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authorEli Bendersky <eliben@chromium.org>2013-07-15 16:09:15 -0700
committerEli Bendersky <eliben@chromium.org>2013-07-15 16:09:15 -0700
commitc6cf05cb5108f356dde97c01ee4188b0671d4542 (patch)
tree436fdc2a55296d3c202e7ef11f31be3be53efb5f /lib/IR/DataLayout.cpp
parentc75199c649c739aade160289d93f257edc798cde (diff)
parent7dfcb84fc16b3bf6b2379713b53090757f0a45f9 (diff)
Merge commit '7dfcb84fc16b3bf6b2379713b53090757f0a45f9'
Conflicts: docs/LangRef.rst include/llvm/CodeGen/CallingConvLower.h include/llvm/IRReader/IRReader.h include/llvm/Target/TargetMachine.h lib/CodeGen/CallingConvLower.cpp lib/IRReader/IRReader.cpp lib/IRReader/LLVMBuild.txt lib/IRReader/Makefile lib/LLVMBuild.txt lib/Makefile lib/Support/MemoryBuffer.cpp lib/Support/Unix/PathV2.inc lib/Target/ARM/ARMBaseInstrInfo.cpp lib/Target/ARM/ARMISelLowering.cpp lib/Target/ARM/ARMInstrInfo.td lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/ARMTargetMachine.cpp lib/Target/Mips/CMakeLists.txt lib/Target/Mips/MipsDelaySlotFiller.cpp lib/Target/Mips/MipsISelLowering.cpp lib/Target/Mips/MipsInstrInfo.td lib/Target/Mips/MipsSubtarget.cpp lib/Target/Mips/MipsSubtarget.h lib/Target/X86/X86FastISel.cpp lib/Target/X86/X86ISelDAGToDAG.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86InstrControl.td lib/Target/X86/X86InstrFormats.td lib/Transforms/IPO/ExtractGV.cpp lib/Transforms/InstCombine/InstCombineCompares.cpp lib/Transforms/Utils/SimplifyLibCalls.cpp test/CodeGen/X86/fast-isel-divrem.ll test/MC/ARM/data-in-code.ll tools/Makefile tools/llvm-extract/llvm-extract.cpp tools/llvm-link/CMakeLists.txt tools/opt/CMakeLists.txt tools/opt/LLVMBuild.txt tools/opt/Makefile tools/opt/opt.cpp
Diffstat (limited to 'lib/IR/DataLayout.cpp')
-rw-r--r--lib/IR/DataLayout.cpp60
1 files changed, 16 insertions, 44 deletions
diff --git a/lib/IR/DataLayout.cpp b/lib/IR/DataLayout.cpp
index f09de3a731..5658f56114 100644
--- a/lib/IR/DataLayout.cpp
+++ b/lib/IR/DataLayout.cpp
@@ -41,7 +41,7 @@ char DataLayout::ID = 0;
// Support for StructLayout
//===----------------------------------------------------------------------===//
-StructLayout::StructLayout(StructType *ST, const DataLayout &TD) {
+StructLayout::StructLayout(StructType *ST, const DataLayout &DL) {
assert(!ST->isOpaque() && "Cannot get layout of opaque structs");
StructAlignment = 0;
StructSize = 0;
@@ -50,7 +50,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &TD) {
// Loop over each of the elements, placing them in memory.
for (unsigned i = 0, e = NumElements; i != e; ++i) {
Type *Ty = ST->getElementType(i);
- unsigned TyAlign = ST->isPacked() ? 1 : TD.getABITypeAlignment(Ty);
+ unsigned TyAlign = ST->isPacked() ? 1 : DL.getABITypeAlignment(Ty);
// Add padding if necessary to align the data element properly.
if ((StructSize & (TyAlign-1)) != 0)
@@ -60,7 +60,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &TD) {
StructAlignment = std::max(TyAlign, StructAlignment);
MemberOffsets[i] = StructSize;
- StructSize += TD.getTypeAllocSize(Ty); // Consume space for this data item
+ StructSize += DL.getTypeAllocSize(Ty); // Consume space for this data item
}
// Empty structures have alignment of 1 byte.
@@ -438,6 +438,12 @@ DataLayout::~DataLayout() {
delete static_cast<StructLayoutMap*>(LayoutMap);
}
+bool DataLayout::doFinalization(Module &M) {
+ delete static_cast<StructLayoutMap*>(LayoutMap);
+ LayoutMap = 0;
+ return false;
+}
+
const StructLayout *DataLayout::getStructLayout(StructType *Ty) const {
if (!LayoutMap)
LayoutMap = new StructLayoutMap();
@@ -504,47 +510,6 @@ std::string DataLayout::getStringRepresentation() const {
}
-uint64_t DataLayout::getTypeSizeInBits(Type *Ty) const {
- assert(Ty->isSized() && "Cannot getTypeInfo() on a type that is unsized!");
- switch (Ty->getTypeID()) {
- case Type::LabelTyID:
- return getPointerSizeInBits(0);
- case Type::PointerTyID: {
- unsigned AS = dyn_cast<PointerType>(Ty)->getAddressSpace();
- return getPointerSizeInBits(AS);
- }
- case Type::ArrayTyID: {
- ArrayType *ATy = cast<ArrayType>(Ty);
- return getTypeAllocSizeInBits(ATy->getElementType())*ATy->getNumElements();
- }
- case Type::StructTyID:
- // Get the layout annotation... which is lazily created on demand.
- return getStructLayout(cast<StructType>(Ty))->getSizeInBits();
- case Type::IntegerTyID:
- return cast<IntegerType>(Ty)->getBitWidth();
- case Type::HalfTyID:
- return 16;
- case Type::FloatTyID:
- return 32;
- case Type::DoubleTyID:
- case Type::X86_MMXTyID:
- return 64;
- case Type::PPC_FP128TyID:
- case Type::FP128TyID:
- return 128;
- // In memory objects this is always aligned to a higher boundary, but
- // only 80 bits contain information.
- case Type::X86_FP80TyID:
- return 80;
- case Type::VectorTyID: {
- VectorType *VTy = cast<VectorType>(Ty);
- return VTy->getNumElements()*getTypeSizeInBits(VTy->getElementType());
- }
- default:
- llvm_unreachable("DataLayout::getTypeSizeInBits(): Unsupported type");
- }
-}
-
/*!
\param abi_or_pref Flag that determines which alignment is returned. true
returns the ABI alignment, false returns the preferred alignment.
@@ -656,6 +621,13 @@ Type *DataLayout::getIntPtrType(Type *Ty) const {
return IntTy;
}
+Type *DataLayout::getSmallestLegalIntType(LLVMContext &C, unsigned Width) const {
+ for (unsigned i = 0, e = (unsigned)LegalIntWidths.size(); i != e; ++i)
+ if (Width <= LegalIntWidths[i])
+ return Type::getIntNTy(C, LegalIntWidths[i]);
+ return 0;
+}
+
uint64_t DataLayout::getIndexedOffset(Type *ptrTy,
ArrayRef<Value *> Indices) const {
Type *Ty = ptrTy;