diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index e6d9b26..372a669 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -6552,7 +6552,7 @@ static bool SwitchToLookupTable(SwitchInst *SI, IRBuilder<> &Builder, // Make the mask's bitwidth at least 8-bit and a power-of-2 to avoid // unnecessary illegal types. - uint64_t TableSizePowOf2 = llvm::bit_ceil(std::max<uint64_t>(8, TableSize)); + uint64_t TableSizePowOf2 = NextPowerOf2(std::max(7ULL, TableSize - 1ULL)); APInt MaskInt(TableSizePowOf2, 0); APInt One(TableSizePowOf2, 1); // Build bitmask; fill in a 1 bit for every case. |