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-rw-r--r--include/llvm/ADT/APInt.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h
index 33d1dc9ec0..b91d5dc9bc 100644
--- a/include/llvm/ADT/APInt.h
+++ b/include/llvm/ADT/APInt.h
@@ -431,6 +431,13 @@ public:
/// @returns the low "numBits" bits of this APInt.
APInt getLoBits(unsigned numBits) const;
+ /// getOneBitSet - Return an APInt with exactly one bit set in the result.
+ static APInt getOneBitSet(unsigned numBits, unsigned BitNo) {
+ APInt Res(numBits, 0);
+ Res.setBit(BitNo);
+ return Res;
+ }
+
/// Constructs an APInt value that has a contiguous range of bits set. The
/// bits from loBit (inclusive) to hiBit (exclusive) will be set. All other
/// bits will be zero. For example, with parameters(32, 0, 16) you would get