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authorMisha Brukman <brukman+llvm@gmail.com>2004-08-16 19:04:36 +0000
committerMisha Brukman <brukman+llvm@gmail.com>2004-08-16 19:04:36 +0000
commitcdc4b86e35e8f091ec3f24c9205f6d645b4d03d6 (patch)
tree6d6c54b9ebd369d1e9ebcb871063b906b6982724 /lib/Support
parent52b77edbbd8df167910927091fa9882adf394721 (diff)
downloadexternal_llvm-cdc4b86e35e8f091ec3f24c9205f6d645b4d03d6.zip
external_llvm-cdc4b86e35e8f091ec3f24c9205f6d645b4d03d6.tar.gz
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Move these files (which are dependent on VMCore) into VMCore
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15825 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Support')
-rw-r--r--lib/Support/LeakDetector.cpp125
-rw-r--r--lib/Support/Mangler.cpp127
2 files changed, 0 insertions, 252 deletions
diff --git a/lib/Support/LeakDetector.cpp b/lib/Support/LeakDetector.cpp
deleted file mode 100644
index dbdb7dd..0000000
--- a/lib/Support/LeakDetector.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-//===-- LeakDetector.cpp - Implement LeakDetector interface ---------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file implements the LeakDetector class.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Support/LeakDetector.h"
-#include "llvm/Value.h"
-#include <iostream>
-#include <set>
-using namespace llvm;
-
-namespace {
- template <class T>
- struct PrinterTrait {
- static void print(const T* P) { std::cerr << P; }
- };
-
- template<>
- struct PrinterTrait<Value> {
- static void print(const Value* P) { std::cerr << *P; }
- };
-
- template <typename T>
- struct LeakDetectorImpl {
- LeakDetectorImpl(const char* const name) : Cache(0), Name(name) { }
-
- // Because the most common usage pattern, by far, is to add a
- // garbage object, then remove it immediately, we optimize this
- // case. When an object is added, it is not added to the set
- // immediately, it is added to the CachedValue Value. If it is
- // immediately removed, no set search need be performed.
- void addGarbage(const T* o) {
- if (Cache) {
- assert(Ts.count(Cache) == 0 && "Object already in set!");
- Ts.insert(Cache);
- }
- Cache = o;
- }
-
- void removeGarbage(const T* o) {
- if (o == Cache)
- Cache = 0; // Cache hit
- else
- Ts.erase(o);
- }
-
- bool hasGarbage(const std::string& Message) {
- addGarbage(0); // Flush the Cache
-
- assert(Cache == 0 && "No value should be cached anymore!");
-
- if (!Ts.empty()) {
- std::cerr
- << "Leaked " << Name << " objects found: " << Message << ":\n";
- for (typename std::set<const T*>::iterator I = Ts.begin(),
- E = Ts.end(); I != E; ++I) {
- std::cerr << "\t";
- PrinterTrait<T>::print(*I);
- std::cerr << "\n";
- }
- std::cerr << '\n';
-
- // Clear out results so we don't get duplicate warnings on
- // next call...
- Ts.clear();
- return true;
- }
- return false;
- }
-
- private:
- std::set<const T*> Ts;
- const T* Cache;
- const char* const Name;
- };
-
- typedef LeakDetectorImpl<void> Objects;
- typedef LeakDetectorImpl<Value> LLVMObjects;
-
- Objects& getObjects() {
- static Objects *o = 0;
- if (o == 0)
- o = new Objects("GENERIC");
- return *o;
- }
-
- LLVMObjects& getLLVMObjects() {
- static LLVMObjects *o = 0;
- if (o == 0)
- o = new LLVMObjects("LLVM");
- return *o;
- }
-}
-
-void LeakDetector::addGarbageObjectImpl(void *Object) {
- getObjects().addGarbage(Object);
-}
-
-void LeakDetector::addGarbageObjectImpl(const Value *Object) {
- getLLVMObjects().addGarbage(Object);
-}
-
-void LeakDetector::removeGarbageObjectImpl(void *Object) {
- getObjects().removeGarbage(Object);
-}
-
-void LeakDetector::removeGarbageObjectImpl(const Value *Object) {
- getLLVMObjects().removeGarbage(Object);
-}
-
-void LeakDetector::checkForGarbageImpl(const std::string &Message) {
- // use non-short-circuit version so that both checks are performed
- if (getObjects().hasGarbage(Message) |
- getLLVMObjects().hasGarbage(Message))
- std::cerr << "\nThis is probably because you removed an object, but didn't "
- "delete it. Please check your code for memory leaks.\n";
-}
diff --git a/lib/Support/Mangler.cpp b/lib/Support/Mangler.cpp
deleted file mode 100644
index bf989b4..0000000
--- a/lib/Support/Mangler.cpp
+++ /dev/null
@@ -1,127 +0,0 @@
-//===-- Mangler.cpp - Self-contained c/asm llvm name mangler --------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Unified name mangler for CWriter and assembly backends.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Support/Mangler.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "Support/StringExtras.h"
-using namespace llvm;
-
-static char HexDigit(int V) {
- return V < 10 ? V+'0' : V+'A'-10;
-}
-
-static std::string MangleLetter(unsigned char C) {
- return std::string("_")+HexDigit(C >> 4) + HexDigit(C & 15) + "_";
-}
-
-/// makeNameProper - We don't want identifier names non-C-identifier characters
-/// in them, so mangle them as appropriate.
