[llvm-commits] [llvm] r85286 - in /llvm/trunk: include/llvm/Analysis/ lib/Analysis/ lib/Analysis/IPA/ lib/Transforms/IPO/ lib/Transforms/Scalar/ lib/Transforms/Utils/ lib/VMCore/
Victor Hernandez
vhernandez at apple.com
Tue Oct 27 13:05:50 PDT 2009
Author: hernande
Date: Tue Oct 27 15:05:49 2009
New Revision: 85286
URL: http://llvm.org/viewvc/llvm-project?rev=85286&view=rev
Log:
Rename MallocFreeHelper as MemoryBuiltins
Added:
llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
- copied, changed from r85266, llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h
llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
- copied, changed from r85266, llvm/trunk/lib/Analysis/MallocFreeHelper.cpp
Removed:
llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h
llvm/trunk/lib/Analysis/MallocFreeHelper.cpp
Modified:
llvm/trunk/lib/Analysis/AliasSetTracker.cpp
llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
llvm/trunk/lib/Analysis/CMakeLists.txt
llvm/trunk/lib/Analysis/CaptureTracking.cpp
llvm/trunk/lib/Analysis/IPA/Andersens.cpp
llvm/trunk/lib/Analysis/IPA/GlobalsModRef.cpp
llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
llvm/trunk/lib/Analysis/PointerTracking.cpp
llvm/trunk/lib/Transforms/IPO/FunctionAttrs.cpp
llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
llvm/trunk/lib/Transforms/Scalar/GVN.cpp
llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp
llvm/trunk/lib/Transforms/Scalar/SCCP.cpp
llvm/trunk/lib/Transforms/Utils/Local.cpp
llvm/trunk/lib/VMCore/Instruction.cpp
Removed: llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h?rev=85285&view=auto
==============================================================================
--- llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h (original)
+++ llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h (removed)
@@ -1,93 +0,0 @@
-//===- llvm/Analysis/MallocFreeHelper.h - Identify malloc/free --*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This family of functions identifies calls to malloc, bitcasts of malloc
-// calls, and the types and array sizes associated with them. It also
-// identifies calls to the free builtin.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_ANALYSIS_MALLOCHELPER_H
-#define LLVM_ANALYSIS_MALLOCHELPER_H
-
-namespace llvm {
-class CallInst;
-class LLVMContext;
-class PointerType;
-class TargetData;
-class Type;
-class Value;
-
-//===----------------------------------------------------------------------===//
-// malloc Call Utility Functions.
-//
-
-/// isMalloc - Returns true if the value is either a malloc call or a bitcast of
-/// the result of a malloc call
-bool isMalloc(const Value* I);
-
-/// extractMallocCall - Returns the corresponding CallInst if the instruction
-/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we
-/// ignore InvokeInst here.
-const CallInst* extractMallocCall(const Value* I);
-CallInst* extractMallocCall(Value* I);
-
-/// extractMallocCallFromBitCast - Returns the corresponding CallInst if the
-/// instruction is a bitcast of the result of a malloc call.
-const CallInst* extractMallocCallFromBitCast(const Value* I);
-CallInst* extractMallocCallFromBitCast(Value* I);
-
-/// isArrayMalloc - Returns the corresponding CallInst if the instruction
-/// matches the malloc call IR generated by CallInst::CreateMalloc(). This
-/// means that it is a malloc call with one bitcast use AND the malloc call's
-/// size argument is:
-/// 1. a constant not equal to the size of the malloced type
-/// or
-/// 2. the result of a multiplication by the size of the malloced type
-/// Otherwise it returns NULL.
-/// The unique bitcast is needed to determine the type/size of the array
-/// allocation.
-CallInst* isArrayMalloc(Value* I, LLVMContext &Context, const TargetData* TD);
-const CallInst* isArrayMalloc(const Value* I, LLVMContext &Context,
- const TargetData* TD);
-
-/// getMallocType - Returns the PointerType resulting from the malloc call.
-/// This PointerType is the result type of the call's only bitcast use.
-/// If there is no unique bitcast use, then return NULL.
-const PointerType* getMallocType(const CallInst* CI);
-
-/// getMallocAllocatedType - Returns the Type allocated by malloc call. This
-/// Type is the result type of the call's only bitcast use. If there is no
-/// unique bitcast use, then return NULL.
