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remove extractMallocCallFromBitCast, since it was tailor maded for its sole user. Update GlobalOpt accordingly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158952 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nuno Lopes 2012-06-22 00:25:01 +00:00
parent f1fb6c8369
commit eb7c6865cd
3 changed files with 5 additions and 17 deletions
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7
include/llvm/Analysis/MemoryBuiltins.h
View File

@ -69,13 +69,6 @@ static inline CallInst *extractMallocCall(Value *I) {
return const_cast<CallInst*>(extractMallocCall((const 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);
static inline CallInst *extractMallocCallFromBitCast(Value *I) {
return const_cast<CallInst*>(extractMallocCallFromBitCast((const Value*)I));
}
/// 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.

9
lib/Analysis/MemoryBuiltins.cpp
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@ -170,14 +170,7 @@ bool llvm::isReallocLikeFn(const Value *V, bool LookThroughBitCast) {
/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we
/// ignore InvokeInst here.
const CallInst *llvm::extractMallocCall(const Value *I) {
return isMallocLikeFn(I) ? cast<CallInst>(I) : 0;
}
/// extractMallocCallFromBitCast - Returns the corresponding CallInst if the
/// instruction is a bitcast of the result of a malloc call.
const CallInst *llvm::extractMallocCallFromBitCast(const Value *I) {
const BitCastInst *BCI = dyn_cast<BitCastInst>(I);
return BCI ? extractMallocCall(BCI->getOperand(0)) : 0;
return isMallocLikeFn(I) ? dyn_cast<CallInst>(I) : 0;
}
static Value *computeArraySize(const CallInst *CI, const TargetData *TD,

6
lib/Transforms/IPO/GlobalOpt.cpp
View File

@ -1567,8 +1567,10 @@ static bool TryToOptimizeStoreOfMallocToGlobal(GlobalVariable *GV,
Instruction *Cast = new BitCastInst(Malloc, CI->getType(), "tmp", CI);
CI->replaceAllUsesWith(Cast);
CI->eraseFromParent();
CI = dyn_cast<BitCastInst>(Malloc) ?
extractMallocCallFromBitCast(Malloc) : cast<CallInst>(Malloc);
if (BitCastInst *BCI = dyn_cast<BitCastInst>(Malloc))
CI = cast<CallInst>(BCI->getOperand(0));
else
CI = cast<CallInst>(Malloc);
}
GVI = PerformHeapAllocSRoA(GV, CI, getMallocArraySize(CI, TD, true), TD);