diff options
| -rw-r--r-- | include/llvm/ADT/APInt.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/llvm/ADT/APInt.h b/include/llvm/ADT/APInt.h index 7614c688c3..15652a2b71 100644 --- a/include/llvm/ADT/APInt.h +++ b/include/llvm/ADT/APInt.h @@ -723,6 +723,40 @@ public: return T.F; } + /// The conversion does not do a translation from double to integer, it just + /// re-interprets the bits of the double. Note that it is valid to do this on + /// any bit width but bits from V may get truncated. + /// @brief Converts a double to APInt bits. + APInt& doubleToBits(double V) { + union { + uint64_t I; + double D; + } T; + T.D = V; + if (isSingleWord()) + VAL = T.I; + else + pVal[0] = T.I; + return clearUnusedBits(); + } + + /// The conversion does not do a translation from float to integer, it just + /// re-interprets the bits of the float. Note that it is valid to do this on + /// any bit width but bits from V may get truncated. + /// @brief Converts a float to APInt bits. + APInt& floatToBits(float V) { + union { + uint32_t I; + float F; + } T; + T.F = V; + if (isSingleWord()) + VAL = T.I; + else + pVal[0] = T.I; + return clearUnusedBits(); + } + /// @brief Compute the square root APInt sqrt() const; }; |