-const Type* getMallocAllocatedType(const CallInst* CI);
-
-/// getMallocArraySize - Returns the array size of a malloc call. For array
-/// mallocs, the size is computated in 1 of 3 ways:
-/// 1. If the element type is of size 1, then array size is the argument to
-/// malloc.
-/// 2. Else if the malloc's argument is a constant, the array size is that
-/// argument divided by the element type's size.
-/// 3. Else the malloc argument must be a multiplication and the array size is
-/// the first operand of the multiplication.
-/// For non-array mallocs, the computed size is constant 1.
-/// This function returns NULL for all mallocs whose array size cannot be
-/// determined.
-Value* getMallocArraySize(CallInst* CI, LLVMContext &Context,
- const TargetData* TD);
-
-//===----------------------------------------------------------------------===//
-// free Call Utility Functions.
-//
-
-/// isFreeCall - Returns true if the the value is a call to the builtin free()
-bool isFreeCall(const Value* I);
-
-} // End llvm namespace
-
-#endif
Copied: llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h (from r85266, llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h?p2=llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h&p1=llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h&r1=85266&r2=85286&rev=85286&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/MallocFreeHelper.h (original)
+++ llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h Tue Oct 27 15:05:49 2009
@@ -1,4 +1,4 @@
-//===- llvm/Analysis/MallocFreeHelper.h - Identify malloc/free --*- C++ -*-===//
+//===- llvm/Analysis/MemoryBuiltins.h- Calls to memory builtins -*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
@@ -7,14 +7,13 @@
//
//===----------------------------------------------------------------------===//
//
-// This family of functions identifies calls to malloc, bitcasts of malloc
-// calls, and the types and array sizes associated with them. It also
-// identifies calls to the free builtin.
+// This family of functions identifies calls to builtin functions that allocate
+// or free memory.
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ANALYSIS_MALLOCHELPER_H
-#define LLVM_ANALYSIS_MALLOCHELPER_H
+#ifndef LLVM_ANALYSIS_MEMORYBUILTINS_H
+#define LLVM_ANALYSIS_MEMORYBUILTINS_H
namespace llvm {
class CallInst;
Modified: llvm/trunk/lib/Analysis/AliasSetTracker.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/AliasSetTracker.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/AliasSetTracker.cpp (original)
+++ llvm/trunk/lib/Analysis/AliasSetTracker.cpp Tue Oct 27 15:05:49 2009
@@ -13,7 +13,7 @@
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Instructions.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Pass.h"
Modified: llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp Tue Oct 27 15:05:49 2009
@@ -15,7 +15,7 @@
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CaptureTracking.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
Modified: llvm/trunk/lib/Analysis/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/CMakeLists.txt?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/CMakeLists.txt (original)
+++ llvm/trunk/lib/Analysis/CMakeLists.txt Tue Oct 27 15:05:49 2009
@@ -23,7 +23,7 @@
LoopDependenceAnalysis.cpp
LoopInfo.cpp
LoopPass.cpp
- MallocFreeHelper.cpp
+ MemoryBuiltins.cpp
MemoryDependenceAnalysis.cpp
PointerTracking.cpp
PostDominators.cpp
Modified: llvm/trunk/lib/Analysis/CaptureTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/CaptureTracking.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/CaptureTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/CaptureTracking.cpp Tue Oct 27 15:05:49 2009
@@ -17,7 +17,7 @@
//===----------------------------------------------------------------------===//
#include "llvm/Analysis/CaptureTracking.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Instructions.h"
#include "llvm/Value.h"
#include "llvm/ADT/SmallSet.h"
Modified: llvm/trunk/lib/Analysis/IPA/Andersens.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/IPA/Andersens.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/IPA/Andersens.cpp (original)
