C++ (Cpp) iterator::mayAlias Examples

Example #1

File: SILoadStoreOptimizer.cpp Project: jamboree/llvm

static bool memAccessesCanBeReordered(MachineBasicBlock::iterator A,
                                      MachineBasicBlock::iterator B,
                                      AliasAnalysis *AA) {
  // RAW or WAR - cannot reorder
  // WAW - cannot reorder
  // RAR - safe to reorder
  return !(A->mayStore() || B->mayStore()) || !A->mayAlias(AA, *B, true);
}