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

Add a new optimization pass: Stack Coloring, that merges disjoint static allocations (allocas). Allocas are known to be

Browse Source 
disjoint if they are marked by disjoint lifetime markers (@llvm.lifetime.XXX intrinsics).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163299 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nadav Rotem
2012-09-06 09:17:37 +00:00
parent 6c822eea47
commit c05d30601c
22 changed files with 1058 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+11
View File
@@ -873,6 +873,17 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
break;
}
case ISD::LIFETIME_START:
case ISD::LIFETIME_END: {
unsigned TarOp = (Node->getOpcode() == ISD::LIFETIME_START) ?
TargetOpcode::LIFETIME_START : TargetOpcode::LIFETIME_END;
FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Node->getOperand(1));
BuildMI(*MBB, InsertPos, Node->getDebugLoc(), TII->get(TarOp))
.addFrameIndex(FI->getIndex());
break;
}
case ISD::INLINEASM: {
unsigned NumOps = Node->getNumOperands();
if (Node->getOperand(NumOps-1).getValueType() == MVT::Glue)