+++ llvm/trunk/lib/Analysis/IPA/Andersens.cpp Tue Oct 27 15:05:49 2009
@@ -63,7 +63,7 @@
#include "llvm/Support/InstIterator.h"
#include "llvm/Support/InstVisitor.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/Support/Debug.h"
#include "llvm/System/Atomic.h"
Modified: llvm/trunk/lib/Analysis/IPA/GlobalsModRef.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/IPA/GlobalsModRef.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/IPA/GlobalsModRef.cpp (original)
+++ llvm/trunk/lib/Analysis/IPA/GlobalsModRef.cpp Tue Oct 27 15:05:49 2009
@@ -23,7 +23,7 @@
#include "llvm/DerivedTypes.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CallGraph.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/InstIterator.h"
#include "llvm/ADT/Statistic.h"
Removed: llvm/trunk/lib/Analysis/MallocFreeHelper.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MallocFreeHelper.cpp?rev=85285&view=auto
==============================================================================
--- llvm/trunk/lib/Analysis/MallocFreeHelper.cpp (original)
+++ llvm/trunk/lib/Analysis/MallocFreeHelper.cpp (removed)
@@ -1,296 +0,0 @@
-//===-- MallocFreeHelper.cpp - Identify calls to malloc and free builtins -===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This family of functions identifies calls to malloc, bitcasts of malloc
-// calls, and the types and array sizes associated with them. It also
-// identifies calls to the free builtin.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/Analysis/MallocFreeHelper.h"
-#include "llvm/Constants.h"
-#include "llvm/Instructions.h"
-#include "llvm/Module.h"
-#include "llvm/Analysis/ConstantFolding.h"
-using namespace llvm;
-
-//===----------------------------------------------------------------------===//
-// malloc Call Utility Functions.
-//
-
-/// isMalloc - Returns true if the the value is either a malloc call or a
-/// bitcast of the result of a malloc call.
-bool llvm::isMalloc(const Value* I) {
- return extractMallocCall(I) || extractMallocCallFromBitCast(I);
-}
-
-static bool isMallocCall(const CallInst *CI) {
- if (!CI)
- return false;
-
- const Module* M = CI->getParent()->getParent()->getParent();
- Function *MallocFunc = M->getFunction("malloc");
-
- if (CI->getOperand(0) != MallocFunc)
- return false;
-
- // Check malloc prototype.
- // FIXME: workaround for PR5130, this will be obsolete when a nobuiltin
- // attribute will exist.
- const FunctionType *FTy = MallocFunc->getFunctionType();
- if (FTy->getNumParams() != 1)
- return false;
- if (IntegerType *ITy = dyn_cast<IntegerType>(FTy->param_begin()->get())) {
- if (ITy->getBitWidth() != 32 && ITy->getBitWidth() != 64)
- return false;
- return true;
- }
-
- return false;
-}
-
-/// extractMallocCall - Returns the corresponding CallInst if the instruction
-/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we
-/// ignore InvokeInst here.
-const CallInst* llvm::extractMallocCall(const Value* I) {
- const CallInst *CI = dyn_cast<CallInst>(I);
- return (isMallocCall(CI)) ? CI : NULL;
-}
-
-CallInst* llvm::extractMallocCall(Value* I) {
- CallInst *CI = dyn_cast<CallInst>(I);
- return (isMallocCall(CI)) ? CI : NULL;
-}
-
-static bool isBitCastOfMallocCall(const BitCastInst* BCI) {
- if (!BCI)
- return false;
-
- return isMallocCall(dyn_cast<CallInst>(BCI->getOperand(0)));
-}
-
-/// extractMallocCallFromBitCast - Returns the corresponding CallInst if the
-/// instruction is a bitcast of the result of a malloc call.
-CallInst* llvm::extractMallocCallFromBitCast(Value* I) {
- BitCastInst *BCI = dyn_cast<BitCastInst>(I);
- return (isBitCastOfMallocCall(BCI)) ? cast<CallInst>(BCI->getOperand(0))
- : NULL;
-}
-
-const CallInst* llvm::extractMallocCallFromBitCast(const Value* I) {
- const BitCastInst *BCI = dyn_cast<BitCastInst>(I);
- return (isBitCastOfMallocCall(BCI)) ? cast<CallInst>(BCI->getOperand(0))
- : NULL;
-}
-
-static bool isArrayMallocHelper(const CallInst *CI, LLVMContext &Context,
- const TargetData* TD) {
- if (!CI)
- return false;
-
- const Type* T = getMallocAllocatedType(CI);
-
- // We can only indentify an array malloc if we know the type of the malloc
- // call.
