Initial support for machine code emission
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4866 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
new file mode 100644
index 0000000..ba82503
--- /dev/null
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -0,0 +1,36 @@
+//===-- X86/MachineCodeEmitter.cpp - Convert X86 code to machine code -----===//
+//
+// This file contains the pass that transforms the X86 machine instructions into
+// actual executable machine code.
+//
+//===----------------------------------------------------------------------===//
+
+#include "X86TargetMachine.h"
+#include "llvm/PassManager.h"
+#include "llvm/CodeGen/MachineCodeEmitter.h"
+
+namespace {
+ struct Emitter : public FunctionPass {
+ TargetMachine &TM;
+ MachineCodeEmitter &MCE;
+
+ Emitter(TargetMachine &tm, MachineCodeEmitter &mce) : TM(tm), MCE(mce) {}
+ ~Emitter() {
+ }
+
+ bool runOnFunction(Function &F) { return false; }
+ };
+}
+
+
+/// addPassesToEmitMachineCode - Add passes to the specified pass manager to get
+/// machine code emitted. This uses a MAchineCodeEmitter object to handle
+/// actually outputting the machine code and resolving things like the address
+/// of functions. This method should returns true if machine code emission is
+/// not supported.
+///
+bool X86TargetMachine::addPassesToEmitMachineCode(PassManager &PM,
+ MachineCodeEmitter &MCE) {
+ PM.add(new Emitter(*this, MCE));
+ return false;
+}