[PATCH] [AArch64] Override useAA and remove unneeded edges in the scheduling graph. (Phabricator)

[hfinkel at anl.gov]

I recommend splitting the useAA change from the rest of it (for better bisecting ;) ).

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Comment at: include/llvm/Target/TargetInstrInfo.h:1200
@@ +1199,3 @@
+  virtual bool areMemAccessesTriviallyDisjoint(MachineInstr *MIa,
+                                               MachineInstr *MIb) const {
+    assert(MIa && (MIa->mayLoad() || MIa->mayStore()) &&
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Can you also pass an optional AliasAnalysis* here too, so the target can use AA in conjunction with whatever target-specific information it has to determine aliasing.

http://reviews.llvm.org/D5103