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Merge remote-tracking branch 'origin/GP-1997_GlobalOverPropagation'

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This commit is contained in:
Ryan Kurtz 2022-05-10 01:50:14 -04:00
commit 5c47902310
7 changed files with 17 additions and 20 deletions
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13
Ghidra/Features/Decompiler/src/decompile/cpp/ruleaction.cc
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@ -3552,13 +3552,8 @@ int4 RulePropagateCopy::applyOp(PcodeOp *op,Funcdata &data)
int4 i;
PcodeOp *copyop;
Varnode *vn,*invn;
OpCode opc;
opc = op->code();
if (opc==CPUI_RETURN) return 0; // Preserve the address of return variable
// else if (opc == CPUI_INDIRECT) {
// if (op->Output()->isAddrForce()) return 0;
// }
if (op->stopsCopyPropagation()) return 0;
for(i=0;i<op->numInput();++i) {
vn = op->getIn(i);
if (!vn->isWritten()) continue; // Varnode must be written to
@ -6170,7 +6165,7 @@ void AddTreeState::buildTree(void)
newop = data.newOpBefore(baseOp,CPUI_PTRSUB,multNode,data.newConstant(ptrsize,offset));
data.inheritReadResolution(newop, 0, baseOp, baseSlot);
if (size != 0)
newop->setStopPropagation();
newop->setStopTypePropagation();
multNode = newop->getOut();
}
@ -6383,7 +6378,7 @@ int4 RuleStructOffset0::applyOp(PcodeOp *op,Funcdata &data)
PcodeOp *newop = data.newOpBefore(op,CPUI_PTRSUB,op->getIn(1),data.newConstant(op->getIn(1)->getSize(),0));
data.inheritReadResolution(newop, 0, op, 1);
newop->setStopPropagation();
newop->setStopTypePropagation();
data.opSetInput(op,newop->getOut(),1);
return 1;
}
@ -6582,7 +6577,7 @@ int4 RulePtrsubUndo::applyOp(PcodeOp *op,Funcdata &data)
return 0;
data.opSetOpcode(op,CPUI_INT_ADD);
op->clearStopPropagation();
op->clearStopTypePropagation();
return 1;
}