6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-30 17:33:24 +00:00
Code Issues Projects Releases Wiki Activity

Added a target specific hook to check whether / how a node can be transformed

Browse Source 
into a pair of base / offset nodes for pre-indexed load / store ops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31407 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-11-03 03:04:06 +00:00
parent 7ceebb437e
commit 24d9cf025d
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
include/llvm/Target/TargetLowering.h
View File

@ -371,6 +371,16 @@ public:
unsigned getJumpBufAlignment() const {
return JumpBufAlignment;
}
/// getLegalPreIndexedAddressBase - returns true by value, base pointer and
/// offset pointer and addressing mode by reference if the node's address
/// can be legally represented as pre-indexed load / store address.
virtual bool getLegalPreIndexedAddressBase(SDNode *N, SDOperand &Base,
SDOperand &Offset,
ISD::MemOpAddrMode &AM,
SelectionDAG &DAG) {
return false;
}
//===--------------------------------------------------------------------===//
// TargetLowering Optimization Methods