- if (!T) return false;
-
- Value* MallocArg = CI->getOperand(1);
- Constant *ElementSize = ConstantExpr::getSizeOf(T);
- ElementSize = ConstantExpr::getTruncOrBitCast(ElementSize,
- MallocArg->getType());
- Constant *FoldedElementSize = ConstantFoldConstantExpression(
- cast<ConstantExpr>(ElementSize),
- Context, TD);
-
-
- if (isa<ConstantExpr>(MallocArg))
- return (MallocArg != ElementSize);
-
- BinaryOperator *BI = dyn_cast<BinaryOperator>(MallocArg);
- if (!BI)
- return false;
-
- if (BI->getOpcode() == Instruction::Mul)
- // ArraySize * ElementSize
- if (BI->getOperand(1) == ElementSize ||
- (FoldedElementSize && BI->getOperand(1) == FoldedElementSize))
- return true;
-
- // TODO: Detect case where MallocArg mul has been transformed to shl.
-
- return false;
-}
-
-/// isArrayMalloc - Returns the corresponding CallInst if the instruction
-/// matches the malloc call IR generated by CallInst::CreateMalloc(). This
-/// means that it is a malloc call with one bitcast use AND the malloc call's
-/// size argument is:
-/// 1. a constant not equal to the size of the malloced type
-/// or
-/// 2. the result of a multiplication by the size of the malloced type
-/// Otherwise it returns NULL.
-/// The unique bitcast is needed to determine the type/size of the array
-/// allocation.
-CallInst* llvm::isArrayMalloc(Value* I, LLVMContext &Context,
- const TargetData* TD) {
- CallInst *CI = extractMallocCall(I);
- return (isArrayMallocHelper(CI, Context, TD)) ? CI : NULL;
-}
-
-const CallInst* llvm::isArrayMalloc(const Value* I, LLVMContext &Context,
- const TargetData* TD) {
- const CallInst *CI = extractMallocCall(I);
- return (isArrayMallocHelper(CI, Context, TD)) ? CI : NULL;
-}
-
-/// getMallocType - Returns the PointerType resulting from the malloc call.
-/// This PointerType is the result type of the call's only bitcast use.
-/// If there is no unique bitcast use, then return NULL.
-const PointerType* llvm::getMallocType(const CallInst* CI) {
- assert(isMalloc(CI) && "GetMallocType and not malloc call");
-
- const BitCastInst* BCI = NULL;
-
- // Determine if CallInst has a bitcast use.
- for (Value::use_const_iterator UI = CI->use_begin(), E = CI->use_end();
- UI != E; )
- if ((BCI = dyn_cast<BitCastInst>(cast<Instruction>(*UI++))))
- break;
-
- // Malloc call has 1 bitcast use and no other uses, so type is the bitcast's
- // destination type.
- if (BCI && CI->hasOneUse())
- return cast<PointerType>(BCI->getDestTy());
-
- // Malloc call was not bitcast, so type is the malloc function's return type.
- if (!BCI)
- return cast<PointerType>(CI->getType());
-
- // Type could not be determined.
- return NULL;
-}
-
-/// getMallocAllocatedType - Returns the Type allocated by malloc call. This
-/// Type is the result type of the call's only bitcast use. If there is no
-/// unique bitcast use, then return NULL.
-const Type* llvm::getMallocAllocatedType(const CallInst* CI) {
- const PointerType* PT = getMallocType(CI);
- return PT ? PT->getElementType() : NULL;
-}
-
-/// isSafeToGetMallocArraySize - Returns true if the array size of a malloc can
-/// be determined. It can be determined in these 3 cases of malloc codegen:
-/// 1. non-array malloc: The malloc's size argument is a constant and equals the /// size of the type being malloced.
-/// 2. array malloc: This is a malloc call with one bitcast use AND the malloc
-/// call's size argument is a constant multiple of the size of the malloced
-/// type.
-/// 3. array malloc: This is a malloc call with one bitcast use AND the malloc
-/// call's size argument is the result of a multiplication by the size of the
-/// malloced type.
-/// Otherwise returns false.
-static bool isSafeToGetMallocArraySize(const CallInst *CI,
- LLVMContext &Context,
- const TargetData* TD) {
- if (!CI)
- return false;
-
- // Type must be known to determine array size.
