Make some debug output more informative.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104078 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index e2a3c46..eaf8d94 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -2598,6 +2598,7 @@
for (size_t LUIdx = 0, NumUses = Uses.size(); LUIdx != NumUses; ++LUIdx) {
LSRUse &LU = Uses[LUIdx];
FormulaSorter Sorter(L, LU, SE, DT);
+ DEBUG(dbgs() << "Filtering for use "; LU.print(dbgs()); dbgs() << "\n");
for (size_t FIdx = 0, NumForms = LU.Formulae.size();
FIdx != NumForms; ++FIdx) {
@@ -2623,9 +2624,9 @@
Formula &Best = LU.Formulae[P.first->second];
if (Sorter.operator()(F, Best))
std::swap(F, Best);
- DEBUG(dbgs() << "Filtering out "; F.print(dbgs());
+ DEBUG(dbgs() << " Filtering out formula "; F.print(dbgs());
dbgs() << "\n"
- " in favor of "; Best.print(dbgs());
+ " in favor of formula "; Best.print(dbgs());
dbgs() << '\n');
#ifndef NDEBUG
Changed = true;