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Tweak CreateMetadataVar, take the exact alignment instead of relying 

on LLVM TargetData.

llvm-svn: 66455
This commit is contained in:
Daniel Dunbar 2009-03-09 20:50:13 +00:00
parent 66f84e7a42
commit 463cc8ade5
1 changed files with 15 additions and 7 deletions
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22
clang/lib/CodeGen/CGObjCMac.cpp
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@ -436,11 +436,19 @@ protected:
/// This is a convenience wrapper which not only creates the /// This is a convenience wrapper which not only creates the
/// variable, but also sets the section and alignment and adds the /// variable, but also sets the section and alignment and adds the
/// global to the UsedGlobals list. /// global to the UsedGlobals list.
///
/// \param Name - The variable name.
/// \param Init - The variable initializer; this is also used to
/// define the type of the variable.
/// \param Section - The section the variable should go into, or 0.
/// \param Align - The alignment for the variable, or 0.
/// \param AddToUsed - Whether the variable should be added to
/// llvm.
llvm::GlobalVariable *CreateMetadataVar(const std::string &Name, llvm::GlobalVariable *CreateMetadataVar(const std::string &Name,
llvm::Constant *Init, llvm::Constant *Init,
const char *Section, const char *Section,
bool SetAlignment, unsigned Align,
bool IsUsed); bool AddToUsed);
public: public:
CGObjCCommonMac(CodeGen::CodeGenModule &cgm) : CGM(cgm) CGObjCCommonMac(CodeGen::CodeGenModule &cgm) : CGM(cgm)
@ -1857,8 +1865,8 @@ llvm::GlobalVariable *
CGObjCCommonMac::CreateMetadataVar(const std::string &Name, CGObjCCommonMac::CreateMetadataVar(const std::string &Name,
llvm::Constant *Init, llvm::Constant *Init,
const char *Section, const char *Section,
bool SetAlignment, unsigned Align,
bool IsUsed) { bool AddToUsed) {
const llvm::Type *Ty = Init->getType(); const llvm::Type *Ty = Init->getType();
llvm::GlobalVariable *GV = llvm::GlobalVariable *GV =
new llvm::GlobalVariable(Ty, false, new llvm::GlobalVariable(Ty, false,
@ -1868,9 +1876,9 @@ CGObjCCommonMac::CreateMetadataVar(const std::string &Name,
&CGM.getModule()); &CGM.getModule());
if (Section) if (Section)
GV->setSection(Section); GV->setSection(Section);
if (SetAlignment) if (Align)
GV->setAlignment(CGM.getTargetData().getPrefTypeAlignment(Ty)); GV->setAlignment(Align);
if (IsUsed) if (AddToUsed)
UsedGlobals.push_back(GV); UsedGlobals.push_back(GV);
return GV; return GV;
} }