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DCE: isArrayMalloc() is not used neither in LLVM nor Clang

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From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 231624
This commit is contained in:
Mehdi Amini
2015-03-09 02:57:32 +00:00
parent d64657f298
commit 75eda5e913
2 changed files with 0 additions and 23 deletions
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17
llvm/lib/Analysis/MemoryBuiltins.cpp
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@@ -232,23 +232,6 @@ static Value *computeArraySize(const CallInst *CI, const DataLayout *DL,
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.