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Propagate alignment, section name and visibility when linking "appending 

global values".
Fix noinline linkage.

llvm-svn: 37482
This commit is contained in:
Lauro Ramos Venancio 2007-06-06 22:01:12 +00:00
parent cb90f1d881
commit 85703e3796
1 changed files with 15 additions and 0 deletions
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15
llvm/lib/Linker/LinkModules.cpp
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@ -827,6 +827,18 @@ static bool LinkAppendingVars(Module *M,
return Error(ErrorMsg,
"Appending variables linked with different const'ness!");
if (G1->getAlignment() != G2->getAlignment())
return Error(ErrorMsg,
"Appending variables with different alignment need to be linked!");
if (G1->getVisibility() != G2->getVisibility())
return Error(ErrorMsg,
"Appending variables with different visibility need to be linked!");
if (G1->getSection() != G2->getSection())
return Error(ErrorMsg,
"Appending variables with different section name need to be linked!");
unsigned NewSize = T1->getNumElements() + T2->getNumElements();
ArrayType *NewType = ArrayType::get(T1->getElementType(), NewSize);
@ -837,6 +849,9 @@ static bool LinkAppendingVars(Module *M,
new GlobalVariable(NewType, G1->isConstant(), G1->getLinkage(),
/*init*/0, First->first, M, G1->isThreadLocal());
// Propagate alignment, visibility and section info.
CopyGVAttributes(NG, G1);
// Merge the initializer...
Inits.reserve(NewSize);
if (ConstantArray *I = dyn_cast<ConstantArray>(G1->getInitializer())) {