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Derive DICompileUnit from DIScope.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80627 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2009-08-31 21:34:44 +00:00
parent dc8f6049d1
commit c9f322d9a6
2 changed files with 15 additions and 3 deletions
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10
include/llvm/Analysis/DebugInfo.h
View File

@ -95,6 +95,7 @@ namespace llvm {
bool isSubprogram() const;
bool isGlobalVariable() const;
bool isScope() const;
bool isCompileUnit() const;
};
/// DISubrange - This is used to represent ranges, for array bounds.
@ -129,10 +130,13 @@ namespace llvm {
};
/// DICompileUnit - A wrapper for a compile unit.
class DICompileUnit : public DIDescriptor {
class DICompileUnit : public DIScope {
public:
explicit DICompileUnit(MDNode *N = 0)
: DIDescriptor(N, dwarf::DW_TAG_compile_unit) {}
explicit DICompileUnit(MDNode *N = 0) {
DbgNode = N;
if (DbgNode && !isCompileUnit())
DbgNode = 0;
}
unsigned getLanguage() const { return getUnsignedField(2); }
const std::string &getFilename(std::string &F) const {

8
lib/Analysis/DebugInfo.cpp
View File

@ -227,6 +227,14 @@ bool DIDescriptor::isScope() const {
return false;
}
/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
bool DIDescriptor::isCompileUnit() const {
assert (!isNull() && "Invalid descriptor!");
unsigned Tag = getTag();
return Tag == dwarf::DW_TAG_compile_unit;
}
//===----------------------------------------------------------------------===//
// Simple Descriptor Constructors and other Methods
//===----------------------------------------------------------------------===//