| 1 | //===- lib/MC/MCValue.cpp - MCValue implementation ------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "llvm/MC/MCValue.h" |
| 10 | #include "llvm/Config/llvm-config.h" |
| 11 | #include "llvm/MC/MCExpr.h" |
| 12 | #include "llvm/Support/Debug.h" |
| 13 | #include "llvm/Support/ErrorHandling.h" |
| 14 | #include "llvm/Support/raw_ostream.h" |
| 15 | |
| 16 | using namespace llvm; |
| 17 | |
| 18 | void MCValue::print(raw_ostream &OS) const { |
| 19 | if (isAbsolute()) { |
| 20 | OS << getConstant(); |
| 21 | return; |
| 22 | } |
| 23 | |
| 24 | // FIXME: prints as a number, which isn't ideal. But the meaning will be |
| 25 | // target-specific anyway. |
| 26 | if (getRefKind()) |
| 27 | OS << ':' << getRefKind() << ':'; |
| 28 | |
| 29 | OS << *getSymA(); |
| 30 | |
| 31 | if (getSymB()) { |
| 32 | OS << " - "; |
| 33 | OS << *getSymB(); |
| 34 | } |
| 35 | |
| 36 | if (getConstant()) |
| 37 | OS << " + "<< getConstant(); |
| 38 | } |
| 39 | |
| 40 | #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| 41 | LLVM_DUMP_METHOD void MCValue::dump() const { |
| 42 | print(OS&: dbgs()); |
| 43 | } |
| 44 | #endif |
| 45 | |
| 46 | MCSymbolRefExpr::VariantKind MCValue::getAccessVariant() const { |
| 47 | const MCSymbolRefExpr *B = getSymB(); |
| 48 | if (B) { |
| 49 | if (B->getKind() != MCSymbolRefExpr::VK_None) |
| 50 | llvm_unreachable("unsupported"); |
| 51 | } |
| 52 | |
| 53 | const MCSymbolRefExpr *A = getSymA(); |
| 54 | if (!A) |
| 55 | return MCSymbolRefExpr::VK_None; |
| 56 | |
| 57 | return A->getKind(); |
| 58 | } |
| 59 |