Don't #include heavy Dominators.h file in LoopInfo.h. This change reduces

overall time of LLVM compilation by ~1%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196667 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 7 insertions, 1 deletions

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 582c97cf56..0fb21aa4e4 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -33,8 +33,10 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/GraphTraits.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Analysis/Dominators.h"
+#include "llvm/IR/Instruction.h"
+#include "llvm/Support/CFG.h"
 #include "llvm/Pass.h"
 #include <algorithm>
 
@@ -53,6 +55,7 @@ class Loop;
 class MDNode;
 class PHINode;
 class raw_ostream;
+template<class N> class DominatorTreeBase;
 template<class N, class M> class LoopInfoBase;
 template<class N, class M> class LoopBase;
 
diff --git a/include/llvm/Analysis/LoopInfoImpl.h b/include/llvm/Analysis/LoopInfoImpl.h
index c98cb58910..934f7cf9a0 100644
--- a/include/llvm/Analysis/LoopInfoImpl.h
+++ b/include/llvm/Analysis/LoopInfoImpl.h
@@ -15,8 +15,10 @@
 #ifndef LLVM_ANALYSIS_LOOPINFOIMPL_H
 #define LLVM_ANALYSIS_LOOPINFOIMPL_H
 
+#include "llvm/ADT/DepthFirstIterator.h"
 #include "llvm/ADT/PostOrderIterator.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/LoopInfo.h"
 
 namespace llvm {
diff --git a/include/llvm/CodeGen/MachineLoopInfo.h b/include/llvm/CodeGen/MachineLoopInfo.h
index b058ecb4c2..4b8e245840 100644
--- a/include/llvm/CodeGen/MachineLoopInfo.h
+++ b/include/llvm/CodeGen/MachineLoopInfo.h
@@ -31,6 +31,7 @@
 #define LLVM_CODEGEN_MACHINELOOPINFO_H
 
 #include "llvm/Analysis/LoopInfo.h"
+#include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 
 namespace llvm {