InstCombiner.h - remove unnecessary KnownBits.h include. NFCI.

Move the include down to cpp files with an implicit dependency.

llvm/include/llvm/Transforms/InstCombine/InstCombiner.h

@@ -24,7 +24,6 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/PatternMatch.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/KnownBits.h"
 #include "llvm/Transforms/InstCombine/InstCombineWorklist.h"
 #include <cassert>
 

llvm/lib/Target/AMDGPU/AMDGPUInstCombineIntrinsic.cpp

@@ -15,6 +15,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "AMDGPUTargetTransformInfo.h"
+#include "llvm/Support/KnownBits.h"
 #include "llvm/Transforms/InstCombine/InstCombiner.h"
 
 using namespace llvm;

llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp

@@ -26,6 +26,7 @@
 #include "llvm/IR/Type.h"
 #include "llvm/MC/SubtargetFeature.h"
 #include "llvm/Support/Casting.h"
+#include "llvm/Support/KnownBits.h"
 #include "llvm/Support/MachineValueType.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Transforms/InstCombine/InstCombiner.h"

llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp

@@ -17,6 +17,7 @@
 #include "llvm/IR/IntrinsicsPowerPC.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/KnownBits.h"
 #include "llvm/Transforms/InstCombine/InstCombiner.h"
 #include "llvm/Transforms/Utils/Local.h"
 

llvm/lib/Target/X86/X86InstCombineIntrinsic.cpp

@@ -16,6 +16,7 @@
 #include "X86TargetTransformInfo.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/IntrinsicsX86.h"
+#include "llvm/Support/KnownBits.h"
 #include "llvm/Transforms/InstCombine/InstCombiner.h"
 
 using namespace llvm;