Hook up AliasAnalysis in InlineSpiller. This is used for rematerializing
constant loads.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118741 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp
index f19b175..0e8f302 100644
--- a/lib/CodeGen/InlineSpiller.cpp
+++ b/lib/CodeGen/InlineSpiller.cpp
@@ -17,6 +17,7 @@
#include "LiveRangeEdit.h"
#include "SplitKit.h"
#include "VirtRegMap.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/LiveStackAnalysis.h"
#include "llvm/CodeGen/MachineDominators.h"
@@ -47,6 +48,7 @@
LiveStacks &lss_;
MachineDominatorTree &mdt_;
MachineLoopInfo &loops_;
+ AliasAnalysis *aa_;
VirtRegMap &vrm_;
MachineFrameInfo &mfi_;
MachineRegisterInfo &mri_;
@@ -76,6 +78,7 @@
lss_(pass.getAnalysis<LiveStacks>()),
mdt_(pass.getAnalysis<MachineDominatorTree>()),
loops_(pass.getAnalysis<MachineLoopInfo>()),
+ aa_(&pass.getAnalysis<AliasAnalysis>()),
vrm_(vrm),
mfi_(*mf.getFrameInfo()),
mri_(mf.getRegInfo()),
@@ -219,7 +222,7 @@
/// and trim the live ranges after.
void InlineSpiller::reMaterializeAll() {
// Do a quick scan of the interval values to find if any are remattable.
- if (!edit_->anyRematerializable(lis_, tii_, 0))
+ if (!edit_->anyRematerializable(lis_, tii_, aa_))
return;
usedValues_.clear();