,7 +1937,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
DAG.getExtLoad(ISD::ZEXTLOAD, LN0->getDebugLoc(), LoadResultTy,
LN0->getChain(), LN0->getBasePtr(),
LN0->getSrcValue(), LN0->getSrcValueOffset(),
ExtVT, LN0->isVolatile(), LN0->getAlignment());
ExtVT, LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
AddToWorkList(N);
CombineTo(LN0, NewLoad, NewLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -1970,7 +1973,8 @@ SDValue DAGCombiner::visitAND(SDNode *N) {
DAG.getExtLoad(ISD::ZEXTLOAD, LN0->getDebugLoc(), LoadResultTy,
LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset(),
ExtVT, LN0->isVolatile(), Alignment);
ExtVT, LN0->isVolatile(), LN0->isNonTemporal(),
Alignment);
AddToWorkList(N);
CombineTo(LN0, Load, Load.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -3143,7 +3147,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
N0.getValueType(), ExtLoad);
@@ -3185,7 +3190,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), MemVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(),
DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
@@ -3315,7 +3321,8 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) {
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
N0.getValueType(), ExtLoad);
@@ -3357,7 +3364,8 @@ SDValue DAGCombiner::visitZERO_EXTEND(SDNode *N) {
LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), MemVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(),
DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(), N0.getValueType(),
@@ -3471,7 +3479,8 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
SDValue Trunc = DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
N0.getValueType(), ExtLoad);
@@ -3513,7 +3522,8 @@ SDValue DAGCombiner::visitANY_EXTEND(SDNode *N) {
VT, LN0->getChain(), LN0->getBasePtr(),
LN0->getSrcValue(),
LN0->getSrcValueOffset(), MemVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(),
DAG.getNode(ISD::TRUNCATE, N0.getDebugLoc(),
@@ -3636,10 +3646,11 @@ SDValue DAGCombiner::ReduceLoadWidth(SDNode *N) {
SDValue Load = (ExtType == ISD::NON_EXTLOAD)
? DAG.getLoad(VT, N0.getDebugLoc(), LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset() + PtrOff,
LN0->isVolatile(), NewAlign)
LN0->isVolatile(), LN0->isNonTemporal(), NewAlign)
: DAG.getExtLoad(ExtType, N0.getDebugLoc(), VT, LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset() + PtrOff,
ExtVT, LN0->isVolatile(), NewAlign);
ExtVT, LN0->isVolatile(), LN0->isNonTemporal(),
NewAlign);
// Replace the old load's chain with the new load's chain.
WorkListRemover DeadNodes(*this);
@@ -3726,7 +3737,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -3742,7 +3754,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(), ExtLoad, ExtLoad.getValue(1));
return SDValue(N, 0); // Return N so it doesn't get rechecked!
@@ -3826,7 +3839,7 @@ SDValue DAGCombiner::CombineConsecutiveLoads(SDNode *N, EVT VT) {
(!LegalOperations || TLI.isOperationLegal(ISD::LOAD, VT)))
return DAG.getLoad(VT, N->getDebugLoc(), LD1->getChain(),
LD1->getBasePtr(), LD1->getSrcValue(),
LD1->getSrcValueOffset(), false, Align);
LD1->getSrcValueOffset(), false, false, Align);
}
return SDValue();
@@ -3896,7 +3909,8 @@ SDValue DAGCombiner::visitBIT_CONVERT(SDNode *N) {
SDValue Load = DAG.getLoad(VT, N->getDebugLoc(), LN0->getChain(),
