Add a cost model analysis that allows us to estimate the cost of IR-level instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167324 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 9 insertions, 0 deletions

diff --git a/include/llvm/Analysis/Passes.h b/include/llvm/Analysis/Passes.h
index ff1008b8fd..27726f49bc 100644
--- a/include/llvm/Analysis/Passes.h
+++ b/include/llvm/Analysis/Passes.h
@@ -187,6 +187,13 @@ namespace llvm {
 
   //===--------------------------------------------------------------------===//
   //
+  // createCostModelAnalysisPass - This creates an instance of the
+  // CostModelAnalysis pass.
+  //
+  FunctionPass *createCostModelAnalysisPass();
+
+  //===--------------------------------------------------------------------===//
+  //
   // Minor pass prototypes, allowing us to expose them through bugpoint and
   // analyze.
   FunctionPass *createInstCountPass();
diff --git a/include/llvm/InitializePasses.h b/include/llvm/InitializePasses.h
index 9b8a6bdf54..8c164eb919 100644
--- a/include/llvm/InitializePasses.h
+++ b/include/llvm/InitializePasses.h
@@ -88,6 +88,7 @@ void initializeCodePlacementOptPass(PassRegistry&);
 void initializeConstantMergePass(PassRegistry&);
 void initializeConstantPropagationPass(PassRegistry&);
 void initializeMachineCopyPropagationPass(PassRegistry&);
+void initializeCostModelAnalysisPass(PassRegistry&);
 void initializeCorrelatedValuePropagationPass(PassRegistry&);
 void initializeDAEPass(PassRegistry&);
 void initializeDAHPass(PassRegistry&);
diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index a6d2f29168..806e4b37b7 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -60,6 +60,7 @@ namespace {
       (void) llvm::createCFGSimplificationPass();
       (void) llvm::createConstantMergePass();
       (void) llvm::createConstantPropagationPass();
+      (void) llvm::createCostModelAnalysisPass();
       (void) llvm::createDeadArgEliminationPass();
       (void) llvm::createDeadCodeEliminationPass();
       (void) llvm::createDeadInstEliminationPass();