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Alignment of globals has not been quite right. Needed to drop the pointer type

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to get the alignment of the element type.

llvm-svn: 28799
This commit is contained in:
Jim Laskey 2006-06-15 13:10:58 +00:00
parent cc433bd065
commit 61655f779a
1 changed files with 3 additions and 5 deletions
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8
lib/CodeGen/AsmPrinter.cpp
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@ -244,18 +244,16 @@ void AsmPrinter::EmitXXStructorList(Constant *List) {
/// specified global, returned in log form. This includes an explicitly
/// requested alignment (if the global has one).
unsigned AsmPrinter::getPreferredAlignmentLog(const GlobalVariable *GV) const {
unsigned Alignment = TM.getTargetData()->getTypeAlignmentShift(GV->getType());
const Type *ElemType = GV->getType()->getElementType();
unsigned Alignment = TM.getTargetData()->getTypeAlignmentShift(ElemType);
if (GV->getAlignment() > (1U << Alignment))
Alignment = Log2_32(GV->getAlignment());
if (GV->hasInitializer()) {
// Always round up alignment of global doubles to 8 bytes.
if (GV->getType()->getElementType() == Type::DoubleTy && Alignment < 3)
Alignment = 3;
if (Alignment < 4) {
// If the global is not external, see if it is large. If so, give it a
// larger alignment.
if (TM.getTargetData()->getTypeSize(GV->getType()->getElementType()) > 128)
if (TM.getTargetData()->getTypeSize(ElemType) > 128)
Alignment = 4; // 16-byte alignment.
}
}