LN0->getBasePtr(),
LN0->getSrcValue(), LN0->getSrcValueOffset(),
LN0->isVolatile(), OrigAlign);
LN0->isVolatile(), LN0->isNonTemporal(),
OrigAlign);
AddToWorkList(N);
CombineTo(N0.getNode(),
DAG.getNode(ISD::BIT_CONVERT, N0.getDebugLoc(),
@@ -4492,7 +4506,8 @@ SDValue DAGCombiner::visitFP_EXTEND(SDNode *N) {
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(), LN0->getAlignment());
LN0->isVolatile(), LN0->isNonTemporal(),
LN0->getAlignment());
CombineTo(N, ExtLoad);
CombineTo(N0.getNode(),
DAG.getNode(ISD::FP_ROUND, N0.getDebugLoc(),
@@ -4960,7 +4975,7 @@ SDValue DAGCombiner::visitLOAD(SDNode *N) {
LD->getValueType(0),
Chain, Ptr, LD->getSrcValue(),
LD->getSrcValueOffset(), LD->getMemoryVT(),
LD->isVolatile(), Align);
LD->isVolatile(), LD->isNonTemporal(), Align);
}
}
@@ -5042,7 +5057,8 @@ SDValue DAGCombiner::visitLOAD(SDNode *N) {
ReplLoad = DAG.getLoad(N->getValueType(0), LD->getDebugLoc(),
BetterChain, Ptr,
LD->getSrcValue(), LD->getSrcValueOffset(),
LD->isVolatile(), LD->getAlignment());
LD->isVolatile(), LD->isNonTemporal(),
LD->getAlignment());
} else {
ReplLoad = DAG.getExtLoad(LD->getExtensionType(), LD->getDebugLoc(),
LD->getValueType(0),
@@ -5050,6 +5066,7 @@ SDValue DAGCombiner::visitLOAD(SDNode *N) {
LD->getSrcValueOffset(),
LD->getMemoryVT(),
LD->isVolatile(),
LD->isNonTemporal(),
LD->getAlignment());
}
@@ -5149,13 +5166,14 @@ SDValue DAGCombiner::ReduceLoadOpStoreWidth(SDNode *N) {
SDValue NewLD = DAG.getLoad(NewVT, N0.getDebugLoc(),
LD->getChain(), NewPtr,
LD->getSrcValue(), LD->getSrcValueOffset(),
LD->isVolatile(), NewAlign);
LD->isVolatile(), LD->isNonTemporal(),
NewAlign);
SDValue NewVal = DAG.getNode(Opc, Value.getDebugLoc(), NewVT, NewLD,
DAG.getConstant(NewImm, NewVT));
SDValue NewST = DAG.getStore(Chain, N->getDebugLoc(),
NewVal, NewPtr,
ST->getSrcValue(), ST->getSrcValueOffset(),
false, NewAlign);
false, false, NewAlign);
AddToWorkList(NewPtr.getNode());
AddToWorkList(NewLD.getNode());
@@ -5184,7 +5202,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
return DAG.getTruncStore(Chain, N->getDebugLoc(), Value,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
ST->isVolatile(), Align);
ST->isVolatile(), ST->isNonTemporal(), Align);
}
}
@@ -5201,7 +5219,8 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
TLI.isOperationLegalOrCustom(ISD::STORE, SVT)))
return DAG.getStore(Chain, N->getDebugLoc(), Value.getOperand(0),
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->isVolatile(), OrigAlign);
ST->getSrcValueOffset(), ST->isVolatile(),
ST->isNonTemporal(), OrigAlign);
}
// Turn 'store float 1.0, Ptr' -> 'store int 0x12345678, Ptr'
@@ -5227,7 +5246,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
return DAG.getStore(Chain, N->getDebugLoc(), Tmp,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->isVolatile(),
ST->getAlignment());
ST->isNonTemporal(), ST->getAlignment());
}
break;
case MVT::f64:
@@ -5239,7 +5258,7 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
return DAG.getStore(Chain, N->getDebugLoc(), Tmp,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->isVolatile(),
ST->getAlignment());
ST->isNonTemporal(), ST->getAlignment());
} else if (!ST->isVolatile() &&
TLI.isOperationLegalOrCustom(ISD::STORE, MVT::i32)) {
