[llvm] cb79b5b - [ConstantHoisting] simplify NumUses accounting NFC

Nick Desaulniers via llvm-commits llvm-commits at lists.llvm.org
Wed Jul 12 09:54:01 PDT 2023


Author: Nick Desaulniers
Date: 2023-07-12T09:53:46-07:00
New Revision: cb79b5b571f628c1f30f8d8e5d73bb6efc5c36d4

URL: https://github.com/llvm/llvm-project/commit/cb79b5b571f628c1f30f8d8e5d73bb6efc5c36d4
DIFF: https://github.com/llvm/llvm-project/commit/cb79b5b571f628c1f30f8d8e5d73bb6efc5c36d4.diff

LOG: [ConstantHoisting] simplify NumUses accounting NFC

The `Uses` variable is unnecessary. Just use `UsesNum` instead.

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D155020

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/ConstantHoisting.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
index 18c9d039a5100b..a0d397f7c6880b 100644
--- a/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
+++ b/llvm/lib/Transforms/Scalar/ConstantHoisting.cpp
@@ -853,12 +853,12 @@ bool ConstantHoistingPass::emitBaseConstants(GlobalVariable *BaseGV) {
     unsigned NotRebasedNum = 0;
     for (Instruction *IP : IPSet) {
       // First, collect constants depending on this IP of the base.
-      unsigned Uses = 0;
+      UsesNum = 0;
       using RebasedUse = std::tuple<Constant *, Type *, ConstantUser>;
       SmallVector<RebasedUse, 4> ToBeRebased;
       for (auto const &RCI : ConstInfo.RebasedConstants) {
+        UsesNum += RCI.Uses.size();
         for (auto const &U : RCI.Uses) {
-          Uses++;
           BasicBlock *OrigMatInsertBB =
               findMatInsertPt(U.Inst, U.OpndIdx)->getParent();
           // If Base constant is to be inserted in multiple places,
@@ -868,7 +868,6 @@ bool ConstantHoistingPass::emitBaseConstants(GlobalVariable *BaseGV) {
             ToBeRebased.push_back(RebasedUse(RCI.Offset, RCI.Ty, U));
         }
       }
-      UsesNum = Uses;
 
       // If only few constants depend on this IP of base, skip rebasing,
       // assuming the base and the rebased have the same materialization cost.


        


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