diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index face7abcc95..ba9eb59e6fd 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -1378,9 +1378,7 @@ static Instruction *foldCttzCtlz(IntrinsicInst &II, InstCombiner &IC) { if (!IT) return nullptr; - unsigned BitWidth = IT->getBitWidth(); - KnownBits Known(BitWidth); - IC.computeKnownBits(Op0, Known, 0, &II); + KnownBits Known = IC.computeKnownBits(Op0, 0, &II); // Create a mask for bits above (ctlz) or below (cttz) the first known one. bool IsTZ = II.getIntrinsicID() == Intrinsic::cttz; |
