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/Sparc/SparcTargetMachine.h b/lib/Target/Sparc/SparcTargetMachine.h
new file mode 100644
index 0000000..cec0a44
--- /dev/null
+++ b/lib/Target/Sparc/SparcTargetMachine.h
@@ -0,0 +1,57 @@
+//===-- SparcTargetMachine.h - Define TargetMachine for Sparc ---*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares the Sparc specific subclass of TargetMachine.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef SPARCTARGETMACHINE_H
+#define SPARCTARGETMACHINE_H
+
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetFrameInfo.h"
+#include "SparcInstrInfo.h"
+#include "SparcSubtarget.h"
+
+namespace llvm {
+
+class Module;
+
+class SparcTargetMachine : public LLVMTargetMachine {
+  const TargetData DataLayout;       // Calculates type size & alignment
+  SparcSubtarget Subtarget;
+  SparcInstrInfo InstrInfo;
+  TargetFrameInfo FrameInfo;
+  
+protected:
+  virtual const TargetAsmInfo *createTargetAsmInfo() const;
+  
+public:
+  SparcTargetMachine(const Module &M, const std::string &FS);
+
+  virtual const SparcInstrInfo *getInstrInfo() const { return &InstrInfo; }
+  virtual const TargetFrameInfo  *getFrameInfo() const { return &FrameInfo; }
+  virtual const TargetSubtarget  *getSubtargetImpl() const{ return &Subtarget; }
+  virtual const MRegisterInfo *getRegisterInfo() const {
+    return &InstrInfo.getRegisterInfo();
+  }
+  virtual const TargetData       *getTargetData() const { return &DataLayout; }
+  static unsigned getModuleMatchQuality(const Module &M);
+
+  // Pass Pipeline Configuration
+  virtual bool addInstSelector(FunctionPassManager &PM, bool Fast);
+  virtual bool addPreEmitPass(FunctionPassManager &PM, bool Fast);
+  virtual bool addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
+                                  std::ostream &Out);
+};
+
+} // end namespace llvm
+
+#endif