search for: l00408

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2010 Jan 03
1
[LLVMdev] safe to speculatively execute load of malloc?
I've just noticed this, in Instruction::isSafeToSpeculativelyExecute(): http://llvm.org/doxygen/Instruction_8cpp-source.html#l00408 00430 case Load: { 00431 if (cast<LoadInst>(this)->isVolatile()) 00432 return false; 00433 if (isa<AllocaInst>(getOperand(0)) || isMalloc(getOperand(0))) 00434 return true; This says that it's safe to speculatively execute a load from the pointer returned...