[llvm] 4c66b03 - [NFC] make TypeInfer::expandOverloads const

[Tomas Matheson via llvm-commits]

Author: Tomas Matheson
Date: 2023-07-09T09:19:06+01:00
New Revision: 4c66b0325905bdb367a5453574c10e535b900b5e

URL: https://github.com/llvm/llvm-project/commit/4c66b0325905bdb367a5453574c10e535b900b5e
DIFF: https://github.com/llvm/llvm-project/commit/4c66b0325905bdb367a5453574c10e535b900b5e.diff

LOG: [NFC] make TypeInfer::expandOverloads const

Differential Revision: https://reviews.llvm.org/D154780

Added: 
    

Modified: 
    llvm/utils/TableGen/CodeGenDAGPatterns.cpp
    llvm/utils/TableGen/CodeGenDAGPatterns.h

Removed: 
    


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diff  --git a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
index 4d64bdf52f7571..3260d025e82462 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -807,7 +807,7 @@ bool TypeInfer::EnforceSameSize(TypeSetByHwMode &A, TypeSetByHwMode &B) {
   return Changed;
 }
 
-void TypeInfer::expandOverloads(TypeSetByHwMode &VTS) {
+void TypeInfer::expandOverloads(TypeSetByHwMode &VTS) const {
   ValidateOnExit _1(VTS, *this);
   const TypeSetByHwMode &Legal = getLegalTypes();
   assert(Legal.isSimple() && "Default-mode only expected");
@@ -818,7 +818,7 @@ void TypeInfer::expandOverloads(TypeSetByHwMode &VTS) {
 }
 
 void TypeInfer::expandOverloads(TypeSetByHwMode::SetType &Out,
-                                const TypeSetByHwMode::SetType &Legal) {
+                                const TypeSetByHwMode::SetType &Legal) const {
   if (Out.count(MVT::iPTRAny)) {
     Out.erase(MVT::iPTRAny);
     Out.insert(MVT::iPTR);
@@ -857,7 +857,7 @@ void TypeInfer::expandOverloads(TypeSetByHwMode::SetType &Out,
   }
 }
 
-const TypeSetByHwMode &TypeInfer::getLegalTypes() {
+const TypeSetByHwMode &TypeInfer::getLegalTypes() const {
   if (!LegalTypesCached) {
     TypeSetByHwMode::SetType &LegalTypes = LegalCache.getOrCreate(DefaultMode);
     // Stuff all types from all modes into the default mode.

diff  --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
index 9b4f7218c3e2e5..1579409dbb67b5 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -330,9 +330,9 @@ struct TypeInfer {
 
   /// For each overloaded type (i.e. of form *Any), replace it with the
   /// corresponding subset of legal, specific types.
-  void expandOverloads(TypeSetByHwMode &VTS);
+  void expandOverloads(TypeSetByHwMode &VTS) const;
   void expandOverloads(TypeSetByHwMode::SetType &Out,
-                       const TypeSetByHwMode::SetType &Legal);
+                       const TypeSetByHwMode::SetType &Legal) const;
 
   struct ValidateOnExit {
     ValidateOnExit(const TypeSetByHwMode &T, const TypeInfer &TI)
@@ -357,11 +357,11 @@ struct TypeInfer {
   bool Validate = true;   // Indicate whether to validate types.
 
 private:
-  const TypeSetByHwMode &getLegalTypes();
+  const TypeSetByHwMode &getLegalTypes() const;
 
   /// Cached legal types (in default mode).
-  bool LegalTypesCached = false;
-  TypeSetByHwMode LegalCache;
+  mutable bool LegalTypesCached = false;
+  mutable TypeSetByHwMode LegalCache;
 };
 
 /// Set type used to track multiply used variables in patterns