commit 3b7d917dec53a742fcb14802557ee75d35185968
author Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Apr 20 22:14:20 2011 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Wed Apr 20 22:14:20 2011 +0000
tree 681aea6f3a0796c561b21edeb65478422e6f1565
parent 08c5a347a05e73a34c70ec8b694b1e89b96a6bf5

Add debug output for rematerializable instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129883 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveRangeEdit.cpp

diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index b1dc901..443cc2e 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -36,14 +36,16 @@
   return LI;
 }
 
-void LiveRangeEdit::checkRematerializable(VNInfo *VNI,
+bool LiveRangeEdit::checkRematerializable(VNInfo *VNI,
                                           const MachineInstr *DefMI,
                                           const TargetInstrInfo &tii,
                                           AliasAnalysis *aa) {
   assert(DefMI && "Missing instruction");
-  if (tii.isTriviallyReMaterializable(DefMI, aa))
-    remattable_.insert(VNI);
   scannedRemattable_ = true;
+  if (!tii.isTriviallyReMaterializable(DefMI, aa))
+    return false;
+  remattable_.insert(VNI);
+  return true;
 }
 
 void LiveRangeEdit::scanRemattable(LiveIntervals &lis,