moves doInitialization and doFinalization to the Pass class and removes some unreachable code in MachineModuleInfo

reviewed by Evan Cheng <evan.cheng@apple.com>



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169164 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 6 insertions, 20 deletions

diff --git a/lib/VMCore/Pass.cpp b/lib/VMCore/Pass.cpp
index 9d0ed488425..ec448e6420d 100644
--- a/lib/VMCore/Pass.cpp
+++ b/lib/VMCore/Pass.cpp
@@ -133,16 +133,6 @@ Pass *FunctionPass::createPrinterPass(raw_ostream &O,
   return createPrintFunctionPass(Banner, &O);
 }
 
-bool FunctionPass::doInitialization(Module &) {
-  // By default, don't do anything.
-  return false;
-}
-
-bool FunctionPass::doFinalization(Module &) {
-  // By default, don't do anything.
-  return false;
-}
-
 PassManagerType FunctionPass::getPotentialPassManagerType() const {
   return PMT_FunctionPassManager;
 }
@@ -157,11 +147,6 @@ Pass *BasicBlockPass::createPrinterPass(raw_ostream &O,
   llvm_unreachable("BasicBlockPass printing unsupported.");
 }
 
-bool BasicBlockPass::doInitialization(Module &) {
-  // By default, don't do anything.
-  return false;
-}
-
 bool BasicBlockPass::doInitialization(Function &) {
   // By default, don't do anything.
   return false;
@@ -172,11 +157,6 @@ bool BasicBlockPass::doFinalization(Function &) {
   return false;
 }
 
-bool BasicBlockPass::doFinalization(Module &) {
-  // By default, don't do anything.
-  return false;
-}
-
 PassManagerType BasicBlockPass::getPotentialPassManagerType() const {
   return PMT_BasicBlockPassManager;
 }
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 069bd356ad7..875ab5cad7d 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -309,6 +309,9 @@ public:
   /// whether any of the passes modifies the module, and if so, return true.
   bool runOnModule(Module &M);
 
+  using llvm::Pass::doInitialization;
+  using llvm::Pass::doFinalization;
+
   /// doInitialization - Run all of the initializers for the module passes.
   ///
   bool doInitialization();
@@ -402,6 +405,9 @@ public:
   /// whether any of the passes modifies the module, and if so, return true.
   bool run(Module &M);
 
+  using llvm::Pass::doInitialization;
+  using llvm::Pass::doFinalization;
+
   /// doInitialization - Run all of the initializers for the module passes.
   ///
   bool doInitialization();