From 71bed8206b354a08ad88a2c4585eecf2d94cb444 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 24 May 2020 15:27:41 +0100
Subject: [PATCH] AMDGPU.h - reduce TargetMachine.h include. NFC.

Replace TargetMachine.h include with forward declaration and CodeGen.h include in AMDGPU.h.

Exposes a couple of implicit dependencies that require additional forward declarations/includes.
---
 llvm/lib/Target/AMDGPU/AMDGPU.h                      | 3 ++-
 llvm/lib/Target/AMDGPU/AMDGPUFixFunctionBitcasts.cpp | 1 +
 llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h   | 1 +
 llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h          | 1 +
 llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp    | 1 +
 5 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/AMDGPU/AMDGPU.h b/llvm/lib/Target/AMDGPU/AMDGPU.h
index 3022187..66ba6e1 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPU.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPU.h
@@ -10,15 +10,16 @@
 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPU_H
 #define LLVM_LIB_TARGET_AMDGPU_AMDGPU_H
 
-#include "llvm/Target/TargetMachine.h"
 #include "llvm/IR/IntrinsicsR600.h" // TODO: Sink this.
 #include "llvm/IR/IntrinsicsAMDGPU.h" // TODO: Sink this.
+#include "llvm/Support/CodeGen.h"
 
 namespace llvm {
 
 class AMDGPUTargetMachine;
 class FunctionPass;
 class GCNTargetMachine;
+class ImmutablePass;
 class ModulePass;
 class Pass;
 class Target;
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUFixFunctionBitcasts.cpp b/llvm/lib/Target/AMDGPU/AMDGPUFixFunctionBitcasts.cpp
index b74f2a2..ea6c6d0 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUFixFunctionBitcasts.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUFixFunctionBitcasts.cpp
@@ -15,6 +15,7 @@
 
 #include "AMDGPU.h"
 #include "llvm/IR/InstVisitor.h"
+#include "llvm/Pass.h"
 #include "llvm/Transforms/Utils/CallPromotionUtils.h"
 
 using namespace llvm;
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h b/llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h
index 80ac8ca..2618380 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUHSAMetadataStreamer.h
@@ -27,6 +27,7 @@ class AMDGPUTargetStreamer;
 class Argument;
 class DataLayout;
 class Function;
+class MachineFunction;
 class MDNode;
 class Module;
 struct SIProgramInfo;
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
index 3934c75..eaef4c3 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h
@@ -18,6 +18,7 @@
 #include "AMDGPU.h"
 #include "llvm/CodeGen/CallingConvLower.h"
 #include "llvm/CodeGen/TargetLowering.h"
+#include "llvm/Target/TargetMachine.h"
 
 namespace llvm {
 
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp b/llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
index 36bd031..9307973 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
+++ b/llvm/lib/Target/AMDGPU/AMDGPUPerfHintAnalysis.cpp
@@ -28,6 +28,7 @@
 #include "llvm/IR/Module.h"
 #include "llvm/IR/ValueMap.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Target/TargetMachine.h"
 
 using namespace llvm;
 
-- 
2.7.4