6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2026-04-26 12:20:42 +00:00
Code Issues Projects Releases Wiki Activity

Revert Christopher Lamb's load/store alignment changes.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36309 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
2007-04-21 18:36:27 +00:00
parent b3b0727032
commit c67bdc288a
14 changed files with 4366 additions and 3467 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+19 -51
View File
@@ -1263,9 +1263,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) {
(!AfterLegalize || TLI.isLoadXLegal(ISD::ZEXTLOAD, EVT))) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
AddToWorkList(N);
CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
@@ -1282,9 +1280,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) {
(!AfterLegalize || TLI.isLoadXLegal(ISD::ZEXTLOAD, EVT))) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
AddToWorkList(N);
CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
@@ -1324,8 +1320,7 @@ SDOperand DAGCombiner::visitAND(SDNode *N) {
AddToWorkList(NewPtr.Val);
SDOperand Load =
DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT);
AddToWorkList(N);
CombineTo(N0.Val, Load, Load.getValue(1));
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
@@ -2125,8 +2120,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile());
N0.getValueType());
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2142,9 +2136,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND(SDNode *N) {
if (!AfterLegalize || TLI.isLoadXLegal(ISD::SEXTLOAD, EVT)) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2220,9 +2212,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(),
LN0->getAlignment());
N0.getValueType());
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2237,9 +2227,7 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) {
MVT::ValueType EVT = LN0->getLoadedVT();
SDOperand ExtLoad = DAG.getExtLoad(ISD::ZEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2315,9 +2303,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(),
LN0->getAlignment());
N0.getValueType());
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2335,9 +2321,7 @@ SDOperand DAGCombiner::visitANY_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(LN0->getExtensionType(), VT,
LN0->getChain(), LN0->getBasePtr(),
LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::TRUNCATE, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -2414,11 +2398,9 @@ SDOperand DAGCombiner::ReduceLoadWidth(SDNode *N) {
AddToWorkList(NewPtr.Val);
SDOperand Load = (ExtType == ISD::NON_EXTLOAD)
? DAG.getLoad(VT, LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset(),
LN0->isVolatile(), LN0->getAlignment())
LN0->getSrcValue(), LN0->getSrcValueOffset())
: DAG.getExtLoad(ExtType, VT, LN0->getChain(), NewPtr,
LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(), LN0->getAlignment());
LN0->getSrcValue(), LN0->getSrcValueOffset(), EVT);
AddToWorkList(N);
if (CombineSRL) {
std::vector<SDNode*> NowDead;
@@ -2497,9 +2479,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
CombineTo(N, ExtLoad);
CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
@@ -2512,9 +2492,7 @@ SDOperand DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
SDOperand ExtLoad = DAG.getExtLoad(ISD::SEXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(), EVT,
LN0->isVolatile(),
LN0->getAlignment());
LN0->getSrcValueOffset(), EVT);
CombineTo(N, ExtLoad);
CombineTo(N0.Val, ExtLoad, ExtLoad.getValue(1));
return SDOperand(N, 0); // Return N so it doesn't get rechecked!
@@ -2574,8 +2552,7 @@ SDOperand DAGCombiner::visitBIT_CONVERT(SDNode *N) {
if (0 && ISD::isNON_EXTLoad(N0.Val) && N0.hasOneUse()) {
LoadSDNode *LN0 = cast<LoadSDNode>(N0);
SDOperand Load = DAG.getLoad(VT, LN0->getChain(), LN0->getBasePtr(),
LN0->getSrcValue(), LN0->getSrcValueOffset(),
LN0->isVolatile(), LN0->getAlignment());
LN0->getSrcValue(), LN0->getSrcValueOffset());
AddToWorkList(N);
CombineTo(N0.Val, DAG.getNode(ISD::BIT_CONVERT, N0.getValueType(), Load),
Load.getValue(1));
@@ -2965,9 +2942,7 @@ SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) {
SDOperand ExtLoad = DAG.getExtLoad(ISD::EXTLOAD, VT, LN0->getChain(),
LN0->getBasePtr(), LN0->getSrcValue(),
LN0->getSrcValueOffset(),
N0.getValueType(),
LN0->isVolatile(),
LN0->getAlignment());
N0.getValueType());
CombineTo(N, ExtLoad);
CombineTo(N0.Val, DAG.getNode(ISD::FP_ROUND, N0.getValueType(), ExtLoad),
ExtLoad.getValue(1));
@@ -3356,16 +3331,13 @@ SDOperand DAGCombiner::visitLOAD(SDNode *N) {
// Replace the chain to void dependency.
if (LD->getExtensionType() == ISD::NON_EXTLOAD) {
ReplLoad = DAG.getLoad(N->getValueType(0), BetterChain, Ptr,
LD->getSrcValue(), LD->getSrcValueOffset(),
LD->isVolatile(), LD->getAlignment());
LD->getSrcValue(), LD->getSrcValueOffset());
} else {
ReplLoad = DAG.getExtLoad(LD->getExtensionType(),
LD->getValueType(0),
BetterChain, Ptr, LD->getSrcValue(),
LD->getSrcValueOffset(),
LD->getLoadedVT(),
LD->isVolatile(),
LD->getAlignment());
LD->getLoadedVT());
}
// Create token factor to keep old chain connected.
@@ -4068,17 +4040,13 @@ bool DAGCombiner::SimplifySelectOps(SDNode *TheSelect, SDOperand LHS,
if (LLD->getExtensionType() == ISD::NON_EXTLOAD)
Load = DAG.getLoad(TheSelect->getValueType(0), LLD->getChain(),
Addr,LLD->getSrcValue(),
LLD->getSrcValueOffset(),
LLD->isVolatile(),
LLD->getAlignment());
LLD->getSrcValueOffset());
else {
Load = DAG.getExtLoad(LLD->getExtensionType(),
TheSelect->getValueType(0),
LLD->getChain(), Addr, LLD->getSrcValue(),
LLD->getSrcValueOffset(),
LLD->getLoadedVT(),
LLD->isVolatile(),
LLD->getAlignment());
LLD->getLoadedVT());
}
// Users of the select now use the result of the load.
CombineTo(TheSelect, Load);