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simplify handling "don't print top level name" processing, so that we get

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stuff like %A = type { %A*} instead of an upref.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65748 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-03-01 01:16:21 +00:00
parent a27ea9e89f
commit d2b6cb0a2b
2 changed files with 25 additions and 40 deletions
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9
include/llvm/Assembly/Writer.h
View File

@ -38,8 +38,11 @@ public:
void clear();
void print(const Type *Ty, raw_ostream &OS);
void printAtLeastOneLevel(const Type *Ty, raw_ostream &OS);
void print(const Type *Ty, raw_ostream &OS, bool IgnoreTopLevelName = false);
void printAtLeastOneLevel(const Type *Ty, raw_ostream &OS) {
print(Ty, OS, true);
}
/// hasTypeName - Return true if the type has a name in TypeNames, false
/// otherwise.
@ -52,7 +55,7 @@ public:
private:
void CalcTypeName(const Type *Ty, SmallVectorImpl<const Type *> &TypeStack,
raw_ostream &OS);
raw_ostream &OS, bool IgnoreTopLevelName = false);
};
// WriteTypeSymbolic - This attempts to write the specified type as a symbolic

56
lib/VMCore/AsmWriter.cpp
View File

@ -166,15 +166,15 @@ TypePrinting::~TypePrinting() {
/// use of type names or up references to shorten the type name where possible.
void TypePrinting::CalcTypeName(const Type *Ty,
SmallVectorImpl<const Type *> &TypeStack,
raw_ostream &OS) {
raw_ostream &OS, bool IgnoreTopLevelName) {
// Check to see if the type is named.
DenseMap<const Type*, std::string> &TM = getTypeNamesMap(TypeNames);
DenseMap<const Type *, std::string>::iterator I = TM.find(Ty);
if (I != TM.end() &&
// If the name wasn't temporarily removed use it.
!I->second.empty()) {
OS << I->second;
return;
if (!IgnoreTopLevelName) {
DenseMap<const Type*, std::string> &TM = getTypeNamesMap(TypeNames);
DenseMap<const Type *, std::string>::iterator I = TM.find(Ty);
if (I != TM.end()) {
OS << I->second;
return;
}
}
// Check to see if the Type is already on the stack...
@ -273,13 +273,16 @@ void TypePrinting::CalcTypeName(const Type *Ty,
/// printTypeInt - The internal guts of printing out a type that has a
/// potentially named portion.
///
void TypePrinting::print(const Type *Ty, raw_ostream &OS) {
void TypePrinting::print(const Type *Ty, raw_ostream &OS,
bool IgnoreTopLevelName) {
// Check to see if the type is named.
DenseMap<const Type*, std::string> &TM = getTypeNamesMap(TypeNames);
DenseMap<const Type*, std::string>::iterator I = TM.find(Ty);
if (I != TM.end()) {
OS << I->second;
return;
if (!IgnoreTopLevelName) {
DenseMap<const Type*, std::string>::iterator I = TM.find(Ty);
if (I != TM.end()) {
OS << I->second;
return;
}
}
// Otherwise we have a type that has not been named but is a derived type.
@ -289,33 +292,12 @@ void TypePrinting::print(const Type *Ty, raw_ostream &OS) {
std::string TypeName;
raw_string_ostream TypeOS(TypeName);
CalcTypeName(Ty, TypeStack, TypeOS);
CalcTypeName(Ty, TypeStack, TypeOS, IgnoreTopLevelName);
OS << TypeOS.str();
// Cache type name for later use.
TM.insert(std::make_pair(Ty, TypeOS.str()));
}
/// printAtLeastOneLevel - Print out one level of the possibly complex type
/// without considering any symbolic types that we may have equal to it.
void TypePrinting::printAtLeastOneLevel(const Type *Ty, raw_ostream &OS) {
// If the type does not have a name, then it is already guaranteed to print at
// least one level.
DenseMap<const Type*, std::string> &TM = getTypeNamesMap(TypeNames);
DenseMap<const Type*, std::string>::iterator I = TM.find(Ty);
if (I == TM.end())
return print(Ty, OS);
// Otherwise, temporarily remove the name and print it.
std::string OldName;
std::swap(OldName, I->second);
// Print the type without the name.
SmallVector<const Type *, 16> TypeStack;
CalcTypeName(Ty, TypeStack, OS);
// Restore the name.
std::swap(OldName, I->second);
if (!IgnoreTopLevelName)
TM.insert(std::make_pair(Ty, TypeOS.str()));
}
namespace {