Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial.

This is a backword compatible change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115084 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2010-09-29 21:04:46 +00:00
parent b0725316cd
commit 9dd2b47d44
4 changed files with 24 additions and 19 deletions

View File

@ -46,6 +46,16 @@ namespace llvm {
/// This should not be stored in a container, because underly MDNode may
/// change in certain situations.
class DIDescriptor {
public:
enum {
FlagPrivate = 1 << 0,
FlagProtected = 1 << 1,
FlagFwdDecl = 1 << 2,
FlagAppleBlock = 1 << 3,
FlagBlockByrefStruct = 1 << 4,
FlagVirtual = 1 << 5,
FlagArtificial = 1 << 6
};
protected:
const MDNode *DbgNode;
@ -203,17 +213,6 @@ namespace llvm {
/// others do not require a huge and empty descriptor full of zeros.
class DIType : public DIScope {
public:
enum {
FlagPrivate = 1 << 0,
FlagProtected = 1 << 1,
FlagFwdDecl = 1 << 2,
FlagAppleBlock = 1 << 3,
FlagBlockByrefStruct = 1 << 4,
FlagVirtual = 1 << 5,
FlagArtificial = 1 << 6 // To identify artificial arguments in
// a subroutine type. e.g. "this" in c++.
};
protected:
// This ctor is used when the Tag has already been validated by a derived
// ctor.
@ -396,7 +395,12 @@ namespace llvm {
DICompositeType getContainingType() const {
return getFieldAs<DICompositeType>(13);
}
unsigned isArtificial() const { return getUnsignedField(14); }
unsigned isArtificial() const {
if (getVersion() <= llvm::LLVMDebugVersion8)
return getUnsignedField(14);
return (getUnsignedField(14) & FlagArtificial) != 0;
}
unsigned isOptimized() const;
StringRef getFilename() const {
@ -691,7 +695,7 @@ namespace llvm {
unsigned VK = 0,
unsigned VIndex = 0,
DIType = DIType(),
bool isArtificial = 0,
unsigned Flags = 0,
bool isOptimized = false,
Function *Fn = 0);