Improve debugging output when choosing a register to spill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10604 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index 69eca8a18e8f306d3e404402e79154dedf5d0c36..a804e1aa8697b96967885922f952c1daa1611d15 100644 (file)
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -552,8 +552,7 @@ void RA::assignStackSlotAtInterval(Intervals::const_iterator cur)
 
     if (cur->weight < minWeight) {
         restoreRegUse();
-        DEBUG(std::cerr << "\t\t\t\tspilling : " << mri_->getName(minReg)
-              << ", weight: " << cur->weight << '\n');
+        DEBUG(std::cerr << "\t\t\t\tspilling : " << *cur << '\n');
         assignVirt2StackSlot(cur->reg);
     }
     else {
@@ -570,9 +569,7 @@ void RA::assignStackSlotAtInterval(Intervals::const_iterator cur)
                 toSpill.find(v2pMap_[reg]) != toSpill.end() &&
                 cur->overlaps(**i)) {
                 spilled.push_back(v2pMap_[reg]);
-                DEBUG(std::cerr << "\t\t\t\tspilling : "
-                      << mri_->getName(minReg) << ", weight: "
-                      << (*i)->weight << '\n');
+                DEBUG(std::cerr << "\t\t\t\tspilling : " << **i << '\n');
                 assignVirt2StackSlot(reg);
                 i = active_.erase(i);
             }
@@ -586,9 +583,7 @@ void RA::assignStackSlotAtInterval(Intervals::const_iterator cur)
             if (reg >= MRegisterInfo::FirstVirtualRegister &&
                 toSpill.find(v2pMap_[reg]) != toSpill.end() &&
                 cur->overlaps(**i)) {
-                DEBUG(std::cerr << "\t\t\t\tspilling : "
-                      << mri_->getName(minReg) << ", weight: "
-                      << (*i)->weight << '\n');
+                DEBUG(std::cerr << "\t\t\t\tspilling : " << **i << '\n');
                 assignVirt2StackSlot(reg);
                 i = inactive_.erase(i);
             }