[llvm] r268599 - [PM] Port EliminateAvailableExternally pass to the new pass manager.
Davide Italiano via llvm-commits
llvm-commits at lists.llvm.org
Wed May 4 19:37:34 PDT 2016
Author: davide
Date: Wed May 4 21:37:32 2016
New Revision: 268599
URL: http://llvm.org/viewvc/llvm-project?rev=268599&view=rev
Log:
[PM] Port EliminateAvailableExternally pass to the new pass manager.
Added:
llvm/trunk/include/llvm/Transforms/IPO/ElimAvailExtern.h
Modified:
llvm/trunk/include/llvm/InitializePasses.h
llvm/trunk/lib/Passes/PassBuilder.cpp
llvm/trunk/lib/Passes/PassRegistry.def
llvm/trunk/lib/Transforms/IPO/ElimAvailExtern.cpp
llvm/trunk/lib/Transforms/IPO/IPO.cpp
llvm/trunk/test/Transforms/EliminateAvailableExternally/visibility.ll
Modified: llvm/trunk/include/llvm/InitializePasses.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/InitializePasses.h?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/include/llvm/InitializePasses.h (original)
+++ llvm/trunk/include/llvm/InitializePasses.h Wed May 4 21:37:32 2016
@@ -136,7 +136,7 @@ void initializeDataFlowSanitizerPass(Pas
void initializeEfficiencySanitizerPass(PassRegistry&);
void initializeScalarizerPass(PassRegistry&);
void initializeEarlyCSELegacyPassPass(PassRegistry &);
-void initializeEliminateAvailableExternallyPass(PassRegistry&);
+void initializeEliminateAvailableExternallyLegacyPassPass(PassRegistry &);
void initializeExpandISelPseudosPass(PassRegistry&);
void initializeForceFunctionAttrsLegacyPassPass(PassRegistry&);
void initializeGCMachineCodeAnalysisPass(PassRegistry&);
Added: llvm/trunk/include/llvm/Transforms/IPO/ElimAvailExtern.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/IPO/ElimAvailExtern.h?rev=268599&view=auto
==============================================================================
--- llvm/trunk/include/llvm/Transforms/IPO/ElimAvailExtern.h (added)
+++ llvm/trunk/include/llvm/Transforms/IPO/ElimAvailExtern.h Wed May 4 21:37:32 2016
@@ -0,0 +1,31 @@
+//===- ElimAvailExtern.h - Optimize Global Variables ------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This transform is designed to eliminate available external global
+// definitions from the program, turning them into declarations.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
+#define LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
+
+#include "llvm/IR/Module.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+/// A pass that transforms external global definitions into declarations.
+class EliminateAvailableExternallyPass
+ : public PassInfoMixin<EliminateAvailableExternallyPass> {
+public:
+ PreservedAnalyses run(Module &M);
+};
+}
+
+#endif // LLVM_TRANSFORMS_IPO_ELIMAVAILEXTERN_H
Modified: llvm/trunk/lib/Passes/PassBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Passes/PassBuilder.cpp?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/lib/Passes/PassBuilder.cpp (original)
+++ llvm/trunk/lib/Passes/PassBuilder.cpp Wed May 4 21:37:32 2016
@@ -46,6 +46,7 @@
#include "llvm/Support/Regex.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Transforms/IPO/ConstantMerge.h"
+#include "llvm/Transforms/IPO/ElimAvailExtern.h"
#include "llvm/Transforms/IPO/ForceFunctionAttrs.h"
#include "llvm/Transforms/IPO/FunctionAttrs.h"
#include "llvm/Transforms/IPO/GlobalDCE.h"
Modified: llvm/trunk/lib/Passes/PassRegistry.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Passes/PassRegistry.def?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/lib/Passes/PassRegistry.def (original)
+++ llvm/trunk/lib/Passes/PassRegistry.def Wed May 4 21:37:32 2016
@@ -36,6 +36,7 @@ MODULE_ALIAS_ANALYSIS("globals-aa", Glob
#define MODULE_PASS(NAME, CREATE_PASS)
#endif
MODULE_PASS("constmerge", ConstantMergePass())
+MODULE_PASS("elim-avail-extern", EliminateAvailableExternallyPass())
MODULE_PASS("forceattrs", ForceFunctionAttrsPass())
MODULE_PASS("globaldce", GlobalDCEPass())
MODULE_PASS("globalopt", GlobalOptPass())
Modified: llvm/trunk/lib/Transforms/IPO/ElimAvailExtern.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/ElimAvailExtern.cpp?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/ElimAvailExtern.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/ElimAvailExtern.cpp Wed May 4 21:37:32 2016
@@ -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 @@ using namespace llvm;
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 @@ bool EliminateAvailableExternally::runOn
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();
+}
Modified: llvm/trunk/lib/Transforms/IPO/IPO.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/IPO.cpp?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/IPO.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/IPO.cpp Wed May 4 21:37:32 2016
@@ -51,7 +51,7 @@ void llvm::initializeIPO(PassRegistry &R
initializeStripDeadDebugInfoPass(Registry);
initializeStripNonDebugSymbolsPass(Registry);
initializeBarrierNoopPass(Registry);
- initializeEliminateAvailableExternallyPass(Registry);
+ initializeEliminateAvailableExternallyLegacyPassPass(Registry);
initializeSampleProfileLoaderPass(Registry);
initializeFunctionImportPassPass(Registry);
initializeWholeProgramDevirtPass(Registry);
Modified: llvm/trunk/test/Transforms/EliminateAvailableExternally/visibility.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/EliminateAvailableExternally/visibility.ll?rev=268599&r1=268598&r2=268599&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/EliminateAvailableExternally/visibility.ll (original)
+++ llvm/trunk/test/Transforms/EliminateAvailableExternally/visibility.ll Wed May 4 21:37:32 2016
@@ -1,4 +1,4 @@
-; RUN: opt -elim-avail-extern -S < %s | FileCheck %s
+; RUN: opt -passes=elim-avail-extern -S < %s | FileCheck %s
; CHECK: declare hidden void @f()
define available_externally hidden void @f() {
More information about the llvm-commits
mailing list