--- Reverse-merging r107947 into '.':

U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107987 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 22 deletions

diff --git a/include/llvm/CodeGen/FastISel.h b/include/llvm/CodeGen/FastISel.h
index 7f3a7c7769..c5c457db0c 100644
--- a/include/llvm/CodeGen/FastISel.h
+++ b/include/llvm/CodeGen/FastISel.h
@@ -19,7 +19,6 @@
 #include "llvm/ADT/SmallSet.h"
 #endif
 #include "llvm/CodeGen/ValueTypes.h"
-#include "llvm/CodeGen/MachineBasicBlock.h"
 
 namespace llvm {
 
@@ -45,6 +44,7 @@ class TargetRegisterInfo;
 /// lowering, but runs quickly.
 class FastISel {
 protected:
+  MachineBasicBlock *MBB;
   DenseMap<const Value *, unsigned> LocalValueMap;
   FunctionLoweringInfo &FuncInfo;
   MachineRegisterInfo &MRI;
@@ -56,21 +56,23 @@ protected:
   const TargetInstrInfo &TII;
   const TargetLowering &TLI;
   const TargetRegisterInfo &TRI;
-  MachineInstr *LastLocalValue;
+  bool IsBottomUp;
 
 public:
-  /// getLastLocalValue - Return the position of the last instruction
-  /// emitted for materializing constants for use in the current block.
-  MachineInstr *getLastLocalValue() { return LastLocalValue; }
-
-  /// setLastLocalValue - Update the position of the last instruction
-  /// emitted for materializing constants for use in the current block.
-  void setLastLocalValue(MachineInstr *I) { LastLocalValue = I; }
-
   /// startNewBlock - Set the current block to which generated machine
   /// instructions will be appended, and clear the local CSE map.
   ///
-  void startNewBlock();
+  void startNewBlock(MachineBasicBlock *mbb) {
+    setCurrentBlock(mbb);
+    LocalValueMap.clear();
+  }
+
+  /// setCurrentBlock - Set the current block to which generated machine
+  /// instructions will be appended.
+  ///
+  void setCurrentBlock(MachineBasicBlock *mbb) {
+    MBB = mbb;
+  }
 
   /// getCurDebugLoc() - Return current debug location information.
   DebugLoc getCurDebugLoc() const { return DL; }
@@ -102,17 +104,6 @@ public:
   /// index value.
   std::pair<unsigned, bool> getRegForGEPIndex(const Value *V);
 
-  /// recomputeInsertPt - Reset InsertPt to prepare for insterting instructions
-  /// into the current block.
-  void recomputeInsertPt();
-
-  /// enterLocalValueArea - Prepare InsertPt to begin inserting instructions
-  /// into the local value area and return the old insert position.
-  MachineBasicBlock::iterator enterLocalValueArea();
-
-  /// leaveLocalValueArea - Reset InsertPt to the given old insert position
-  void leaveLocalValueArea(MachineBasicBlock::iterator OldInsertPt);
-
   virtual ~FastISel();
 
 protected: