[llvm] 49999d4 - [VPlan] Replace a few unnecessary includes with forward decls.

[Florian Hahn via llvm-commits]

Author: Florian Hahn
Date: 2021-04-15T20:08:31+01:00
New Revision: 49999d4364c1192c669c86c2b9c67156255d4485

URL: https://github.com/llvm/llvm-project/commit/49999d4364c1192c669c86c2b9c67156255d4485
DIFF: https://github.com/llvm/llvm-project/commit/49999d4364c1192c669c86c2b9c67156255d4485.diff

LOG: [VPlan] Replace a few unnecessary includes with forward decls.

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
    llvm/lib/Transforms/Vectorize/VPlanTransforms.h

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
index d5306e556e14..809cd808f233 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationPlanner.h
@@ -25,18 +25,18 @@
 #define LLVM_TRANSFORMS_VECTORIZE_LOOPVECTORIZATIONPLANNER_H
 
 #include "VPlan.h"
-#include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Analysis/TargetLibraryInfo.h"
-#include "llvm/Analysis/TargetTransformInfo.h"
 
 namespace llvm {
 
+class LoopInfo;
 class LoopVectorizationLegality;
 class LoopVectorizationCostModel;
 class PredicatedScalarEvolution;
 class LoopVectorizationRequirements;
 class LoopVectorizeHints;
 class OptimizationRemarkEmitter;
+class TargetTransformInfo;
+class TargetLibraryInfo;
 class VPRecipeBuilder;
 
 /// VPlan-based builder utility analogous to IRBuilder.

diff  --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.h b/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
index 976122ebd110..dac4f59c13d9 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.h
@@ -14,11 +14,13 @@
 #define LLVM_TRANSFORMS_VECTORIZE_VPLANTRANSFORMS_H
 
 #include "VPlan.h"
-#include "llvm/IR/Instruction.h"
 #include "llvm/Transforms/Vectorize/LoopVectorizationLegality.h"
 
 namespace llvm {
 
+class Instruction;
+class ScalarEvolution;
+
 struct VPlanTransforms {
   /// Replaces the VPInstructions in \p Plan with corresponding
   /// widen recipes.