Let callers decide the sub-register index on the def operand of rematerialized instructions.

Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75900 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/CodeGen/PreAllocSplitting.cpp b/lib/CodeGen/PreAllocSplitting.cpp
index c49575bade..580a6d1d9d 100644
--- a/lib/CodeGen/PreAllocSplitting.cpp
+++ b/lib/CodeGen/PreAllocSplitting.cpp
@@ -867,7 +867,7 @@ void PreAllocSplitting::RenumberValno(VNInfo* VN) {
   NumRenumbers++;
 }
 
-bool PreAllocSplitting::Rematerialize(unsigned vreg, VNInfo* ValNo,
+bool PreAllocSplitting::Rematerialize(unsigned VReg, VNInfo* ValNo,
                                       MachineInstr* DefMI,
                                       MachineBasicBlock::iterator RestorePt,
                                       unsigned RestoreIdx,
@@ -884,7 +884,7 @@ bool PreAllocSplitting::Rematerialize(unsigned vreg, VNInfo* ValNo,
   if (KillPt == DefMI->getParent()->end())
     return false;
   
-  TII->reMaterialize(MBB, RestorePt, vreg, DefMI);
+  TII->reMaterialize(MBB, RestorePt, VReg, 0, DefMI);
   LIs->InsertMachineInstrInMaps(prior(RestorePt), RestoreIdx);
   
   ReconstructLiveInterval(CurrLI);