BitVector: add iterators for set bits
Differential revision: https://reviews.llvm.org/D32060
llvm-svn: 303227
diff --git a/llvm/lib/CodeGen/RegAllocGreedy.cpp b/llvm/lib/CodeGen/RegAllocGreedy.cpp
index 0650028..47d726f 100644
--- a/llvm/lib/CodeGen/RegAllocGreedy.cpp
+++ b/llvm/lib/CodeGen/RegAllocGreedy.cpp
@@ -285,8 +285,7 @@
// Set B[i] = C for every live bundle where B[i] was NoCand.
unsigned getBundles(SmallVectorImpl<unsigned> &B, unsigned C) {
unsigned Count = 0;
- for (int i = LiveBundles.find_first(); i >= 0;
- i = LiveBundles.find_next(i))
+ for (unsigned i : LiveBundles.set_bits())
if (B[i] == NoCand) {
B[i] = C;
Count++;
@@ -1162,9 +1161,8 @@
}
DEBUG({
- for (int i = Cand.LiveBundles.find_first(); i>=0;
- i = Cand.LiveBundles.find_next(i))
- dbgs() << " EB#" << i;
+ for (int i : Cand.LiveBundles.set_bits())
+ dbgs() << " EB#" << i;
dbgs() << ".\n";
});
return true;
@@ -1482,8 +1480,7 @@
DEBUG({
dbgs() << ", total = "; MBFI->printBlockFreq(dbgs(), Cost)
<< " with bundles";
- for (int i = Cand.LiveBundles.find_first(); i>=0;
- i = Cand.LiveBundles.find_next(i))
+ for (int i : Cand.LiveBundles.set_bits())
dbgs() << " EB#" << i;
dbgs() << ".\n";
});