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Add MCSymbol::isInSection.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98790 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-03-18 00:59:02 +00:00
parent 0682951b4f
commit daf9733369
1 changed files with 9 additions and 4 deletions
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13
include/llvm/MC/MCSymbol.h
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@@ -28,8 +28,7 @@ namespace llvm {
/// ///
/// If the symbol is defined/emitted into the current translation unit, the /// If the symbol is defined/emitted into the current translation unit, the
/// Section member is set to indicate what section it lives in. Otherwise, if /// Section member is set to indicate what section it lives in. Otherwise, if
/// it is a reference to an external entity, it has a null section. /// it is a reference to an external entity, it has a null section.
///
class MCSymbol { class MCSymbol {
// Special sentinal value for the absolute pseudo section. // Special sentinal value for the absolute pseudo section.
// //
@@ -52,7 +51,7 @@ namespace llvm {
/// typically does not survive in the .o file's symbol table. Usually /// typically does not survive in the .o file's symbol table. Usually
/// "Lfoo" or ".foo". /// "Lfoo" or ".foo".
unsigned IsTemporary : 1; unsigned IsTemporary : 1;
private: // MCContext creates and uniques these. private: // MCContext creates and uniques these.
friend class MCContext; friend class MCContext;
MCSymbol(StringRef name, bool isTemporary) MCSymbol(StringRef name, bool isTemporary)
@@ -83,6 +82,12 @@ namespace llvm {
return Section != 0; return Section != 0;
} }
/// isInSection - Check if this symbol is defined in some section (i.e., it
/// is defined but not absolute).
bool isInSection() const {
return isDefined() && !isAbsolute();
}
/// isUndefined - Check if this symbol undefined (i.e., implicitly defined). /// isUndefined - Check if this symbol undefined (i.e., implicitly defined).
bool isUndefined() const { bool isUndefined() const {
return !isDefined(); return !isDefined();
@@ -96,7 +101,7 @@ namespace llvm {
/// getSection - Get the section associated with a defined, non-absolute /// getSection - Get the section associated with a defined, non-absolute
/// symbol. /// symbol.
const MCSection &getSection() const { const MCSection &getSection() const {
assert(!isUndefined() && !isAbsolute() && "Invalid accessor!"); assert(isInSection() && "Invalid accessor!");
return *Section; return *Section;
} }