Displaying 1 result from an estimated 1 matches for "r92452".
Did you mean:
r92450
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