[llvm] r199197 - Revert r199191, "LTO: add API to set strategy for -internalize"
NAKAMURA Takumi
geek4civic at gmail.com
Tue Jan 14 01:40:21 PST 2014
Author: chapuni
Date: Tue Jan 14 03:40:18 2014
New Revision: 199197
URL: http://llvm.org/viewvc/llvm-project?rev=199197&view=rev
Log:
Revert r199191, "LTO: add API to set strategy for -internalize"
Please update also Other/link-opts.ll, in next time.
Modified:
llvm/trunk/include/llvm-c/lto.h
llvm/trunk/include/llvm/LTO/LTOCodeGenerator.h
llvm/trunk/include/llvm/Transforms/IPO.h
llvm/trunk/lib/LTO/LTOCodeGenerator.cpp
llvm/trunk/lib/Transforms/IPO/Internalize.cpp
llvm/trunk/tools/lto/lto.cpp
Modified: llvm/trunk/include/llvm-c/lto.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm-c/lto.h?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/include/llvm-c/lto.h (original)
+++ llvm/trunk/include/llvm-c/lto.h Tue Jan 14 03:40:18 2014
@@ -40,7 +40,7 @@ typedef bool lto_bool_t;
* @{
*/
-#define LTO_API_VERSION 6
+#define LTO_API_VERSION 5
typedef enum {
LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */
@@ -73,11 +73,6 @@ typedef enum {
LTO_CODEGEN_PIC_MODEL_DYNAMIC_NO_PIC = 2
} lto_codegen_model;
-typedef enum {
- LTO_INTERNALIZE_FULL = 0,
- LTO_INTERNALIZE_NONE = 1,
- LTO_INTERNALIZE_HIDDEN = 2
-} lto_internalize_strategy;
/** opaque reference to a loaded object module */
typedef struct LTOModule* lto_module_t;
@@ -269,14 +264,6 @@ lto_codegen_set_assembler_args(lto_code_
int nargs);
/**
- * Sets the strategy to use during internalize. Default strategy is
- * LTO_INTERNALIZE_FULL.
- */
-extern void
-lto_codegen_set_internalize_strategy(lto_code_gen_t cg,
- lto_internalize_strategy);
-
-/**
* Tells LTO optimization passes that this symbol must be preserved
* because it is referenced by native code or a command line option.
*/
Modified: llvm/trunk/include/llvm/LTO/LTOCodeGenerator.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/LTO/LTOCodeGenerator.h?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/include/llvm/LTO/LTOCodeGenerator.h (original)
+++ llvm/trunk/include/llvm/LTO/LTOCodeGenerator.h Tue Jan 14 03:40:18 2014
@@ -70,7 +70,6 @@ struct LTOCodeGenerator {
void setTargetOptions(llvm::TargetOptions options);
void setDebugInfo(lto_debug_model);
void setCodePICModel(lto_codegen_model);
- void setInternalizeStrategy(lto_internalize_strategy);
void setCpu(const char *mCpu) { MCpu = mCpu; }
@@ -115,14 +114,6 @@ struct LTOCodeGenerator {
bool disableGVNLoadPRE,
std::string &errMsg);
- bool shouldInternalize() const {
- return InternalizeStrategy != LTO_INTERNALIZE_NONE;
- }
-
- bool shouldOnlyInternalizeHidden() const {
- return InternalizeStrategy == LTO_INTERNALIZE_HIDDEN;
- }
-
private:
void initializeLTOPasses();
@@ -147,7 +138,6 @@ private:
bool EmitDwarfDebugInfo;
bool ScopeRestrictionsDone;
lto_codegen_model CodeModel;
- lto_internalize_strategy InternalizeStrategy;
StringSet MustPreserveSymbols;
StringSet AsmUndefinedRefs;
llvm::MemoryBuffer *NativeObjectFile;
Modified: llvm/trunk/include/llvm/Transforms/IPO.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/IPO.h?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/IPO.h (original)
+++ llvm/trunk/include/llvm/Transforms/IPO.h Tue Jan 14 03:40:18 2014
@@ -108,17 +108,14 @@ Pass *createPruneEHPass();
////
/// The symbols in \p ExportList are never internalized.
