[PM] Port EliminateAvailableExternally pass to the new pass manager.
llvm-svn: 268599
diff --git a/llvm/lib/Transforms/IPO/ElimAvailExtern.cpp b/llvm/lib/Transforms/IPO/ElimAvailExtern.cpp
index 083debc..b3ca10b 100644
--- a/llvm/lib/Transforms/IPO/ElimAvailExtern.cpp
+++ b/llvm/lib/Transforms/IPO/ElimAvailExtern.cpp
@@ -13,10 +13,11 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/Transforms/IPO.h"
+#include "llvm/Transforms/IPO/ElimAvailExtern.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Module.h"
+#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Utils/GlobalStatus.h"
#include "llvm/Pass.h"
using namespace llvm;
@@ -26,33 +27,7 @@
STATISTIC(NumFunctions, "Number of functions removed");
STATISTIC(NumVariables, "Number of global variables removed");
-namespace {
-struct EliminateAvailableExternally : public ModulePass {
- static char ID; // Pass identification, replacement for typeid
- EliminateAvailableExternally() : ModulePass(ID) {
- initializeEliminateAvailableExternallyPass(
- *PassRegistry::getPassRegistry());
- }
-
- // run - Do the EliminateAvailableExternally pass on the specified module,
- // optionally updating the specified callgraph to reflect the changes.
- //
- bool runOnModule(Module &M) override;
-};
-}
-
-char EliminateAvailableExternally::ID = 0;
-INITIALIZE_PASS(EliminateAvailableExternally, "elim-avail-extern",
- "Eliminate Available Externally Globals", false, false)
-
-ModulePass *llvm::createEliminateAvailableExternallyPass() {
- return new EliminateAvailableExternally();
-}
-
-bool EliminateAvailableExternally::runOnModule(Module &M) {
- if (skipModule(M))
- return false;
-
+static bool eliminateAvailableExternally(Module &M) {
bool Changed = false;
// Drop initializers of available externally global variables.
@@ -85,3 +60,36 @@
return Changed;
}
+
+PreservedAnalyses EliminateAvailableExternallyPass::run(Module &M) {
+ if (!eliminateAvailableExternally(M))
+ return PreservedAnalyses::all();
+ return PreservedAnalyses::none();
+}
+
+namespace {
+struct EliminateAvailableExternallyLegacyPass : public ModulePass {
+ static char ID; // Pass identification, replacement for typeid
+ EliminateAvailableExternallyLegacyPass() : ModulePass(ID) {
+ initializeEliminateAvailableExternallyLegacyPassPass(
+ *PassRegistry::getPassRegistry());
+ }
+
+ // run - Do the EliminateAvailableExternally pass on the specified module,
+ // optionally updating the specified callgraph to reflect the changes.
+ //
+ bool runOnModule(Module &M) {
+ if (skipModule(M))
+ return false;
+ return eliminateAvailableExternally(M);
+ }
+};
+}
+
+char EliminateAvailableExternallyLegacyPass::ID = 0;
+INITIALIZE_PASS(EliminateAvailableExternallyLegacyPass, "elim-avail-extern",
+ "Eliminate Available Externally Globals", false, false)
+
+ModulePass *llvm::createEliminateAvailableExternallyPass() {
+ return new EliminateAvailableExternallyLegacyPass();
+}
diff --git a/llvm/lib/Transforms/IPO/IPO.cpp b/llvm/lib/Transforms/IPO/IPO.cpp
index 8cdefe3..fc75768 100644
--- a/llvm/lib/Transforms/IPO/IPO.cpp
+++ b/llvm/lib/Transforms/IPO/IPO.cpp
@@ -51,7 +51,7 @@
initializeStripDeadDebugInfoPass(Registry);
initializeStripNonDebugSymbolsPass(Registry);
initializeBarrierNoopPass(Registry);
- initializeEliminateAvailableExternallyPass(Registry);
+ initializeEliminateAvailableExternallyLegacyPassPass(Registry);
initializeSampleProfileLoaderPass(Registry);
initializeFunctionImportPassPass(Registry);
initializeWholeProgramDevirtPass(Registry);