// Many FP stores are not made apparent until after legalize, e.g. for
@@ -5253,18 +5272,21 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
int SVOffset = ST->getSrcValueOffset();
unsigned Alignment = ST->getAlignment();
bool isVolatile = ST->isVolatile();
bool isNonTemporal = ST->isNonTemporal();
SDValue St0 = DAG.getStore(Chain, ST->getDebugLoc(), Lo,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(),
isVolatile, ST->getAlignment());
isVolatile, isNonTemporal,
ST->getAlignment());
Ptr = DAG.getNode(ISD::ADD, N->getDebugLoc(), Ptr.getValueType(), Ptr,
DAG.getConstant(4, Ptr.getValueType()));
SVOffset += 4;
Alignment = MinAlign(Alignment, 4U);
SDValue St1 = DAG.getStore(Chain, ST->getDebugLoc(), Hi,
Ptr, ST->getSrcValue(),
SVOffset, isVolatile, Alignment);
SVOffset, isVolatile, isNonTemporal,
Alignment);
return DAG.getNode(ISD::TokenFactor, N->getDebugLoc(), MVT::Other,
St0, St1);
}
@@ -5286,12 +5308,13 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
if (ST->isTruncatingStore()) {
ReplStore = DAG.getTruncStore(BetterChain, N->getDebugLoc(), Value, Ptr,
ST->getSrcValue(),ST->getSrcValueOffset(),
ST->getMemoryVT(),
ST->isVolatile(), ST->getAlignment());
ST->getMemoryVT(), ST->isVolatile(),
ST->isNonTemporal(), ST->getAlignment());
} else {
ReplStore = DAG.getStore(BetterChain, N->getDebugLoc(), Value, Ptr,
ST->getSrcValue(), ST->getSrcValueOffset(),
ST->isVolatile(), ST->getAlignment());
ST->isVolatile(), ST->isNonTemporal(),
ST->getAlignment());
}
// Create token to keep both nodes around.
@@ -5325,7 +5348,8 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
return DAG.getTruncStore(Chain, N->getDebugLoc(), Shorter,
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
ST->isVolatile(), ST->getAlignment());
ST->isVolatile(), ST->isNonTemporal(),
ST->getAlignment());
// Otherwise, see if we can simplify the operation with
// SimplifyDemandedBits, which only works if the value has a single use.
@@ -5358,7 +5382,8 @@ SDValue DAGCombiner::visitSTORE(SDNode *N) {
return DAG.getTruncStore(Chain, N->getDebugLoc(), Value.getOperand(0),
Ptr, ST->getSrcValue(),
ST->getSrcValueOffset(), ST->getMemoryVT(),
ST->isVolatile(), ST->getAlignment());
ST->isVolatile(), ST->isNonTemporal(),
ST->getAlignment());
}
return ReduceLoadOpStoreWidth(N);
@@ -5503,7 +5528,7 @@ SDValue DAGCombiner::visitEXTRACT_VECTOR_ELT(SDNode *N) {
return DAG.getLoad(LVT, N->getDebugLoc(), LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset(),
LN0->isVolatile(), Align);
LN0->isVolatile(), LN0->isNonTemporal(), Align);
}
return SDValue();
@@ -5883,6 +5908,7 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDValue LHS,
LLD->getChain(),
Addr, 0, 0,
LLD->isVolatile(),
LLD->isNonTemporal(),
LLD->getAlignment());
} else {
Load = DAG.getExtLoad(LLD->getExtensionType(),
@@ -5891,6 +5917,7 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDValue LHS,
LLD->getChain(), Addr, 0, 0,
LLD->getMemoryVT(),
LLD->isVolatile(),
LLD->isNonTemporal(),
LLD->getAlignment());
}
@@ -5998,7 +6025,7 @@ SDValue DAGCombiner::SimplifySelectCC(DebugLoc DL, SDValue N0, SDValue N1,
CstOffset);
return DAG.getLoad(TV->getValueType(0), DL, DAG.getEntryNode(), CPIdx,
PseudoSourceValue::getConstantPool(), 0, false,
Alignment);
false, Alignment);
}
}