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Force packed vectors to be a power of two in length.

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llvm-svn: 24264
This commit is contained in:
Chris Lattner 2005-11-10 01:40:59 +00:00
parent 29585fd8c8
commit 6a14d020a3
1 changed files with 2 additions and 0 deletions
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2
lib/VMCore/Type.cpp
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@ -19,6 +19,7 @@
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/SCCIterator.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/MathExtras.h"
#include <algorithm>
#include <iostream>
using namespace llvm;
@ -1005,6 +1006,7 @@ static TypeMap<PackedValType, PackedType> PackedTypes;
PackedType *PackedType::get(const Type *ElementType, unsigned NumElements) {
assert(ElementType && "Can't get packed of null types!");
assert(isPowerOf2_32(NumElements) && "Vector length should be a power of 2!");
PackedValType PVT(ElementType, NumElements);
PackedType *PT = PackedTypes.get(PVT);