[PATCH] D49023: [MachineOutliner] Assert that Liveness tracking is accurate (NFC)

[Yvan Roux via Phabricator via llvm-commits]

yroux updated this revision to Diff 154445.

Repository:
  rL LLVM

https://reviews.llvm.org/D49023

Files:
  include/llvm/CodeGen/MachineOutliner.h
  lib/Target/AArch64/AArch64InstrInfo.cpp


Index: lib/Target/AArch64/AArch64InstrInfo.cpp
===================================================================
--- lib/Target/AArch64/AArch64InstrInfo.cpp
+++ lib/Target/AArch64/AArch64InstrInfo.cpp
@@ -5065,6 +5065,8 @@
 
   // Check if LR is available through all of the MBB. If it's not, then set
   // a flag.
+  assert(MBB.getParent()->getRegInfo().tracksLiveness() &&
+         "Suitable Machine Function for outlining must track liveness");
   LiveRegUnits LRU(getRegisterInfo());
   LRU.addLiveOuts(MBB);
 
Index: include/llvm/CodeGen/MachineOutliner.h
===================================================================
--- include/llvm/CodeGen/MachineOutliner.h
+++ include/llvm/CodeGen/MachineOutliner.h
@@ -142,6 +142,8 @@
   /// If a target does not need this information, then this should not be
   /// called.
   void initLRU(const TargetRegisterInfo &TRI) {
+    assert(MBB->getParent()->getRegInfo().tracksLiveness() &&
+           "Candidate's Machine Function must track liveness");
     LRU.init(TRI);
     LRU.addLiveOuts(*MBB);
 


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