///
-/// When OnlyHidden=true, only symbols with hidden visibility are internalized.
-///
/// The symbol in DSOList are internalized if it is safe to drop them from
/// the symbol table.
///
/// Note that commandline options that are used with the above function are not
/// used now!
-ModulePass *createInternalizePass(ArrayRef<const char *> ExportList,
- bool OnlyHidden = false);
+ModulePass *createInternalizePass(ArrayRef<const char *> ExportList);
/// createInternalizePass - Same as above, but with an empty exportList.
-ModulePass *createInternalizePass(bool OnlyHidden = false);
+ModulePass *createInternalizePass();
//===----------------------------------------------------------------------===//
/// createDeadArgEliminationPass - This pass removes arguments from functions
Modified: llvm/trunk/lib/LTO/LTOCodeGenerator.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/LTO/LTOCodeGenerator.cpp?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/lib/LTO/LTOCodeGenerator.cpp (original)
+++ llvm/trunk/lib/LTO/LTOCodeGenerator.cpp Tue Jan 14 03:40:18 2014
@@ -62,8 +62,7 @@ const char* LTOCodeGenerator::getVersion
LTOCodeGenerator::LTOCodeGenerator()
: Context(getGlobalContext()), Linker(new Module("ld-temp.o", Context)),
TargetMach(NULL), EmitDwarfDebugInfo(false), ScopeRestrictionsDone(false),
- CodeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC),
- InternalizeStrategy(LTO_INTERNALIZE_FULL), NativeObjectFile(NULL) {
+ CodeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC), NativeObjectFile(NULL) {
initializeLTOPasses();
}
@@ -165,18 +164,6 @@ void LTOCodeGenerator::setCodePICModel(l
llvm_unreachable("Unknown PIC model!");
}
-void
-LTOCodeGenerator::setInternalizeStrategy(lto_internalize_strategy Strategy) {
- switch (Strategy) {
- case LTO_INTERNALIZE_FULL:
- case LTO_INTERNALIZE_NONE:
- case LTO_INTERNALIZE_HIDDEN:
- InternalizeStrategy = Strategy;
- return;
- }
- llvm_unreachable("Unknown internalize strategy!");
-}
-
bool LTOCodeGenerator::writeMergedModules(const char *path,
std::string &errMsg) {
if (!determineTarget(errMsg))
@@ -390,7 +377,7 @@ static void accumulateAndSortLibcalls(st
}
void LTOCodeGenerator::applyScopeRestrictions() {
- if (ScopeRestrictionsDone || !shouldInternalize())
+ if (ScopeRestrictionsDone)
return;
Module *mergedModule = Linker.getModule();
@@ -442,8 +429,7 @@ void LTOCodeGenerator::applyScopeRestric
LLVMCompilerUsed->setSection("llvm.metadata");
}
- passes.add(
- createInternalizePass(MustPreserveList, shouldOnlyInternalizeHidden()));
+ passes.add(createInternalizePass(MustPreserveList));
// apply scope restrictions
passes.run(*mergedModule);
Modified: llvm/trunk/lib/Transforms/IPO/Internalize.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/Internalize.cpp?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/Internalize.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/Internalize.cpp Tue Jan 14 03:40:18 2014
@@ -54,11 +54,10 @@ APIList("internalize-public-api-list", c
namespace {
class InternalizePass : public ModulePass {
std::set<std::string> ExternalNames;
- bool OnlyHidden;
public:
static char ID; // Pass identification, replacement for typeid
- explicit InternalizePass(bool OnlyHidden = false);
- explicit InternalizePass(ArrayRef<const char *> ExportList, bool OnlyHidden);
+ explicit InternalizePass();
+ explicit InternalizePass(ArrayRef<const char *> ExportList);
void LoadFile(const char *Filename);
virtual bool runOnModule(Module &M);
@@ -73,17 +72,16 @@ char InternalizePass::ID = 0;
INITIALIZE_PASS(InternalizePass, "internalize",
"Internalize Global Symbols", false, false)
-InternalizePass::InternalizePass(bool OnlyHidden)
- : ModulePass(ID), OnlyHidden(OnlyHidden) {
+InternalizePass::InternalizePass()
+ : ModulePass(ID) {
initializeInternalizePassPass(*PassRegistry::getPassRegistry());
if (!APIFile.empty()) // If a filename is specified, use it.
