[IR] Remove Function.h include from Analysis.h (NFC) (llvm#97056)

Use a forward-declaration instead.

Author: nikic

llvm/include/llvm/Analysis/AliasAnalysis.h

@@ -41,6 +41,7 @@
 #include "llvm/ADT/Sequence.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/MemoryLocation.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/ModRef.h"

llvm/include/llvm/Analysis/Delinearization.h

@@ -22,6 +22,7 @@ namespace llvm {
 class raw_ostream;
 template <typename T> class SmallVectorImpl;
 class GetElementPtrInst;
+class Instruction;
 class ScalarEvolution;
 class SCEV;
 

llvm/include/llvm/Analysis/DemandedBits.h

@@ -34,6 +34,8 @@ class Function;
 class Instruction;
 struct KnownBits;
 class raw_ostream;
+class Use;
+class Value;
 
 class DemandedBits {
 public:

llvm/include/llvm/Analysis/DominanceFrontier.h

@@ -29,6 +29,7 @@
 
 namespace llvm {
 
+class BasicBlock;
 class Function;
 class raw_ostream;
 

llvm/include/llvm/Analysis/IVUsers.h

@@ -17,6 +17,7 @@
 #include "llvm/Analysis/LoopAnalysisManager.h"
 #include "llvm/Analysis/LoopPass.h"
 #include "llvm/Analysis/ScalarEvolutionNormalization.h"
+#include "llvm/IR/Instruction.h"
 #include "llvm/IR/ValueHandle.h"
 
 namespace llvm {

llvm/include/llvm/Analysis/LazyValueInfo.h

@@ -19,13 +19,15 @@
 
 namespace llvm {
   class AssumptionCache;
+  class BasicBlock;
   class Constant;
   class ConstantRange;
   class DataLayout;
   class DominatorTree;
   class Instruction;
   class TargetLibraryInfo;
   class Value;
+  class Use;
   class LazyValueInfoImpl;
   /// This pass computes, caches, and vends lazy value constraint information.
   class LazyValueInfo {

llvm/include/llvm/Analysis/LoopAnalysisManager.h

@@ -35,6 +35,8 @@ namespace llvm {
 
 class AAResults;
 class AssumptionCache;
+class BlockFrequencyInfo;
+class BranchProbabilityInfo;
 class DominatorTree;
 class Function;
 class Loop;

llvm/include/llvm/Analysis/OptimizationRemarkEmitter.h

@@ -16,6 +16,7 @@
 
 #include "llvm/Analysis/BlockFrequencyInfo.h"
 #include "llvm/IR/DiagnosticInfo.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Pass.h"
 #include <optional>

llvm/include/llvm/IR/Analysis.h

@@ -13,10 +13,10 @@
 #define LLVM_IR_ANALYSIS_H
 
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/IR/Function.h"
 
 namespace llvm {
 
+class Function;
 class Module;
 
 /// A special type used by analysis passes to provide an address that

llvm/include/llvm/IR/PassManagerImpl.h

@@ -15,6 +15,7 @@
 #ifndef LLVM_IR_PASSMANAGERIMPL_H
 #define LLVM_IR_PASSMANAGERIMPL_H
 
+#include "llvm/IR/Function.h"
 #include "llvm/IR/PassInstrumentation.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/Support/CommandLine.h"

llvm/include/llvm/Transforms/IPO/ExtractGV.h

@@ -13,6 +13,7 @@
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
+class GlobalValue;
 
 class ExtractGVPass : public PassInfoMixin<ExtractGVPass> {
 private:

llvm/include/llvm/Transforms/IPO/HotColdSplitting.h

@@ -19,6 +19,7 @@ namespace llvm {
 
 class Module;
 class ProfileSummaryInfo;
+class BasicBlock;
 class BlockFrequencyInfo;
 class TargetTransformInfo;
 class OptimizationRemarkEmitter;

llvm/include/llvm/Transforms/IPO/Internalize.h

@@ -27,6 +27,8 @@
 #include <functional>
 
 namespace llvm {
+class Comdat;
+class GlobalValue;
 class Module;
 
