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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208421 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2014-05-09 16:01:06 +00:00
parent f35cc81810
commit b4c14b4ad3
1 changed files with 5 additions and 3 deletions
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8
lib/Transforms/Utils/Local.cpp
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@ -896,14 +896,16 @@ static unsigned enforceKnownAlignment(Value *V, unsigned Align,
return PrefAlign;
}
if (GlobalValue *GV = dyn_cast<GlobalValue>(V)) {
if (auto *GV = dyn_cast<GlobalValue>(V)) {
// If there is a large requested alignment and we can, bump up the alignment
// of the global.
if (GV->isDeclaration()) return Align;
if (GV->isDeclaration())
return Align;
// If the memory we set aside for the global may not be the memory used by
// the final program then it is impossible for us to reliably enforce the
// preferred alignment.
if (GV->isWeakForLinker()) return Align;
if (GV->isWeakForLinker())
return Align;
if (GV->getAlignment() >= PrefAlign)
return GV->getAlignment();