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Fix more static dtor issues

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30725 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-10-04 21:52:35 +00:00
parent b336409673
commit 90aa839c88
4 changed files with 81 additions and 89 deletions
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31
lib/Analysis/BasicAliasAnalysis.cpp
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@ -22,8 +22,9 @@
#include "llvm/Instructions.h"
#include "llvm/Pass.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/ManagedStatic.h"
#include <algorithm>
using namespace llvm;
@ -801,21 +802,23 @@ static const char *OnlyReadsMemoryFns[] = {
"feof_unlocked", "ferror_unlocked", "fileno_unlocked"
};
static ManagedStatic<std::vector<const char*> > NoMemoryTable;
static ManagedStatic<std::vector<const char*> > OnlyReadsMemoryTable;
AliasAnalysis::ModRefBehavior
BasicAliasAnalysis::getModRefBehavior(Function *F, CallSite CS,
std::vector<PointerAccessInfo> *Info) {
if (!F->isExternal()) return UnknownModRefBehavior;
static std::vector<const char*> NoMemoryTable, OnlyReadsMemoryTable;
static bool Initialized = false;
if (!Initialized) {
NoMemoryTable.insert(NoMemoryTable.end(),
DoesntAccessMemoryFns,
DoesntAccessMemoryFns+
NoMemoryTable->insert(NoMemoryTable->end(),
DoesntAccessMemoryFns,
DoesntAccessMemoryFns+
sizeof(DoesntAccessMemoryFns)/sizeof(DoesntAccessMemoryFns[0]));
OnlyReadsMemoryTable.insert(OnlyReadsMemoryTable.end(),
OnlyReadsMemoryTable->insert(OnlyReadsMemoryTable->end(),
OnlyReadsMemoryFns,
OnlyReadsMemoryFns+
sizeof(OnlyReadsMemoryFns)/sizeof(OnlyReadsMemoryFns[0]));
@ -824,22 +827,22 @@ BasicAliasAnalysis::getModRefBehavior(Function *F, CallSite CS,
#undef GET_MODREF_BEHAVIOR
// Sort the table the first time through.
std::sort(NoMemoryTable.begin(), NoMemoryTable.end(), StringCompare());
std::sort(OnlyReadsMemoryTable.begin(), OnlyReadsMemoryTable.end(),
std::sort(NoMemoryTable->begin(), NoMemoryTable->end(), StringCompare());
std::sort(OnlyReadsMemoryTable->begin(), OnlyReadsMemoryTable->end(),
StringCompare());
Initialized = true;
}
std::vector<const char*>::iterator Ptr =
std::lower_bound(NoMemoryTable.begin(), NoMemoryTable.end(),
std::lower_bound(NoMemoryTable->begin(), NoMemoryTable->end(),
F->getName().c_str(), StringCompare());
if (Ptr != NoMemoryTable.end() && *Ptr == F->getName())
if (Ptr != NoMemoryTable->end() && *Ptr == F->getName())
return DoesNotAccessMemory;
Ptr = std::lower_bound(OnlyReadsMemoryTable.begin(),
OnlyReadsMemoryTable.end(),
Ptr = std::lower_bound(OnlyReadsMemoryTable->begin(),
OnlyReadsMemoryTable->end(),
F->getName().c_str(), StringCompare());
if (Ptr != OnlyReadsMemoryTable.end() && *Ptr == F->getName())
if (Ptr != OnlyReadsMemoryTable->end() && *Ptr == F->getName())
return OnlyReadsMemory;
return UnknownModRefBehavior;