 /// A pass that internalizes all functions and variables other than those that

llvm/include/llvm/Transforms/IPO/WholeProgramDevirt.h

@@ -14,6 +14,7 @@
 #ifndef LLVM_TRANSFORMS_IPO_WHOLEPROGRAMDEVIRT_H
 #define LLVM_TRANSFORMS_IPO_WHOLEPROGRAMDEVIRT_H
 
+#include "llvm/ADT/DenseSet.h"
 #include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/PassManager.h"
 #include <cassert>

llvm/include/llvm/Transforms/Scalar/AlignmentFromAssumptions.h

@@ -22,9 +22,11 @@
 namespace llvm {
 
 class AssumptionCache;
+class CallInst;
 class DominatorTree;
 class ScalarEvolution;
 class SCEV;
+class Value;
 
 struct AlignmentFromAssumptionsPass
     : public PassInfoMixin<AlignmentFromAssumptionsPass> {

llvm/include/llvm/Transforms/Scalar/ConstantHoisting.h

@@ -42,6 +42,7 @@
 #include "llvm/ADT/PointerUnion.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/PassManager.h"
 #include <algorithm>
 #include <vector>
@@ -59,6 +60,7 @@ class GlobalVariable;
 class Instruction;
 class ProfileSummaryInfo;
 class TargetTransformInfo;
+class TargetTransformInfo;
 
 /// A private "module" namespace for types and utilities used by
 /// ConstantHoisting. These are implementation details and should not be used by

llvm/include/llvm/Transforms/Scalar/MemCpyOptimizer.h

@@ -37,6 +37,7 @@ class MemSetInst;
 class PostDominatorTree;
 class StoreInst;
 class TargetLibraryInfo;
+class TypeSize;
 class Value;
 
 class MemCpyOptPass : public PassInfoMixin<MemCpyOptPass> {

llvm/include/llvm/Transforms/Scalar/Reassociate.h

@@ -25,6 +25,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/SetVector.h"
+#include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/PassManager.h"
 #include "llvm/IR/ValueHandle.h"
 #include <deque>

llvm/include/llvm/Transforms/Scalar/SpeculativeExecution.h

@@ -65,7 +65,9 @@
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
+class BasicBlock;
 class TargetTransformInfo;
+
 class SpeculativeExecutionPass
     : public PassInfoMixin<SpeculativeExecutionPass> {
 public:

llvm/include/llvm/Transforms/Utils/Cloning.h

@@ -21,6 +21,7 @@
 #include "llvm/ADT/Twine.h"
 #include "llvm/Analysis/AssumptionCache.h"
 #include "llvm/Analysis/InlineCost.h"
+#include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/ValueHandle.h"
 #include "llvm/Transforms/Utils/ValueMapper.h"
 #include <functional>

llvm/include/llvm/Transforms/Vectorize/LoopVectorize.h

@@ -67,6 +67,7 @@ class BlockFrequencyInfo;
 class DemandedBits;
 class DominatorTree;
 class Function;
+class Instruction;
 class Loop;
 class LoopAccessInfoManager;
 class LoopInfo;

llvm/include/llvm/Transforms/Vectorize/SLPVectorizer.h

@@ -29,6 +29,7 @@ namespace llvm {
 class AAResults;
 class AssumptionCache;
 class BasicBlock;
+class DataLayout;
 class DemandedBits;
 class DominatorTree;
 class Function;

llvm/lib/CodeGen/AsmPrinter/DwarfCFIException.cpp

@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/IR/Function.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCStreamer.h"

llvm/lib/CodeGen/MachineFunctionAnalysis.cpp

@@ -14,6 +14,7 @@
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Target/TargetMachine.h"
 
 using namespace llvm;

llvm/lib/CodeGen/PseudoSourceValue.cpp

@@ -13,6 +13,7 @@
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/PseudoSourceValueManager.h"
+#include "llvm/IR/GlobalValue.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetMachine.h"

llvm/lib/CodeGen/SafeStackLayout.h

@@ -12,6 +12,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Analysis/StackLifetime.h"
+#include "llvm/Support/Alignment.h"
 
 namespace llvm {
 

llvm/lib/Target/AArch64/AArch64MCInstLower.cpp

@@ -18,6 +18,7 @@
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/Mangler.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"

llvm/lib/Target/AMDGPU/AMDGPUMachineModuleInfo.h

@@ -16,6 +16,7 @@
 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUMACHINEMODULEINFO_H
 
 #include "llvm/CodeGen/MachineModuleInfoImpls.h"
+#include "llvm/IR/LLVMContext.h"
 
 namespace llvm {
 

llvm/lib/Target/WebAssembly/WebAssemblyExceptionInfo.cpp

@@ -20,6 +20,7 @@
 #include "llvm/CodeGen/MachineDominators.h"
 #include "llvm/CodeGen/WasmEHFuncInfo.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/IR/Function.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/Target/TargetMachine.h"
 

llvm/lib/Transforms/Utils/CountVisits.cpp

@@ -8,6 +8,7 @@
 
 #include "llvm/Transforms/Utils/CountVisits.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/IR/Function.h"
 #include "llvm/IR/PassManager.h"
 
 using namespace llvm;

llvm/lib/Transforms/Utils/HelloWorld.cpp

@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/Utils/HelloWorld.h"
+#include "llvm/IR/Function.h"
 
 using namespace llvm;