- const Type* T = getMallocAllocatedType(CI);
- if (!T) return false;
-
- Value* MallocArg = CI->getOperand(1);
- Constant *ElementSize = ConstantExpr::getSizeOf(T);
- ElementSize = ConstantExpr::getTruncOrBitCast(ElementSize,
- MallocArg->getType());
-
- // First, check if it is a non-array malloc.
- if (isa<ConstantExpr>(MallocArg) && (MallocArg == ElementSize))
- return true;
-
- // Second, check if it can be determined that this is an array malloc.
- return isArrayMallocHelper(CI, Context, TD);
-}
-
-/// isConstantOne - Return true only if val is constant int 1.
-static bool isConstantOne(Value *val) {
- return isa<ConstantInt>(val) && cast<ConstantInt>(val)->isOne();
-}
-
-/// getMallocArraySize - Returns the array size of a malloc call. For array
-/// mallocs, the size is computated in 1 of 3 ways:
-/// 1. If the element type is of size 1, then array size is the argument to
-/// malloc.
-/// 2. Else if the malloc's argument is a constant, the array size is that
-/// argument divided by the element type's size.
-/// 3. Else the malloc argument must be a multiplication and the array size is
-/// the first operand of the multiplication.
-/// For non-array mallocs, the computed size is constant 1.
-/// This function returns NULL for all mallocs whose array size cannot be
-/// determined.
-Value* llvm::getMallocArraySize(CallInst* CI, LLVMContext &Context,
- const TargetData* TD) {
- if (!isSafeToGetMallocArraySize(CI, Context, TD))
- return NULL;
-
- // Match CreateMalloc's use of constant 1 array-size for non-array mallocs.
- if (!isArrayMalloc(CI, Context, TD))
- return ConstantInt::get(CI->getOperand(1)->getType(), 1);
-
- Value* MallocArg = CI->getOperand(1);
- assert(getMallocAllocatedType(CI) && "getMallocArraySize and no type");
- Constant *ElementSize = ConstantExpr::getSizeOf(getMallocAllocatedType(CI));
- ElementSize = ConstantExpr::getTruncOrBitCast(ElementSize,
- MallocArg->getType());
-
- Constant* CO = dyn_cast<Constant>(MallocArg);
- BinaryOperator* BO = dyn_cast<BinaryOperator>(MallocArg);
- assert((isConstantOne(ElementSize) || CO || BO) &&
- "getMallocArraySize and malformed malloc IR");
-
- if (isConstantOne(ElementSize))
- return MallocArg;
-
- if (CO)
- return CO->getOperand(0);
-
- // TODO: Detect case where MallocArg mul has been transformed to shl.
-
- assert(BO && "getMallocArraySize not constant but not multiplication either");
- return BO->getOperand(0);
-}
-
-//===----------------------------------------------------------------------===//
-// free Call Utility Functions.
-//
-
-/// isFreeCall - Returns true if the the value is a call to the builtin free()
-bool llvm::isFreeCall(const Value* I) {
- const CallInst *CI = dyn_cast<CallInst>(I);
- if (!CI)
- return false;
-
- const Module* M = CI->getParent()->getParent()->getParent();
- Function *FreeFunc = M->getFunction("free");
-
- if (CI->getOperand(0) != FreeFunc)
- return false;
-
- // Check free prototype.
- // FIXME: workaround for PR5130, this will be obsolete when a nobuiltin
- // attribute will exist.
- const FunctionType *FTy = FreeFunc->getFunctionType();
- if (FTy->getReturnType() != Type::getVoidTy(M->getContext()))
- return false;
- if (FTy->getNumParams() != 1)
- return false;
- if (FTy->param_begin()->get() != Type::getInt8PtrTy(M->getContext()))
- return false;
-
- return true;
-}
Copied: llvm/trunk/lib/Analysis/MemoryBuiltins.cpp (from r85266, llvm/trunk/lib/Analysis/MallocFreeHelper.cpp)
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryBuiltins.cpp?p2=llvm/trunk/lib/Analysis/MemoryBuiltins.cpp&p1=llvm/trunk/lib/Analysis/MallocFreeHelper.cpp&r1=85266&r2=85286&rev=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MallocFreeHelper.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryBuiltins.cpp Tue Oct 27 15:05:49 2009
@@ -1,4 +1,4 @@
-//===-- MallocFreeHelper.cpp - Identify calls to malloc and free builtins -===//
+//===------ MemoryBuiltins.cpp - Identify calls to memory builtins --------===//
//
// The LLVM Compiler Infrastructure
//
@@ -7,13 +7,12 @@
//
//===----------------------------------------------------------------------===//
//
-// This family of functions identifies calls to malloc, bitcasts of malloc
-// calls, and the types and array sizes associated with them. It also
-// identifies calls to the free builtin.
