diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp index 381d8fc33ea..46570a11a4f 100644 --- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp +++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp @@ -320,7 +320,7 @@ bool llvm::UnrollRuntimeLoopProlog(Loop *L, unsigned Count, LoopInfo *LI, // This constraint lets us deal with an overflowing trip count easily; see the // comment on ModVal below. This check is equivalent to `Log2(Count) < // BEWidth`. - if (static_cast<uint64_t>(Count) > (1ULL << BEWidth)) + if (BEWidth < 64 && static_cast<uint64_t>(Count) > (1ULL << BEWidth)) return false; // If this loop is nested, then the loop unroller changes the code in |