LoadFile(APIFile.c_str());
ExternalNames.insert(APIList.begin(), APIList.end());
}
-InternalizePass::InternalizePass(ArrayRef<const char *> ExportList,
- bool OnlyHidden)
- : ModulePass(ID), OnlyHidden(OnlyHidden) {
+InternalizePass::InternalizePass(ArrayRef<const char *> ExportList)
+ : ModulePass(ID){
initializeInternalizePassPass(*PassRegistry::getPassRegistry());
for(ArrayRef<const char *>::const_iterator itr = ExportList.begin();
itr != ExportList.end(); itr++) {
@@ -108,11 +106,7 @@ void InternalizePass::LoadFile(const cha
}
static bool shouldInternalize(const GlobalValue &GV,
- const std::set<std::string> &ExternalNames,
- bool OnlyHidden) {
- if (OnlyHidden && !GV.hasHiddenVisibility())
- return false;
-
+ const std::set<std::string> &ExternalNames) {
// Function must be defined here
if (GV.isDeclaration())
return false;
@@ -161,8 +155,9 @@ bool InternalizePass::runOnModule(Module
}
// Mark all functions not in the api as internal.
+ // FIXME: maybe use private linkage?
for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) {
- if (!shouldInternalize(*I, ExternalNames, OnlyHidden))
+ if (!shouldInternalize(*I, ExternalNames))
continue;
I->setLinkage(GlobalValue::InternalLinkage);
@@ -196,9 +191,10 @@ bool InternalizePass::runOnModule(Module
// Mark all global variables with initializers that are not in the api as
// internal as well.
+ // FIXME: maybe use private linkage?
for (Module::global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I) {
- if (!shouldInternalize(*I, ExternalNames, OnlyHidden))
+ if (!shouldInternalize(*I, ExternalNames))
continue;
I->setLinkage(GlobalValue::InternalLinkage);
@@ -210,7 +206,7 @@ bool InternalizePass::runOnModule(Module
// Mark all aliases that are not in the api as internal as well.
for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I) {
- if (!shouldInternalize(*I, ExternalNames, OnlyHidden))
+ if (!shouldInternalize(*I, ExternalNames))
continue;
I->setLinkage(GlobalValue::InternalLinkage);
@@ -222,11 +218,10 @@ bool InternalizePass::runOnModule(Module
return Changed;
}
-ModulePass *llvm::createInternalizePass(bool OnlyHidden) {
- return new InternalizePass(OnlyHidden);
+ModulePass *llvm::createInternalizePass() {
+ return new InternalizePass();
}
-ModulePass *llvm::createInternalizePass(ArrayRef<const char *> ExportList,
- bool OnlyHidden) {
- return new InternalizePass(ExportList, OnlyHidden);
+ModulePass *llvm::createInternalizePass(ArrayRef<const char *> ExportList) {
+ return new InternalizePass(ExportList);
}
Modified: llvm/trunk/tools/lto/lto.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/lto/lto.cpp?rev=199197&r1=199196&r2=199197&view=diff
==============================================================================
--- llvm/trunk/tools/lto/lto.cpp (original)
+++ llvm/trunk/tools/lto/lto.cpp Tue Jan 14 03:40:18 2014
@@ -252,13 +252,6 @@ void lto_codegen_set_assembler_args(lto_
// In here only for backwards compatibility. We use MC now.
}
-/// lto_codegen_set_internalize_strategy - Sets the strategy to use during
-/// internalize.
-void lto_codegen_set_internalize_strategy(lto_code_gen_t cg,
- lto_internalize_strategy strategy) {
- cg->setInternalizeStrategy(strategy);
-}
-
/// lto_codegen_add_must_preserve_symbol - Adds to a list of all global symbols
/// that must exist in the final generated code. If a function is not listed
/// there, it might be inlined into every usage and optimized away.
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