+// This family of functions identifies calls to builtin functions that allocate
+// or free memory.
//
//===----------------------------------------------------------------------===//
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Constants.h"
#include "llvm/Instructions.h"
#include "llvm/Module.h"
Modified: llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryDependenceAnalysis.cpp Tue Oct 27 15:05:49 2009
@@ -20,7 +20,7 @@
#include "llvm/IntrinsicInst.h"
#include "llvm/Function.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/PredIteratorCache.h"
Modified: llvm/trunk/lib/Analysis/PointerTracking.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/PointerTracking.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/PointerTracking.cpp (original)
+++ llvm/trunk/lib/Analysis/PointerTracking.cpp Tue Oct 27 15:05:49 2009
@@ -13,7 +13,7 @@
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/PointerTracking.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionExpressions.h"
Modified: llvm/trunk/lib/Transforms/IPO/FunctionAttrs.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/FunctionAttrs.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/FunctionAttrs.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/FunctionAttrs.cpp Tue Oct 27 15:05:49 2009
@@ -26,7 +26,7 @@
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/CallGraph.h"
#include "llvm/Analysis/CaptureTracking.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/UniqueVector.h"
Modified: llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/GlobalOpt.cpp Tue Oct 27 15:05:49 2009
@@ -24,7 +24,7 @@
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/CallSite.h"
#include "llvm/Support/Debug.h"
Modified: llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/DeadStoreElimination.cpp Tue Oct 27 15:05:49 2009
@@ -26,7 +26,7 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/Dominators.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Transforms/Utils/Local.h"
Modified: llvm/trunk/lib/Transforms/Scalar/GVN.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/GVN.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/GVN.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/GVN.cpp Tue Oct 27 15:05:49 2009
@@ -33,7 +33,7 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/MemoryDependenceAnalysis.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/CommandLine.h"
Modified: llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/InstructionCombining.cpp Tue Oct 27 15:05:49 2009
@@ -42,7 +42,7 @@
#include "llvm/GlobalVariable.h"
#include "llvm/Operator.h"
#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
Modified: llvm/trunk/lib/Transforms/Scalar/SCCP.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/SCCP.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/SCCP.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/SCCP.cpp Tue Oct 27 15:05:49 2009
@@ -30,7 +30,7 @@
#include "llvm/LLVMContext.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ConstantFolding.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/Support/CallSite.h"
Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/Local.cpp Tue Oct 27 15:05:49 2009
@@ -24,7 +24,7 @@
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Analysis/ConstantFolding.h"
#include "llvm/Analysis/DebugInfo.h"
-#include "llvm/Analysis/MallocFreeHelper.h"
+#include "llvm/Analysis/MemoryBuiltins.h"
#include "llvm/Analysis/ProfileInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
Modified: llvm/trunk/lib/VMCore/Instruction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Instruction.cpp?rev=85286&r1=85285&r2=85286&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/Instruction.cpp (original)
+++ llvm/trunk/lib/VMCore/Instruction.cpp Tue Oct 27 15:05:49 2009
@@ -303,7 +303,7 @@
return false;
}
-// Code here matches isFreeCall from MallocFreeHelper, which is not in VMCore.
+// Code here matches isFreeCall from MemoryBuiltins, which is not in VMCore.
static bool isFreeCall(const Value* I) {
const CallInst *CI = dyn_cast<CallInst>(I);
if (!CI)
@@ -408,7 +408,7 @@
}
}
-// Code here matches isMalloc from MallocFreeHelper, which is not in VMCore.
+// Code here matches isMalloc from MemoryBuiltins, which is not in VMCore.
static bool isMalloc(const Value* I) {
const CallInst *CI = dyn_cast<CallInst>(I);
if (!CI) {
More information about the llvm-commits
mailing list