[llvm] r231624 - DCE: isArrayMalloc() is not used neither in LLVM nor Clang

[Mehdi Amini]

Author: mehdi_amini
Date: Sun Mar  8 21:57:32 2015
New Revision: 231624

URL: http://llvm.org/viewvc/llvm-project?rev=231624&view=rev
Log:
DCE: isArrayMalloc() is not used neither in LLVM nor Clang

From: Mehdi Amini <mehdi.amini at apple.com>

Modified:
    llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
    llvm/trunk/lib/Analysis/MemoryBuiltins.cpp

Modified: llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h?rev=231624&r1=231623&r2=231624&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h (original)
+++ llvm/trunk/include/llvm/Analysis/MemoryBuiltins.h Sun Mar  8 21:57:32 2015
@@ -82,12 +82,6 @@ static inline CallInst *extractMallocCal
   return const_cast<CallInst*>(extractMallocCall((const Value*)I, TLI));
 }
 
-/// isArrayMalloc - Returns the corresponding CallInst if the instruction
-/// is a call to malloc whose array size can be determined and the array size
-/// is not constant 1.  Otherwise, return NULL.
-const CallInst *isArrayMalloc(const Value *I, const DataLayout *DL,
-                              const TargetLibraryInfo *TLI);
-
 /// getMallocType - Returns the PointerType resulting from the malloc call.
 /// The PointerType depends on the number of bitcast uses of the malloc call:
 ///   0: PointerType is the malloc calls' return type.

Modified: llvm/trunk/lib/Analysis/MemoryBuiltins.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/MemoryBuiltins.cpp?rev=231624&r1=231623&r2=231624&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/MemoryBuiltins.cpp (original)
+++ llvm/trunk/lib/Analysis/MemoryBuiltins.cpp Sun Mar  8 21:57:32 2015
@@ -232,23 +232,6 @@ static Value *computeArraySize(const Cal
   return nullptr;
 }
 
-/// isArrayMalloc - Returns the corresponding CallInst if the instruction
-/// is a call to malloc whose array size can be determined and the array size
-/// is not constant 1.  Otherwise, return NULL.
-const CallInst *llvm::isArrayMalloc(const Value *I,
-                                    const DataLayout *DL,
-                                    const TargetLibraryInfo *TLI) {
-  const CallInst *CI = extractMallocCall(I, TLI);
-  Value *ArraySize = computeArraySize(CI, DL, TLI);
-
-  if (ConstantInt *ConstSize = dyn_cast_or_null<ConstantInt>(ArraySize))
-    if (ConstSize->isOne())
-      return CI;
-
-  // CI is a non-array malloc or we can't figure out that it is an array malloc.
-  return nullptr;
-}
-
 /// getMallocType - Returns the PointerType resulting from the malloc call.
 /// The PointerType depends on the number of bitcast uses of the malloc call:
 ///   0: PointerType is the calls' return type.