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Move getPreferredAlignmentLog from AsmPrinter to TargetData

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31171 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2006-10-24 20:32:14 +00:00
parent 0e5e3aacbe
commit f9c197e022
8 changed files with 33 additions and 32 deletions
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2
lib/Target/Alpha/AlphaAsmPrinter.cpp
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@@ -232,7 +232,7 @@ bool AlphaAsmPrinter::doFinalization(Module &M) {
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
// unsigned Align = TD->getTypeAlignmentShift(C->getType());
unsigned Align = getPreferredAlignmentLog(I);
unsigned Align = TD->getPreferredAlignmentLog(I);
if (C->isNullValue() &&
(I->hasLinkOnceLinkage() || I->hasInternalLinkage() ||

2
lib/Target/PowerPC/PPCAsmPrinter.cpp
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@@ -513,7 +513,7 @@ bool DarwinAsmPrinter::doFinalization(Module &M) {
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
unsigned Align = getPreferredAlignmentLog(I);
unsigned Align = TD->getPreferredAlignmentLog(I);
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage() ||

23
lib/Target/TargetData.cpp
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@@ -354,3 +354,26 @@ uint64_t TargetData::getIndexedOffset(const Type *ptrTy,
return Result;
}
/// getPreferredAlignmentLog - Return the preferred alignment of the
/// specified global, returned in log form. This includes an explicitly
/// requested alignment (if the global has one).
unsigned TargetData::getPreferredAlignmentLog(const GlobalVariable *GV) const {
const Type *ElemType = GV->getType()->getElementType();
unsigned Alignment = 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 (getTypeSize(ElemType) > 128)
Alignment = 4; // 16-byte alignment.
}
}
return Alignment;
}

2
lib/Target/X86/X86AsmPrinter.cpp
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@@ -139,7 +139,7 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
unsigned Align = getPreferredAlignmentLog(I);
unsigned Align = TD->getPreferredAlignmentLog(I);
if (C->isNullValue() && /* FIXME: Verify correct */
(I->hasInternalLinkage() || I->hasWeakLinkage() ||

2
lib/Target/X86/X86IntelAsmPrinter.cpp
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@@ -387,7 +387,7 @@ bool X86IntelAsmPrinter::doFinalization(Module &M) {
std::string name = Mang->getValueName(I);
Constant *C = I->getInitializer();
unsigned Size = TD->getTypeSize(C->getType());
unsigned Align = getPreferredAlignmentLog(I);
unsigned Align = TD->getPreferredAlignmentLog(I);
bool bCustomSegment = false;
switch (I->getLinkage()) {