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
diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h
index 9f1c85d..df3c4c0 100644
--- a/lib/Target/Mips/MipsMachineFunction.h
+++ b/lib/Target/Mips/MipsMachineFunction.h
@@ -48,7 +48,6 @@
// 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 @@
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 @@
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; }