AMDGPU: Use GCNTargetMachine in AMDGPUCodeGenPassBuilder

R600 has a separate CodeGenPassBuilder anyway.

Author: arsenm

llvm/lib/Target/AMDGPU/AMDGPUCodeGenPassBuilder.cpp

@@ -15,7 +15,7 @@
 using namespace llvm;
 
 AMDGPUCodeGenPassBuilder::AMDGPUCodeGenPassBuilder(
-    AMDGPUTargetMachine &TM, const CGPassBuilderOption &Opts,
+    GCNTargetMachine &TM, const CGPassBuilderOption &Opts,
     PassInstrumentationCallbacks *PIC)
     : CodeGenPassBuilder(TM, Opts, PIC) {
   Opt.RequiresCodeGenSCCOrder = true;

llvm/lib/Target/AMDGPU/AMDGPUCodeGenPassBuilder.h

@@ -14,12 +14,12 @@
 
 namespace llvm {
 
-class AMDGPUTargetMachine;
+class GCNTargetMachine;
 
 class AMDGPUCodeGenPassBuilder
-    : public CodeGenPassBuilder<AMDGPUCodeGenPassBuilder, AMDGPUTargetMachine> {
+    : public CodeGenPassBuilder<AMDGPUCodeGenPassBuilder, GCNTargetMachine> {
 public:
-  AMDGPUCodeGenPassBuilder(AMDGPUTargetMachine &TM,
+  AMDGPUCodeGenPassBuilder(GCNTargetMachine &TM,
                            const CGPassBuilderOption &Opts,
                            PassInstrumentationCallbacks *PIC);
 

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.cpp

@@ -660,14 +660,6 @@ parseAMDGPUAtomicOptimizerStrategy(StringRef Params) {
   return make_error<StringError>("invalid parameter", inconvertibleErrorCode());
 }
 
-Error AMDGPUTargetMachine::buildCodeGenPipeline(
-    ModulePassManager &MPM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut,
-    CodeGenFileType FileType, const CGPassBuilderOption &Opts,
-    PassInstrumentationCallbacks *PIC) {
-  AMDGPUCodeGenPassBuilder CGPB(*this, Opts, PIC);
-  return CGPB.buildPipeline(MPM, Out, DwoOut, FileType);
-}
-
 void AMDGPUTargetMachine::registerPassBuilderCallbacks(PassBuilder &PB) {
 
 #define GET_PASS_REGISTRY "AMDGPUPassRegistry.def"
@@ -900,6 +892,14 @@ GCNTargetMachine::getTargetTransformInfo(const Function &F) const {
   return TargetTransformInfo(GCNTTIImpl(this, F));
 }
 
+Error GCNTargetMachine::buildCodeGenPipeline(
+    ModulePassManager &MPM, raw_pwrite_stream &Out, raw_pwrite_stream *DwoOut,
+    CodeGenFileType FileType, const CGPassBuilderOption &Opts,
+    PassInstrumentationCallbacks *PIC) {
+  AMDGPUCodeGenPassBuilder CGPB(*this, Opts, PIC);
+  return CGPB.buildPipeline(MPM, Out, DwoOut, FileType);
+}
+
 //===----------------------------------------------------------------------===//
 // AMDGPU Pass Setup
 //===----------------------------------------------------------------------===//

llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h

@@ -52,12 +52,6 @@ class AMDGPUTargetMachine : public LLVMTargetMachine {
     return TLOF.get();
   }
 
-  Error buildCodeGenPipeline(ModulePassManager &MPM, raw_pwrite_stream &Out,
-                             raw_pwrite_stream *DwoOut,
-                             CodeGenFileType FileType,
-                             const CGPassBuilderOption &Opts,
-                             PassInstrumentationCallbacks *PIC) override;
-
   void registerPassBuilderCallbacks(PassBuilder &PB) override;
   void registerDefaultAliasAnalyses(AAManager &) override;
 
@@ -103,6 +97,12 @@ class GCNTargetMachine final : public AMDGPUTargetMachine {
     return true;
   }
 
+  Error buildCodeGenPipeline(ModulePassManager &MPM, raw_pwrite_stream &Out,
+                             raw_pwrite_stream *DwoOut,
+                             CodeGenFileType FileType,
+                             const CGPassBuilderOption &Opts,
+                             PassInstrumentationCallbacks *PIC) override;
+
   void registerMachineRegisterInfoCallback(MachineFunction &MF) const override;
 
   MachineFunctionInfo *