Change the table datastructure to be a vector<smallvector>, instead of

vector<vector> to avoid allocations.  This speeds up bcwriting of 447.dealII
from 0.8276 to 0.7637s (8.4%).

This concludes this round of proding the bcwriter into submission.  Final
speedup from 24.4s to 0.7637s (32x).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34142 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 6 deletions

diff --git a/lib/Bytecode/Writer/WriterInternals.h b/lib/Bytecode/Writer/WriterInternals.h
index 116791e629..6a036d804a 100644
--- a/lib/Bytecode/Writer/WriterInternals.h
+++ b/lib/Bytecode/Writer/WriterInternals.h
@@ -35,11 +35,6 @@ private:
   void outputConstants();
   void outputConstantStrings();
   void outputFunction(const Function *F);
-  void outputCompactionTable();
-  void outputCompactionTypes(unsigned StartNo);
-  void outputCompactionTablePlane(unsigned PlaneNo,
-                                  const std::vector<const Value*> &TypePlane,
-                                  unsigned StartNo);
   void outputInstructions(const Function *F);
   void outputInstruction(const Instruction &I);
   void outputInstructionFormat0(const Instruction *I, unsigned Opcode,
@@ -66,7 +61,7 @@ private:
   void outputTypeSymbolTable(const TypeSymbolTable &TST);
   void outputValueSymbolTable(const ValueSymbolTable &ST);
   void outputTypes(unsigned StartNo);
-  void outputConstantsInPlane(const std::vector<const Value*> &Plane,
+  void outputConstantsInPlane(const Value *const*Plane, unsigned PlaneSize,
                               unsigned StartNo);
   void outputConstant(const Constant *CPV);
   void outputInlineAsm(const InlineAsm *IA);