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/X86ATTAsmPrinter.h b/lib/Target/X86/X86ATTAsmPrinter.h
new file mode 100755
index 0000000..a3bdce9
--- /dev/null
+++ b/lib/Target/X86/X86ATTAsmPrinter.h
@@ -0,0 +1,87 @@
+//===-- X86ATTAsmPrinter.h - Convert X86 LLVM code to AT&T 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// AT&T assembly code printer class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86ATTASMPRINTER_H
+#define X86ATTASMPRINTER_H
+
+#include "X86AsmPrinter.h"
+#include "llvm/CodeGen/ValueTypes.h"
+
+namespace llvm {
+
+struct X86ATTAsmPrinter : public X86SharedAsmPrinter {
+ X86ATTAsmPrinter(std::ostream &O, X86TargetMachine &TM, const TargetAsmInfo *T)
+    : X86SharedAsmPrinter(O, TM, T) { }
+
+  virtual const char *getPassName() const {
+    return "X86 AT&T-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);
+
+  // These methods are used by the tablegen'erated instruction printer.
+  void printOperand(const MachineInstr *MI, unsigned OpNo,
+                    const char *Modifier = 0, bool NotRIPRel = false);
+  void printi8mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printi16mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printi32mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printi64mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printi128mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printf32mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printf64mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printf128mem(const MachineInstr *MI, unsigned OpNo) {
+    printMemReference(MI, OpNo);
+  }
+  void printlea64_32mem(const MachineInstr *MI, unsigned OpNo) {
+    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 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);
+  
+  /// getSectionForFunction - Return the section that we should emit the
+  /// specified function body into.
+  virtual std::string getSectionForFunction(const Function &F) const;
+};
+
+} // end namespace llvm
+
+#endif