[llvm] 145cc9d - [CodeGen] Remove futureWeight (NFC)

[Kazu Hirata via llvm-commits]

Author: Kazu Hirata
Date: 2022-06-13T17:10:23-07:00
New Revision: 145cc9db2b442fc0533e275b92943a9894e33337

URL: https://github.com/llvm/llvm-project/commit/145cc9db2b442fc0533e275b92943a9894e33337
DIFF: https://github.com/llvm/llvm-project/commit/145cc9db2b442fc0533e275b92943a9894e33337.diff

LOG: [CodeGen] Remove futureWeight (NFC)

The last use was removed on Jun 5, 2022 in
commit 5c06f7168fd1bd589b831cacd5f1cb8a928446fb, which itself was
a patch to remove unused code.

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/CalcSpillWeights.h
    llvm/lib/CodeGen/CalcSpillWeights.cpp

Removed: 
    


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diff  --git a/llvm/include/llvm/CodeGen/CalcSpillWeights.h b/llvm/include/llvm/CodeGen/CalcSpillWeights.h
index ae33119563f55..41b7f10cfc38a 100644
--- a/llvm/include/llvm/CodeGen/CalcSpillWeights.h
+++ b/llvm/include/llvm/CodeGen/CalcSpillWeights.h
@@ -64,17 +64,6 @@ class VirtRegMap;
     /// (re)compute li's spill weight and allocation hint.
     void calculateSpillWeightAndHint(LiveInterval &LI);
 
-    /// Compute future expected spill weight of a split artifact of LI
-    /// that will span between start and end slot indexes.
-    /// \param LI     The live interval to be split.
-    /// \param Start  The expected beginning of the split artifact. Instructions
-    ///               before start will not affect the weight.
-    /// \param End    The expected end of the split artifact. Instructions
-    ///               after end will not affect the weight.
-    /// \return The expected spill weight of the split artifact. Returns
-    /// negative weight for unspillable LI.
-    float futureWeight(LiveInterval &LI, SlotIndex Start, SlotIndex End);
-
     /// Compute spill weights and allocation hints for all virtual register
     /// live intervals.
     void calculateSpillWeightsAndHints();

diff  --git a/llvm/lib/CodeGen/CalcSpillWeights.cpp b/llvm/lib/CodeGen/CalcSpillWeights.cpp
index 84a0e4142bb6e..689e49978d436 100644
--- a/llvm/lib/CodeGen/CalcSpillWeights.cpp
+++ b/llvm/lib/CodeGen/CalcSpillWeights.cpp
@@ -145,11 +145,6 @@ void VirtRegAuxInfo::calculateSpillWeightAndHint(LiveInterval &LI) {
   LI.setWeight(Weight);
 }
 
-float VirtRegAuxInfo::futureWeight(LiveInterval &LI, SlotIndex Start,
-                                   SlotIndex End) {
-  return weightCalcHelper(LI, &Start, &End);
-}
-
 float VirtRegAuxInfo::weightCalcHelper(LiveInterval &LI, SlotIndex *Start,
                                        SlotIndex *End) {
   MachineRegisterInfo &MRI = MF.getRegInfo();