Import of skeletal PowerPC backend I have had laying around for months...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10937 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 53 insertions, 0 deletions

diff --git a/lib/Target/PowerPC/PowerPCTargetMachine.cpp b/lib/Target/PowerPC/PowerPCTargetMachine.cpp
new file mode 100644
index 0000000000..11b5a799b1
--- /dev/null
+++ b/lib/Target/PowerPC/PowerPCTargetMachine.cpp
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+//===-- PowerPCTargetMachine.cpp - Define TargetMachine for PowerPC -------===//
+// 
+//                     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.
+// 
+//===----------------------------------------------------------------------===//
+// 
+//
+//===----------------------------------------------------------------------===//
+
+#include "PowerPCTargetMachine.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.h"
+#include "llvm/Target/TargetMachineImpls.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/Passes.h"
+
+namespace llvm {
+
+// allocatePowerPCTargetMachine - Allocate and return a subclass of 
+// TargetMachine that implements the PowerPC backend.
+//
+TargetMachine *allocatePowerPCTargetMachine(const Module &M,
+                                            IntrinsicLowering *IL) {
+  return new PowerPCTargetMachine(M, IL);
+}
+
+/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
+///
+PowerPCTargetMachine::PowerPCTargetMachine(const Module &M,
+                                           IntrinsicLowering *IL)
+  : TargetMachine("PowerPC", IL, true, 4, 4, 4, 4, 4),
+    FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 4) {
+}
+
+// addPassesToEmitAssembly - We currently use all of the same passes as the JIT
+// does to emit statically compiled machine code.
+bool PowerPCTargetMachine::addPassesToEmitAssembly(PassManager &PM,
+					       std::ostream &Out) {
+  return true;
+}
+
+/// addPassesToJITCompile - Add passes to the specified pass manager to
+/// implement a fast dynamic compiler for this target.  Return true if this is
+/// not supported for this target.
+///
+bool PowerPCTargetMachine::addPassesToJITCompile(FunctionPassManager &PM) {
+  return true;
+}
+
+} // end namespace llvm