Refactor X86AsmPrinter.cpp into multiple files. Patch contributed
by Aaron Gray, cleaned up by me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22324 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86AsmPrinter.h b/lib/Target/X86/X86AsmPrinter.h
new file mode 100755
index 0000000..3b05ed9
--- /dev/null
+++ b/lib/Target/X86/X86AsmPrinter.h
@@ -0,0 +1,69 @@
+//===-- X86AsmPrinter.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.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file the shared super class printer that converts from our internal
+// representation of machine-dependent LLVM code to Intel and AT&T format
+// assembly language. This printer is the output mechanism used by `llc'.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef X86ASMPRINTER_H
+#define X86ASMPRINTER_H
+
+#include "X86.h"
+#include "llvm/CodeGen/AsmPrinter.h"
+#include "llvm/ADT/Statistic.h"
+
+namespace llvm {
+namespace x86 {
+
+extern Statistic<> EmittedInsts;
+
+struct X86SharedAsmPrinter : public AsmPrinter {
+ X86SharedAsmPrinter(std::ostream &O, TargetMachine &TM)
+ : AsmPrinter(O, TM), forCygwin(false), forDarwin(false) { }
+
+ bool doInitialization(Module &M);
+ void printConstantPool(MachineConstantPool *MCP);
+ bool doFinalization(Module &M);
+
+ bool forCygwin;
+ bool forDarwin;
+
+ inline static bool isScale(const MachineOperand &MO) {
+ return MO.isImmediate() &&
+ (MO.getImmedValue() == 1 || MO.getImmedValue() == 2 ||
+ MO.getImmedValue() == 4 || MO.getImmedValue() == 8);
+ }
+
+ inline static bool isMem(const MachineInstr *MI, unsigned Op) {
+ if (MI->getOperand(Op).isFrameIndex()) return true;
+ if (MI->getOperand(Op).isConstantPoolIndex()) return true;
+ return Op+4 <= MI->getNumOperands() &&
+ MI->getOperand(Op ).isRegister() && isScale(MI->getOperand(Op+1)) &&
+ MI->getOperand(Op+2).isRegister() && (MI->getOperand(Op+3).isImmediate()||
+ MI->getOperand(Op+3).isGlobalAddress());
+ }
+
+ // SwitchSection - Switch to the specified section of the executable if we are
+ // not already in it!
+ inline static void SwitchSection(std::ostream &OS, std::string &CurSection,
+ const char *NewSection) {
+ if (CurSection != NewSection) {
+ CurSection = NewSection;
+ if (!CurSection.empty())
+ OS << "\t" << NewSection << "\n";
+ }
+ }
+};
+
+} // end namespace x86
+} // end namespace llvm
+
+#endif