From c661bd0886ed0bcebedbc2a0ce7896e576a676a6 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sun, 24 Jul 2022 12:27:05 -0700
Subject: [PATCH] [llvm] Remove unused forward declarations (NFC)

---
 llvm/include/llvm/Analysis/MemoryBuiltins.h      | 1 -
 llvm/include/llvm/Analysis/TargetTransformInfo.h | 1 -
 llvm/include/llvm/CodeGen/LiveIntervals.h        | 1 -
 llvm/include/llvm/CodeGen/TargetInstrInfo.h      | 1 -
 llvm/include/llvm/IR/IntrinsicInst.h             | 3 ---
 llvm/include/llvm/Transforms/IPO.h               | 2 --
 6 files changed, 9 deletions(-)

diff --git a/llvm/include/llvm/Analysis/MemoryBuiltins.h b/llvm/include/llvm/Analysis/MemoryBuiltins.h
index 422f63d..5cc85c4 100644
--- a/llvm/include/llvm/Analysis/MemoryBuiltins.h
+++ b/llvm/include/llvm/Analysis/MemoryBuiltins.h
@@ -30,7 +30,6 @@ namespace llvm {
 class AllocaInst;
 class AAResults;
 class Argument;
-class CallInst;
 class ConstantPointerNull;
 class DataLayout;
 class ExtractElementInst;
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfo.h b/llvm/include/llvm/Analysis/TargetTransformInfo.h
index da4410f..6ea6d23 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfo.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfo.h
@@ -49,7 +49,6 @@ class InstCombiner;
 class OptimizationRemarkEmitter;
 class IntrinsicInst;
 class LoadInst;
-class LoopAccessInfo;
 class Loop;
 class LoopInfo;
 class LoopVectorizationLegality;
diff --git a/llvm/include/llvm/CodeGen/LiveIntervals.h b/llvm/include/llvm/CodeGen/LiveIntervals.h
index b26aa77..0c846c6 100644
--- a/llvm/include/llvm/CodeGen/LiveIntervals.h
+++ b/llvm/include/llvm/CodeGen/LiveIntervals.h
@@ -39,7 +39,6 @@ namespace llvm {
 
 extern cl::opt<bool> UseSegmentSetForPhysRegs;
 
-class AAResults;
 class BitVector;
 class LiveIntervalCalc;
 class MachineBlockFrequencyInfo;
diff --git a/llvm/include/llvm/CodeGen/TargetInstrInfo.h b/llvm/include/llvm/CodeGen/TargetInstrInfo.h
index a1c9061..72f69f4 100644
--- a/llvm/include/llvm/CodeGen/TargetInstrInfo.h
+++ b/llvm/include/llvm/CodeGen/TargetInstrInfo.h
@@ -38,7 +38,6 @@
 
 namespace llvm {
 
-class AAResults;
 class DFAPacketizer;
 class InstrItineraryData;
 class LiveIntervals;
diff --git a/llvm/include/llvm/IR/IntrinsicInst.h b/llvm/include/llvm/IR/IntrinsicInst.h
index fc9111a..7eaf8eaa 100644
--- a/llvm/include/llvm/IR/IntrinsicInst.h
+++ b/llvm/include/llvm/IR/IntrinsicInst.h
@@ -1356,9 +1356,6 @@ public:
   }
 };
 
-// Defined in Statepoint.h -- NOT a subclass of IntrinsicInst
-class GCStatepointInst;
-
 /// Common base class for representing values projected from a statepoint.
 /// Currently, the only projections available are gc.result and gc.relocate.
 class GCProjectionInst : public IntrinsicInst {
diff --git a/llvm/include/llvm/Transforms/IPO.h b/llvm/include/llvm/Transforms/IPO.h
index 0b0f30b..52f0bc9 100644
--- a/llvm/include/llvm/Transforms/IPO.h
+++ b/llvm/include/llvm/Transforms/IPO.h
@@ -21,8 +21,6 @@
 namespace llvm {
 
 struct InlineParams;
-class StringRef;
-class ModuleSummaryIndex;
 class ModulePass;
 class Pass;
 class BasicBlock;
-- 
2.7.4