Enable rematerialization of constants using AliasAnalysis::pointsToConstantMemory,

and knowledge of PseudoSourceValues. This unfortunately isn't sufficient to allow
constants to be rematerialized in PIC mode -- the extra indirection is a
complication.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54000 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/LiveIntervalAnalysis.h b/include/llvm/CodeGen/LiveIntervalAnalysis.h
index ebbcf63b70..c88c1ec696 100644
--- a/include/llvm/CodeGen/LiveIntervalAnalysis.h
+++ b/include/llvm/CodeGen/LiveIntervalAnalysis.h
@@ -32,6 +32,7 @@
 
 namespace llvm {
 
+  class AliasAnalysis;
   class LiveVariables;
   class MachineLoopInfo;
   class TargetRegisterInfo;
@@ -61,6 +62,7 @@ namespace llvm {
     const TargetMachine* tm_;
     const TargetRegisterInfo* tri_;
     const TargetInstrInfo* tii_;
+    AliasAnalysis *aa_;
     LiveVariables* lv_;
 
     /// Special pool allocator for VNInfo's (LiveInterval val#).