Moved code generation support routines to InstrSelectionSupport.cpp.
llvm-svn: 717
diff --git a/llvm/lib/CodeGen/InstrSelection/InstrSelection.cpp b/llvm/lib/CodeGen/InstrSelection/InstrSelection.cpp
index 339ba64..d52088c 100644
--- a/llvm/lib/CodeGen/InstrSelection/InstrSelection.cpp
+++ b/llvm/lib/CodeGen/InstrSelection/InstrSelection.cpp
@@ -6,7 +6,7 @@
// Purpose:
// Machine-independent driver file for instruction selection.
// This file constructs a forest of BURG instruction trees and then
-// use the BURG-generated tree grammar (BURM) to find the optimal
+// uses the BURG-generated tree grammar (BURM) to find the optimal
// instruction sequences for a given machine.
//
// History:
@@ -17,8 +17,6 @@
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/CodeGen/MachineInstr.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Type.h"
-#include "llvm/iMemory.h"
#include "llvm/Instruction.h"
#include "llvm/BasicBlock.h"
#include "llvm/Method.h"
@@ -119,47 +117,6 @@
}
-//---------------------------------------------------------------------------
-// Function: FoldGetElemChain
-//
-// Purpose:
-// Fold a chain of GetElementPtr instructions into an equivalent
-// (Pointer, IndexVector) pair. Returns the pointer Value, and
-// stores the resulting IndexVector in argument chainIdxVec.
-//---------------------------------------------------------------------------
-
-Value*
-FoldGetElemChain(const InstructionNode* getElemInstrNode,
- vector<ConstPoolVal*>& chainIdxVec)
-{
- MemAccessInst* getElemInst = (MemAccessInst*)
- getElemInstrNode->getInstruction();
-
- // Initialize return values from the incoming instruction
- Value* ptrVal = getElemInst->getPtrOperand();
- chainIdxVec = getElemInst->getIndexVec(); // copies index vector values
-
- // Now chase the chain of getElementInstr instructions, if any
- InstrTreeNode* ptrChild = getElemInstrNode->leftChild();
- while (ptrChild->getOpLabel() == Instruction::GetElementPtr ||
- ptrChild->getOpLabel() == GetElemPtrIdx)
- {
- // Child is a GetElemPtr instruction
- getElemInst = (MemAccessInst*)
- ((InstructionNode*) ptrChild)->getInstruction();
- const vector<ConstPoolVal*>& idxVec = getElemInst->getIndexVec();
-
- // Get the pointer value out of ptrChild and *prepend* its index vector
- ptrVal = getElemInst->getPtrOperand();
- chainIdxVec.insert(chainIdxVec.begin(), idxVec.begin(), idxVec.end());
-
- ptrChild = ptrChild->leftChild();
- }
-
- return ptrVal;
-}
-
-
//*********************** Private Functions *****************************/