It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMachineFunctionInfo.h b/lib/Target/PowerPC/PPCMachineFunctionInfo.h
new file mode 100644
index 0000000..e227456
--- /dev/null
+++ b/lib/Target/PowerPC/PPCMachineFunctionInfo.h
@@ -0,0 +1,50 @@
+//===-- PPCMachineFunctionInfo.h - Private data used for PowerPC --*- C++ -*-=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the PowerPC specific subclass of MachineFunctionInfo.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef PPC_MACHINE_FUNCTION_INFO_H
+#define PPC_MACHINE_FUNCTION_INFO_H
+
+#include "llvm/CodeGen/MachineFunction.h"
+
+namespace llvm {
+
+/// PPCFunctionInfo - This class is derived from MachineFunction private
+/// PowerPC target-specific information for each MachineFunction.
+class PPCFunctionInfo : public MachineFunctionInfo {
+private:
+ /// FramePointerSaveIndex - Frame index of where the old frame pointer is
+ /// stored. Also used as an anchor for instructions that need to be altered
+ /// when using frame pointers (dyna_add, dyna_sub.)
+ int FramePointerSaveIndex;
+
+ /// UsesLR - Indicates whether LR is used in the current function.
+ ///
+ bool UsesLR;
+
+public:
+ PPCFunctionInfo(MachineFunction& MF)
+ : FramePointerSaveIndex(0)
+ {}
+
+ int getFramePointerSaveIndex() const { return FramePointerSaveIndex; }
+ void setFramePointerSaveIndex(int Idx) { FramePointerSaveIndex = Idx; }
+
+ void setUsesLR(bool U) { UsesLR = U; }
+ bool usesLR() { return UsesLR; }
+
+};
+
+} // end of namespace llvm
+
+
+#endif