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Use getAllOnesValue, saves a copy and looks better.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-08-13 00:29:44 +00:00
parent 7f1f4089a1
commit 452b93e7dc
1 changed files with 2 additions and 2 deletions
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4
include/llvm/ADT/APInt.h
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@ -464,7 +464,7 @@ public:
// For small values, return quickly // For small values, return quickly
if (numBits <= APINT_BITS_PER_WORD) if (numBits <= APINT_BITS_PER_WORD)
return APInt(numBits, ~0ULL << shiftAmt); return APInt(numBits, ~0ULL << shiftAmt);
return (~APInt(numBits, 0)).shl(shiftAmt); return getAllOnesValue(numBits).shl(shiftAmt);
} }
/// Constructs an APInt value that has the bottom loBitsSet bits set. /// Constructs an APInt value that has the bottom loBitsSet bits set.
@ -481,7 +481,7 @@ public:
// For small values, return quickly. // For small values, return quickly.
if (numBits < APINT_BITS_PER_WORD) if (numBits < APINT_BITS_PER_WORD)
return APInt(numBits, (1ULL << loBitsSet) - 1); return APInt(numBits, (1ULL << loBitsSet) - 1);
return (~APInt(numBits, 0)).lshr(numBits - loBitsSet); return getAllOnesValue(numBits).lshr(numBits - loBitsSet);
} }
/// The hash value is computed as the sum of the words and the bit width. /// The hash value is computed as the sum of the words and the bit width.