[PATCH] D144746: [LLVMContextImpl] Separate out integer constant ones

[Arthur Eubanks via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG86bdcdf00e82: [LLVMContextImpl] Separate out integer constant ones (authored by aeubanks).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D144746/new/

https://reviews.llvm.org/D144746

Files:
  llvm/lib/IR/Constants.cpp
  llvm/lib/IR/LLVMContextImpl.cpp
  llvm/lib/IR/LLVMContextImpl.h


Index: llvm/lib/IR/LLVMContextImpl.h
===================================================================
--- llvm/lib/IR/LLVMContextImpl.h
+++ llvm/lib/IR/LLVMContextImpl.h
@@ -1447,6 +1447,7 @@
   DenseMap<const Value *, ValueName *> ValueNames;
 
   DenseMap<unsigned, std::unique_ptr<ConstantInt>> IntZeroConstants;
+  DenseMap<unsigned, std::unique_ptr<ConstantInt>> IntOneConstants;
   DenseMap<APInt, std::unique_ptr<ConstantInt>, DenseMapAPIntKeyInfo>
       IntConstants;
 
Index: llvm/lib/IR/LLVMContextImpl.cpp
===================================================================
--- llvm/lib/IR/LLVMContextImpl.cpp
+++ llvm/lib/IR/LLVMContextImpl.cpp
@@ -117,6 +117,7 @@
   UVConstants.clear();
   PVConstants.clear();
   IntZeroConstants.clear();
+  IntOneConstants.clear();
   IntConstants.clear();
   FPConstants.clear();
   CDSConstants.clear();
Index: llvm/lib/IR/Constants.cpp
===================================================================
--- llvm/lib/IR/Constants.cpp
+++ llvm/lib/IR/Constants.cpp
@@ -875,8 +875,9 @@
   // get an existing value or the insertion position
   LLVMContextImpl *pImpl = Context.pImpl;
   std::unique_ptr<ConstantInt> &Slot =
-      V.isZero() ? pImpl->IntZeroConstants[V.getBitWidth()]
-                 : pImpl->IntConstants[V];
+      V.isZero()  ? pImpl->IntZeroConstants[V.getBitWidth()]
+      : V.isOne() ? pImpl->IntOneConstants[V.getBitWidth()]
+                  : pImpl->IntConstants[V];
   if (!Slot) {
     // Get the corresponding integer type for the bit width of the value.
     IntegerType *ITy = IntegerType::get(Context, V.getBitWidth());


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