Make some debug output more informative.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104078 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-05-18 22:37:37 +00:00
parent c4cfbaf217
commit 6458ff9230

View File

@ -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;