Reduce instruction selection code size and stack frame size by factoring

code that emit target specific nodes into emit functions that are uniquified
and shared among selection routines.
e.g. This reduces X86ISelDAGToDAG.o (release) from ~2M to ~1.5M. Stack frame
size of Select_store from ~13k down to ~8k.
This is the first step. Further work to enable more sharing will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29158 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/utils/TableGen/DAGISelEmitter.h b/utils/TableGen/DAGISelEmitter.h
index 8a8bf3d6c5..f0c7376e44 100644
--- a/utils/TableGen/DAGISelEmitter.h
+++ b/utils/TableGen/DAGISelEmitter.h
@@ -522,7 +522,8 @@ private:
   void GenerateCodeForPattern(PatternToMatch &Pattern,
                       std::vector<std::pair<bool, std::string> > &GeneratedCode,
                          std::set<std::pair<bool, std::string> > &GeneratedDecl,
-                              bool UseGoto);
+                              std::vector<std::string> &TargetOpcodes,
+                              bool DoReplace);
   void EmitPatterns(std::vector<std::pair<PatternToMatch*, 
                     std::vector<std::pair<bool, std::string> > > > &Patterns, 
                     unsigned Indent, std::ostream &OS);