From 6458ff9230a53bb9c442559074fac2611fb70bbf Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 18 May 2010 22:37:37 +0000 Subject: [PATCH] Make some debug output more informative. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104078 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/Scalar/LoopStrengthReduce.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index e2a3c46767c..eaf8d945bbe 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -2598,6 +2598,7 @@ void LSRInstance::FilterOutUndesirableDedicatedRegisters() { 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 @@ void LSRInstance::FilterOutUndesirableDedicatedRegisters() { 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;