Method compileAtomicCheckOffsetAlignment

lib/llvm/compiler.cpp:3963–3975

  }

  void compileAtomicCheckOffsetAlignment(LLVM::Value Offset,
                                         LLVM::Type IntType) noexcept {
    const auto BitWidth = IntType.getIntegerBitWidth();
    auto BWMask = LLContext.getInt64((BitWidth >> 3) - 1);
    auto Value = Builder.createAnd(Offset, BWMask);
    auto OkBB = LLVM::BasicBlock::create(LLContext, F.Fn, "address_align_ok");
    auto IsAddressAligned = Builder.createLikely(
        Builder.createICmpEQ(Value, LLContext.getInt64(0)));
    Builder.createCondBr(IsAddressAligned, OkBB,
                         getTrapBB(ErrCode::Value::UnalignedAtomicAccess));

    Builder.positionAtEnd(OkBB);
  }

  void compileMemoryFence() noexcept {
    Builder.createFence(LLVMAtomicOrderingSequentiallyConsistent);