Expand DYNAMIC_STACKALLOC nodes rather than doing custom-lowering.

The frame object which points to the dynamically allocated area will not be
needed after changes are made to cease reserving call frames.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161076 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 13 deletions

diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index 9f1c85de1c..df3c4c0de0 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -48,7 +48,6 @@ class MipsFunctionInfo : public MachineFunctionInfo {
   // OutArgFIRange: Range of indices of all frame objects created during call to
   //                LowerCall except for the frame object for restoring $gp.
   std::pair<int, int> InArgFIRange, OutArgFIRange;
-  mutable int DynAllocFI; // Frame index of dynamically allocated stack area.
   unsigned MaxCallFrameSize;
 
   bool EmitNOAT;
@@ -57,8 +56,7 @@ public:
   MipsFunctionInfo(MachineFunction& MF)
   : MF(MF), SRetReturnReg(0), GlobalBaseReg(0),
     VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)),
-    OutArgFIRange(std::make_pair(-1, 0)), DynAllocFI(0),
-    MaxCallFrameSize(0), EmitNOAT(false)
+    OutArgFIRange(std::make_pair(-1, 0)), MaxCallFrameSize(0), EmitNOAT(false)
   {}
 
   bool isInArgFI(int FI) const {
@@ -76,16 +74,6 @@ public:
     OutArgFIRange.second = LastFI;
   }
 
-  // The first call to this function creates a frame object for dynamically
-  // allocated stack area.
-  int getDynAllocFI() const {
-    if (!DynAllocFI)
-      DynAllocFI = MF.getFrameInfo()->CreateFixedObject(4, 0, true);
-
-    return DynAllocFI;
-  }
-  bool isDynAllocFI(int FI) const { return DynAllocFI && DynAllocFI == FI; }
-
   unsigned getSRetReturnReg() const { return SRetReturnReg; }
   void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }