6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-16 11:30:51 +00:00
Code Issues Projects Releases Wiki Activity

remove some functions that were only used by the

Browse Source 
old isel generated code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97522 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-01 23:40:33 +00:00
parent 70704978af
commit 7a855760b1
1 changed files with 1 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
include/llvm/CodeGen/DAGISelHeader.h
View File

@ -26,29 +26,6 @@
/// node list.
SelectionDAG::allnodes_iterator ISelPosition;
/// ChainNotReachable - Returns true if Chain does not reach Op.
static bool ChainNotReachable(SDNode *Chain, SDNode *Op) {
if (Chain->getOpcode() == ISD::EntryToken)
return true;
if (Chain->getOpcode() == ISD::TokenFactor)
return false;
if (Chain->getNumOperands() > 0) {
SDValue C0 = Chain->getOperand(0);
if (C0.getValueType() == MVT::Other)
return C0.getNode() != Op && ChainNotReachable(C0.getNode(), Op);
}
return true;
}
/// IsChainCompatible - Returns true if Chain is Op or Chain does not reach Op.
/// This is used to ensure that there are no nodes trapped between Chain, which
/// is the first chain node discovered in a pattern and Op, a later node, that
/// will not be selected into the pattern.
static bool IsChainCompatible(SDNode *Chain, SDNode *Op) {
return Chain == Op || ChainNotReachable(Chain, Op);
}
/// ISelUpdater - helper class to handle updates of the
/// instruciton selection graph.
class VISIBILITY_HIDDEN ISelUpdater : public SelectionDAG::DAGUpdateListener {
@ -117,6 +94,7 @@ void SelectRoot(SelectionDAG &DAG) {
continue;
SDNode *ResNode = Select(Node);
// If node should not be replaced, continue with the next one.
if (ResNode == Node)
continue;