From 5b98db607b5d4556fa956c9b52584e2e7f554c78 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Wed, 11 Feb 2015 17:11:50 +0000
Subject: [PATCH] R600: Create an R600TargetMachine for pre-gcn GPUs

No functinality change. R600TargetMachine inherits from
AMDGPUTargetMachine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228849 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/R600/AMDGPUTargetMachine.cpp | 39 +++++++++++++++----------
 lib/Target/R600/AMDGPUTargetMachine.h   | 12 ++++++++
 2 files changed, 36 insertions(+), 15 deletions(-)

diff --git a/lib/Target/R600/AMDGPUTargetMachine.cpp b/lib/Target/R600/AMDGPUTargetMachine.cpp
index 14c8a841f19..6f115f0da68 100644
--- a/lib/Target/R600/AMDGPUTargetMachine.cpp
+++ b/lib/Target/R600/AMDGPUTargetMachine.cpp
@@ -39,7 +39,7 @@ using namespace llvm;
 
 extern "C" void LLVMInitializeR600Target() {
   // Register the target
-  RegisterTargetMachine<AMDGPUTargetMachine> X(TheAMDGPUTarget);
+  RegisterTargetMachine<R600TargetMachine> X(TheAMDGPUTarget);
   RegisterTargetMachine<GCNTargetMachine> Y(TheGCNTarget);
 }
 
@@ -83,6 +83,29 @@ AMDGPUTargetMachine::~AMDGPUTargetMachine() {
   delete TLOF;
 }
 
+//===----------------------------------------------------------------------===//
+// R600 Target Machine (R600 -> Cayman)
+//===----------------------------------------------------------------------===//
+
+R600TargetMachine::R600TargetMachine(const Target &T, StringRef TT, StringRef FS,
+                    StringRef CPU, TargetOptions Options, Reloc::Model RM,
+                    CodeModel::Model CM, CodeGenOpt::Level OL) :
+    AMDGPUTargetMachine(T, TT, FS, CPU, Options, RM, CM, OL) { }
+
+
+//===----------------------------------------------------------------------===//
+// GCN Target Machine (SI+)
+//===----------------------------------------------------------------------===//
+
+GCNTargetMachine::GCNTargetMachine(const Target &T, StringRef TT, StringRef FS,
+                    StringRef CPU, TargetOptions Options, Reloc::Model RM,
+                    CodeModel::Model CM, CodeGenOpt::Level OL) :
+    AMDGPUTargetMachine(T, TT, FS, CPU, Options, RM, CM, OL) { }
+
+//===----------------------------------------------------------------------===//
+// AMDGPU Pass Setup
+//===----------------------------------------------------------------------===//
+
 namespace {
 class AMDGPUPassConfig : public TargetPassConfig {
 public:
@@ -116,10 +139,6 @@ TargetPassConfig *AMDGPUTargetMachine::createPassConfig(PassManagerBase &PM) {
   return new AMDGPUPassConfig(this, PM);
 }
 
-//===----------------------------------------------------------------------===//
-// AMDGPU Pass Setup
-//===----------------------------------------------------------------------===//
-
 TargetIRAnalysis AMDGPUTargetMachine::getTargetIRAnalysis() {
   return TargetIRAnalysis(
       [this](Function &F) { return TargetTransformInfo(AMDGPUTTIImpl(this)); });
@@ -234,13 +253,3 @@ void AMDGPUPassConfig::addPreEmitPass() {
     addPass(createSILowerControlFlowPass(*TM), false);
   }
 }
-
-
-//===----------------------------------------------------------------------===//
-// GCN Target Machine (SI+)
-//===----------------------------------------------------------------------===//
-
-GCNTargetMachine::GCNTargetMachine(const Target &T, StringRef TT, StringRef FS,
-                    StringRef CPU, TargetOptions Options, Reloc::Model RM,
-                    CodeModel::Model CM, CodeGenOpt::Level OL) :
-    AMDGPUTargetMachine(T, TT, FS, CPU, Options, RM, CM, OL) { }
diff --git a/lib/Target/R600/AMDGPUTargetMachine.h b/lib/Target/R600/AMDGPUTargetMachine.h
index 2f3cc4a0136..83ffd22ec97 100644
--- a/lib/Target/R600/AMDGPUTargetMachine.h
+++ b/lib/Target/R600/AMDGPUTargetMachine.h
@@ -62,6 +62,18 @@ public:
   }
 };
 
+//===----------------------------------------------------------------------===//
+// R600 Target Machine (R600 -> Cayman)
+//===----------------------------------------------------------------------===//
+
+class R600TargetMachine : public AMDGPUTargetMachine {
+
+public:
+  R600TargetMachine(const Target &T, StringRef TT, StringRef FS,
+                    StringRef CPU, TargetOptions Options, Reloc::Model RM,
+                    CodeModel::Model CM, CodeGenOpt::Level OL);
+};
+
 //===----------------------------------------------------------------------===//
 // GCN Target Machine (SI+)
 //===----------------------------------------------------------------------===//
-- 
2.34.1