-///
-std::string Mangler::makeNameProper(const std::string &X) {
- std::string Result;
-
- // Mangle the first letter specially, don't allow numbers...
- if ((X[0] < 'a' || X[0] > 'z') && (X[0] < 'A' || X[0] > 'Z') && X[0] != '_')
- Result += MangleLetter(X[0]);
- else
- Result += X[0];
-
- for (std::string::const_iterator I = X.begin()+1, E = X.end(); I != E; ++I)
- if ((*I < 'a' || *I > 'z') && (*I < 'A' || *I > 'Z') &&
- (*I < '0' || *I > '9') && *I != '_')
- Result += MangleLetter(*I);
- else
- Result += *I;
- return Result;
-}
-
-/// getTypeID - Return a unique ID for the specified LLVM type.
-///
-unsigned Mangler::getTypeID(const Type *Ty) {
- unsigned &E = TypeMap[Ty];
- if (E == 0) E = ++TypeCounter;
- return E;
-}
-
-
-std::string Mangler::getValueName(const Value *V) {
- // Check to see whether we've already named V.
- ValueMap::iterator VI = Memo.find(V);
- if (VI != Memo.end()) {
- return VI->second; // Return the old name for V.
- }
-
- std::string name;
- if (V->hasName()) { // Print out the label if it exists...
- // Name mangling occurs as follows:
- // - If V is an intrinsic function, do not change name at all
- // - If V is not a global, mangling always occurs.
- // - Otherwise, mangling occurs when any of the following are true:
- // 1) V has internal linkage
- // 2) V's name would collide if it is not mangled.
- //
- const GlobalValue* gv = dyn_cast<GlobalValue>(V);
- if (gv && isa<Function>(gv) && cast<Function>(gv)->getIntrinsicID()) {
- name = gv->getName(); // Is an intrinsic function
- } else if (gv && !gv->hasInternalLinkage() && !MangledGlobals.count(gv)) {
- name = makeNameProper(gv->getName());
- if (AddUnderscorePrefix) name = "_" + name;
- } else {
- // Non-global, or global with internal linkage / colliding name
- // -> mangle.
- unsigned TypeUniqueID = getTypeID(V->getType());
- name = "l" + utostr(TypeUniqueID) + "_" + makeNameProper(V->getName());
- }
- } else {
- name = "ltmp_" + utostr(Count++) + "_" + utostr(getTypeID(V->getType()));
- }
-
- Memo[V] = name;
- return name;
-}
-
-void Mangler::InsertName(GlobalValue *GV,
- std::map<std::string, GlobalValue*> &Names) {
- if (!GV->hasName()) { // We must mangle unnamed globals.
- MangledGlobals.insert(GV);
- return;
- }
-
- // Figure out if this is already used.
- GlobalValue *&ExistingValue = Names[GV->getName()];
- if (!ExistingValue) {
- ExistingValue = GV;
- } else {
- // If GV is external but the existing one is static, mangle the existing one
- if (GV->hasExternalLinkage() && !ExistingValue->hasExternalLinkage()) {
- MangledGlobals.insert(ExistingValue);
- ExistingValue = GV;
- } else {
- // Otherwise, mangle GV
- MangledGlobals.insert(GV);
- }
- }
-}
-
-
-Mangler::Mangler(Module &m, bool addUnderscorePrefix)
- : M(m), AddUnderscorePrefix(addUnderscorePrefix), TypeCounter(0), Count(0) {
- // Calculate which global values have names that will collide when we throw
- // away type information.
- std::map<std::string, GlobalValue*> Names;
- for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
- InsertName(I, Names);
- for (Module::giterator I = M.gbegin(), E = M.gend(); I != E; ++I)
- InsertName(I, Names);
-}