6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-24 22:24:54 +00:00
Code Issues Projects Releases Wiki Activity

Teach DAG combiner to commute commutable binary nodes in order to achieve sdisel CSE.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-03-22 01:55:50 +00:00
parent 641dae19eb
commit 08b1173971
4 changed files with 63 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
include/llvm/CodeGen/SelectionDAG.h
View File

@@ -477,6 +477,11 @@ public:
const SDOperand *Ops, unsigned NumOps);
SDNode *getTargetNode(unsigned Opcode, std::vector<MVT::ValueType> &ResultTys,
const SDOperand *Ops, unsigned NumOps);
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs,
const SDOperand *Ops, unsigned NumOps);
/// DAGUpdateListener - Clients of various APIs that cause global effects on
/// the DAG can optionally implement this interface. This allows the clients