BitVector: add iterators for set bits
Differential revision: https://reviews.llvm.org/D32060
llvm-svn: 303227
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index ccedb98..bd1f21c 100644
--- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -3902,8 +3902,7 @@
// Compute the difference between the two.
int64_t Imm = (uint64_t)JImm - M->first;
- for (int LUIdx = UsedByIndices.find_first(); LUIdx != -1;
- LUIdx = UsedByIndices.find_next(LUIdx))
+ for (unsigned LUIdx : UsedByIndices.set_bits())
// Make a memo of this use, offset, and register tuple.
if (UniqueItems.insert(std::make_pair(LUIdx, Imm)).second)
WorkItems.push_back(WorkItem(LUIdx, Imm, OrigReg));