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/X86/X86IntelAsmPrinter.h b/lib/Target/X86/X86IntelAsmPrinter.h
new file mode 100755
index 0000000..9ad11ff
--- /dev/null
+++ b/lib/Target/X86/X86IntelAsmPrinter.h
@@ -0,0 +1,112 @@
+//===-- X86IntelAsmPrinter.h - Convert X86 LLVM code to Intel assembly ----===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+//
+// Intel assembly code printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86INTELASMPRINTER_H
+#define X86INTELASMPRINTER_H
+
+#include "X86AsmPrinter.h"
+#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/Target/MRegisterInfo.h"
+
+namespace llvm {
+
+struct X86IntelAsmPrinter : public X86SharedAsmPrinter {
+  X86IntelAsmPrinter(std::ostream &O, X86TargetMachine &TM,
+                     const TargetAsmInfo *T)
+      : X86SharedAsmPrinter(O, TM, T) {
+  }
+
+  virtual const char *getPassName() const {
+    return "X86 Intel-Style Assembly Printer";
+  }
+
+  /// printInstruction - This method is automatically generated by tablegen
+  /// from the instruction set description.  This method returns true if the
+  /// machine instruction was sufficiently described to print it, otherwise it
+  /// returns false.
+  bool printInstruction(const MachineInstr *MI);
+
+  // This method is used by the tablegen'erated instruction printer.
+  void printOperand(const MachineInstr *MI, unsigned OpNo,
+                    const char *Modifier = 0) {
+    const MachineOperand &MO = MI->getOperand(OpNo);
+    if (MO.isRegister()) {
+      assert(MRegisterInfo::isPhysicalRegister(MO.getReg()) && "Not physreg??");
+      O << TM.getRegisterInfo()->get(MO.getReg()).Name;
+    } else {
+      printOp(MO, Modifier);
+    }
+  }
+
+  void printi8mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "BYTE PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printi16mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "WORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printi32mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "DWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printi64mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "QWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printi128mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "XMMWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printf32mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "DWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printf64mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "QWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printf128mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "XMMWORD PTR ";
+    printMemReference(MI, OpNo);
+  }
+  void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
+    O << "QWORD PTR ";
+    printMemReference(MI, OpNo, "subreg64");
+  }
+
+  bool printAsmMRegister(const MachineOperand &MO, const char Mode);
+  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
+                       unsigned AsmVariant, const char *ExtraCode);
+  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
+                             unsigned AsmVariant, const char *ExtraCode);
+  void printMachineInstruction(const MachineInstr *MI);
+  void printOp(const MachineOperand &MO, const char *Modifier = 0);
+  void printSSECC(const MachineInstr *MI, unsigned Op);
+  void printMemReference(const MachineInstr *MI, unsigned Op,
+                         const char *Modifier=NULL);
+  void printPICLabel(const MachineInstr *MI, unsigned Op);
+  bool runOnMachineFunction(MachineFunction &F);
+  bool doInitialization(Module &M);
+  bool doFinalization(Module &M);
+  
+  /// getSectionForFunction - Return the section that we should emit the
+  /// specified function body into.
+  virtual std::string getSectionForFunction(const Function &F) const;
+
+  virtual void EmitString(const ConstantArray *CVA) const;
+};
+
+} // end namespace llvm
+
+#endif