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IR: Replace DataLayout::RoundUpAlignment with RoundUpToAlignment

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No functional change intended, just cleaning up some code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@220187 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Majnemer 2014-10-20 06:13:33 +00:00
parent 080dfb5bda
commit 7798534e77
5 changed files with 11 additions and 20 deletions
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12
include/llvm/IR/DataLayout.h
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@ -369,7 +369,7 @@ public:
/// x86_fp80, depending on alignment.
uint64_t getTypeAllocSize(Type *Ty) const {
// Round up to the next alignment boundary.
return RoundUpAlignment(getTypeStoreSize(Ty), getABITypeAlignment(Ty));
return RoundUpToAlignment(getTypeStoreSize(Ty), getABITypeAlignment(Ty));
}
/// getTypeAllocSizeInBits - Return the offset in bits between successive
@ -438,16 +438,6 @@ public:
/// specified global, returned in log form. This includes an explicitly
/// requested alignment (if the global has one).
unsigned getPreferredAlignmentLog(const GlobalVariable *GV) const;
/// RoundUpAlignment - Round the specified value up to the next alignment
/// boundary specified by Alignment. For example, 7 rounded up to an
/// alignment boundary of 4 is 8. 8 rounded up to the alignment boundary of 4
/// is 8 because it is already aligned.
template <typename UIntTy>
static UIntTy RoundUpAlignment(UIntTy Val, unsigned Alignment) {
assert((Alignment & (Alignment-1)) == 0 && "Alignment must be power of 2!");
return (Val + (Alignment-1)) & ~UIntTy(Alignment-1);
}
};
inline DataLayout *unwrap(LLVMTargetDataRef P) {

3
include/llvm/Support/MathExtras.h
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@ -597,7 +597,8 @@ inline uint64_t PowerOf2Floor(uint64_t A) {
/// RoundUpToAlignment(~0LL, 8) = 0
/// \endcode
inline uint64_t RoundUpToAlignment(uint64_t Value, uint64_t Align) {
return ((Value + Align - 1) / Align) * Align;
assert(isPowerOf2_64(Align) && "Alignment must be power of 2!");
return (Value + Align - 1) & ~uint64_t(Align - 1);
}
/// Returns the offset to the next integer (mod 2**64) that is greater than

4
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -91,8 +91,8 @@ public:
Type *ElTy = GV->getType()->getElementType();
size_t GVSize = (size_t)TD.getTypeAllocSize(ElTy);
void *RawMemory = ::operator new(
DataLayout::RoundUpAlignment(sizeof(GVMemoryBlock),
TD.getPreferredAlignment(GV))
RoundUpToAlignment(sizeof(GVMemoryBlock),
TD.getPreferredAlignment(GV))
+ GVSize);
new(RawMemory) GVMemoryBlock(GV);
return static_cast<char*>(RawMemory) + sizeof(GVMemoryBlock);

4
lib/IR/DataLayout.cpp
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@ -55,7 +55,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &DL) {
// Add padding if necessary to align the data element properly.
if ((StructSize & (TyAlign-1)) != 0)
StructSize = DataLayout::RoundUpAlignment(StructSize, TyAlign);
StructSize = RoundUpToAlignment(StructSize, TyAlign);
// Keep track of maximum alignment constraint.
StructAlignment = std::max(TyAlign, StructAlignment);
@ -70,7 +70,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &DL) {
// Add padding to the end of the struct so that it could be put in an array
// and all array elements would be aligned correctly.
if ((StructSize & (StructAlignment-1)) != 0)
StructSize = DataLayout::RoundUpAlignment(StructSize, StructAlignment);
StructSize = RoundUpToAlignment(StructSize, StructAlignment);
}

8
lib/Transforms/Instrumentation/MemorySanitizer.cpp
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@ -980,7 +980,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
setOrigin(A, EntryIRB.CreateLoad(OriginPtr));
}
}
ArgOffset += DataLayout::RoundUpAlignment(Size, kShadowTLSAlignment);
ArgOffset += RoundUpToAlignment(Size, kShadowTLSAlignment);
}
assert(*ShadowPtr && "Could not find shadow for an argument");
return *ShadowPtr;
@ -2347,7 +2347,7 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
(void)Store;
assert(Size != 0 && Store != nullptr);
DEBUG(dbgs() << " Param:" << *Store << "\n");
ArgOffset += DataLayout::RoundUpAlignment(Size, 8);
ArgOffset += RoundUpToAlignment(Size, 8);
}
DEBUG(dbgs() << " done with call args\n");
@ -2628,7 +2628,7 @@ struct VarArgAMD64Helper : public VarArgHelper {
Type *RealTy = A->getType()->getPointerElementType();
uint64_t ArgSize = MS.DL->getTypeAllocSize(RealTy);
Value *Base = getShadowPtrForVAArgument(RealTy, IRB, OverflowOffset);
OverflowOffset += DataLayout::RoundUpAlignment(ArgSize, 8);
OverflowOffset += RoundUpToAlignment(ArgSize, 8);
IRB.CreateMemCpy(Base, MSV.getShadowPtr(A, IRB.getInt8Ty(), IRB),
ArgSize, kShadowTLSAlignment);
} else {
@ -2650,7 +2650,7 @@ struct VarArgAMD64Helper : public VarArgHelper {
case AK_Memory:
uint64_t ArgSize = MS.DL->getTypeAllocSize(A->getType());
Base = getShadowPtrForVAArgument(A->getType(), IRB, OverflowOffset);
OverflowOffset += DataLayout::RoundUpAlignment(ArgSize, 8);
OverflowOffset += RoundUpToAlignment(ArgSize, 8);
}
IRB.CreateAlignedStore(MSV.getShadow(A), Base, kShadowTLSAlignment);
}