diff options
Diffstat (limited to 'contrib/llvm/lib/MC/MCValue.cpp')
-rw-r--r-- | contrib/llvm/lib/MC/MCValue.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/llvm/lib/MC/MCValue.cpp b/contrib/llvm/lib/MC/MCValue.cpp new file mode 100644 index 0000000..495a2b6 --- /dev/null +++ b/contrib/llvm/lib/MC/MCValue.cpp @@ -0,0 +1,61 @@ +//===- lib/MC/MCValue.cpp - MCValue implementation ------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/MC/MCValue.h" +#include "llvm/MC/MCExpr.h" +#include "llvm/Support/Debug.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/raw_ostream.h" + +using namespace llvm; + +void MCValue::print(raw_ostream &OS) const { + if (isAbsolute()) { + OS << getConstant(); + return; + } + + // FIXME: prints as a number, which isn't ideal. But the meaning will be + // target-specific anyway. + if (getRefKind()) + OS << ':' << getRefKind() << ':'; + + OS << *getSymA(); + + if (getSymB()) { + OS << " - "; + OS << *getSymB(); + } + + if (getConstant()) + OS << " + " << getConstant(); +} + +#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) +void MCValue::dump() const { + print(dbgs()); +} +#endif + +MCSymbolRefExpr::VariantKind MCValue::getAccessVariant() const { + const MCSymbolRefExpr *B = getSymB(); + if (B) { + if (B->getKind() != MCSymbolRefExpr::VK_None) + llvm_unreachable("unsupported"); + } + + const MCSymbolRefExpr *A = getSymA(); + if (!A) + return MCSymbolRefExpr::VK_None; + + MCSymbolRefExpr::VariantKind Kind = A->getKind(); + if (Kind == MCSymbolRefExpr::VK_WEAKREF) + return MCSymbolRefExpr::VK_None; + return Kind; +} |