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-rw-r--r--contrib/llvm/lib/IR/DataLayout.cpp26
1 files changed, 17 insertions, 9 deletions
diff --git a/contrib/llvm/lib/IR/DataLayout.cpp b/contrib/llvm/lib/IR/DataLayout.cpp
index 5658f56..6bdc09e 100644
--- a/contrib/llvm/lib/IR/DataLayout.cpp
+++ b/contrib/llvm/lib/IR/DataLayout.cpp
@@ -200,9 +200,7 @@ static unsigned inBytes(unsigned Bits) {
}
void DataLayout::parseSpecifier(StringRef Desc) {
-
while (!Desc.empty()) {
-
// Split at '-'.
std::pair<StringRef, StringRef> Split = split(Desc, '-');
Desc = Split.second;
@@ -482,7 +480,7 @@ std::string DataLayout::getStringRepresentation() const {
addrSpaces.push_back(pib->first);
}
std::sort(addrSpaces.begin(), addrSpaces.end());
- for (SmallVector<unsigned, 8>::iterator asb = addrSpaces.begin(),
+ for (SmallVectorImpl<unsigned>::iterator asb = addrSpaces.begin(),
ase = addrSpaces.end(); asb != ase; ++asb) {
const PointerAlignElem &PI = Pointers.find(*asb)->second;
OS << "-p";
@@ -509,6 +507,15 @@ std::string DataLayout::getStringRepresentation() const {
return OS.str();
}
+unsigned DataLayout::getPointerTypeSizeInBits(Type *Ty) const {
+ assert(Ty->isPtrOrPtrVectorTy() &&
+ "This should only be called with a pointer or pointer vector type");
+
+ if (Ty->isPointerTy())
+ return getTypeSizeInBits(Ty);
+
+ return getTypeSizeInBits(Ty->getScalarType());
+}
/*!
\param abi_or_pref Flag that determines which alignment is returned. true
@@ -582,7 +589,6 @@ unsigned DataLayout::getABIIntegerTypeAlignment(unsigned BitWidth) const {
return getAlignmentInfo(INTEGER_ALIGN, BitWidth, true, 0);
}
-
unsigned DataLayout::getCallFrameTypeAlignment(Type *Ty) const {
for (unsigned i = 0, e = Alignments.size(); i != e; ++i)
if (Alignments[i].AlignType == STACK_ALIGN)
@@ -601,16 +607,11 @@ unsigned DataLayout::getPreferredTypeAlignmentShift(Type *Ty) const {
return Log2_32(Align);
}
-/// getIntPtrType - Return an integer type with size at least as big as that
-/// of a pointer in the given address space.
IntegerType *DataLayout::getIntPtrType(LLVMContext &C,
unsigned AddressSpace) const {
return IntegerType::get(C, getPointerSizeInBits(AddressSpace));
}
-/// getIntPtrType - Return an integer (vector of integer) type with size at
-/// least as big as that of a pointer of the given pointer (vector of pointer)
-/// type.
Type *DataLayout::getIntPtrType(Type *Ty) const {
assert(Ty->isPtrOrPtrVectorTy() &&
"Expected a pointer or pointer vector type.");
@@ -628,6 +629,13 @@ Type *DataLayout::getSmallestLegalIntType(LLVMContext &C, unsigned Width) const
return 0;
}
+unsigned DataLayout::getLargestLegalIntTypeSize() const {
+ unsigned MaxWidth = 0;
+ for (unsigned i = 0, e = (unsigned)LegalIntWidths.size(); i != e; ++i)
+ MaxWidth = std::max<unsigned>(MaxWidth, LegalIntWidths[i]);
+ return MaxWidth;
+}
+
uint64_t DataLayout::getIndexedOffset(Type *ptrTy,
ArrayRef<Value *> Indices) const {
Type *Ty = ptrTy;
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