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author | Craig Topper <craig.topper@gmail.com> | 2017-05-08 23:49:49 +0000 |
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committer | Craig Topper <craig.topper@gmail.com> | 2017-05-08 23:49:49 +0000 |
commit | 24ae69515baf096b0fd1efa551f319e440283aed (patch) | |
tree | ece5623d7b9e8f2531837dd288854c605301d7d5 /llvm/lib/Support/APInt.cpp | |
parent | f7e8acf0fc6c7031dc312ddc1e83496bdce2b454 (diff) | |
download | bcm5719-llvm-24ae69515baf096b0fd1efa551f319e440283aed.tar.gz bcm5719-llvm-24ae69515baf096b0fd1efa551f319e440283aed.zip |
[APInt] Remove 'else' after 'return' in udiv and urem. NFC
llvm-svn: 302486
Diffstat (limited to 'llvm/lib/Support/APInt.cpp')
-rw-r--r-- | llvm/lib/Support/APInt.cpp | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp index caa0691f920..774fe86f106 100644 --- a/llvm/lib/Support/APInt.cpp +++ b/llvm/lib/Support/APInt.cpp @@ -1588,16 +1588,15 @@ APInt APInt::udiv(const APInt& RHS) const { if (!lhsWords) // 0 / X ===> 0 return APInt(BitWidth, 0); - else if (lhsWords < rhsWords || this->ult(RHS)) { + if (lhsWords < rhsWords || this->ult(RHS)) // X / Y ===> 0, iff X < Y return APInt(BitWidth, 0); - } else if (*this == RHS) { + if (*this == RHS) // X / X ===> 1 return APInt(BitWidth, 1); - } else if (lhsWords == 1 && rhsWords == 1) { + if (lhsWords == 1 && rhsWords == 1) // All high words are zero, just use native divide return APInt(BitWidth, this->U.pVal[0] / RHS.U.pVal[0]); - } // We have to compute it the hard way. Invoke the Knuth divide algorithm. APInt Quotient(1,0); // to hold result. @@ -1633,19 +1632,18 @@ APInt APInt::urem(const APInt& RHS) const { assert(rhsWords && "Performing remainder operation by zero ???"); // Check the degenerate cases - if (lhsWords == 0) { + if (lhsWords == 0) // 0 % Y ===> 0 return APInt(BitWidth, 0); - } else if (lhsWords < rhsWords || this->ult(RHS)) { + if (lhsWords < rhsWords || this->ult(RHS)) // X % Y ===> X, iff X < Y return *this; - } else if (*this == RHS) { + if (*this == RHS) // X % X == 0; return APInt(BitWidth, 0); - } else if (lhsWords == 1) { + if (lhsWords == 1) // All high words are zero, just use native remainder return APInt(BitWidth, U.pVal[0] % RHS.U.pVal[0]); - } // We have to compute it the hard way. Invoke the Knuth divide algorithm. APInt Remainder(1,0); |