From 2e65b3a418ead973dece7a3fb74f9b31f02f4aa4 Mon Sep 17 00:00:00 2001
From: Nekotekina <nekotekina@gmail.com>
Date: Sat, 9 Jan 2021 09:43:37 +0300
Subject: [PATCH] Fix possible compilation issue with gcc-11

---
 include/llvm/CodeGen/LiveInterval.h           | 10 +++++-----
 include/llvm/Support/BinaryStreamArray.h      | 20 +++++++++----------
 .../LiveDebugValues/VarLocBasedImpl.cpp       |  2 +-
 3 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index c2b158ac1b7..8d463bbe846 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -724,21 +724,21 @@ namespace llvm {
       T *P;
 
     public:
-      SingleLinkedListIterator<T>(T *P) : P(P) {}
+      SingleLinkedListIterator(T *P) : P(P) {}
 
-      SingleLinkedListIterator<T> &operator++() {
+      SingleLinkedListIterator &operator++() {
         P = P->Next;
         return *this;
       }
-      SingleLinkedListIterator<T> operator++(int) {
+      SingleLinkedListIterator operator++(int) {
         SingleLinkedListIterator res = *this;
         ++*this;
         return res;
       }
-      bool operator!=(const SingleLinkedListIterator<T> &Other) const {
+      bool operator!=(const SingleLinkedListIterator &Other) const {
         return P != Other.operator->();
       }
-      bool operator==(const SingleLinkedListIterator<T> &Other) const {
+      bool operator==(const SingleLinkedListIterator &Other) const {
         return P == Other.operator->();
       }
       T &operator*() const {
diff --git a/include/llvm/Support/BinaryStreamArray.h b/include/llvm/Support/BinaryStreamArray.h
index 148ab85169f..1bc33d13221 100644
--- a/include/llvm/Support/BinaryStreamArray.h
+++ b/include/llvm/Support/BinaryStreamArray.h
@@ -270,11 +270,11 @@ public:
     assert(Stream.getLength() % sizeof(T) == 0);
   }
 
-  bool operator==(const FixedStreamArray<T> &Other) const {
+  bool operator==(const FixedStreamArray &Other) const {
     return Stream == Other.Stream;
   }
 
-  bool operator!=(const FixedStreamArray<T> &Other) const {
+  bool operator!=(const FixedStreamArray &Other) const {
     return !(*this == Other);
   }
 
@@ -328,10 +328,10 @@ public:
   FixedStreamArrayIterator(const FixedStreamArray<T> &Array, uint32_t Index)
       : Array(Array), Index(Index) {}
 
-  FixedStreamArrayIterator<T>(const FixedStreamArrayIterator<T> &Other)
+  FixedStreamArrayIterator(const FixedStreamArrayIterator &Other)
       : Array(Other.Array), Index(Other.Index) {}
-  FixedStreamArrayIterator<T> &
-  operator=(const FixedStreamArrayIterator<T> &Other) {
+  FixedStreamArrayIterator&
+  operator=(const FixedStreamArrayIterator &Other) {
     Array = Other.Array;
     Index = Other.Index;
     return *this;
@@ -340,29 +340,29 @@ public:
   const T &operator*() const { return Array[Index]; }
   const T &operator*() { return Array[Index]; }
 
-  bool operator==(const FixedStreamArrayIterator<T> &R) const {
+  bool operator==(const FixedStreamArrayIterator &R) const {
     assert(Array == R.Array);
     return (Index == R.Index) && (Array == R.Array);
   }
 
-  FixedStreamArrayIterator<T> &operator+=(std::ptrdiff_t N) {
+  FixedStreamArrayIterator &operator+=(std::ptrdiff_t N) {
     Index += N;
     return *this;
   }
 
-  FixedStreamArrayIterator<T> &operator-=(std::ptrdiff_t N) {
+  FixedStreamArrayIterator &operator-=(std::ptrdiff_t N) {
     assert(std::ptrdiff_t(Index) >= N);
     Index -= N;
     return *this;
   }
 
-  std::ptrdiff_t operator-(const FixedStreamArrayIterator<T> &R) const {
+  std::ptrdiff_t operator-(const FixedStreamArrayIterator &R) const {
     assert(Array == R.Array);
     assert(Index >= R.Index);
     return Index - R.Index;
   }
 
-  bool operator<(const FixedStreamArrayIterator<T> &RHS) const {
+  bool operator<(const FixedStreamArrayIterator &RHS) const {
     assert(Array == RHS.Array);
     return Index < RHS.Index;
   }
diff --git a/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp b/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp
index 1e6d65c1895..65176ac1574 100644
--- a/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp
+++ b/lib/CodeGen/LiveDebugValues/VarLocBasedImpl.cpp
@@ -626,7 +626,7 @@ private:
     unsigned getRegIdx(Register Reg) const {
       for (unsigned Idx = 0; Idx < Locs.size(); ++Idx)
         if (Locs[Idx].Kind == MachineLocKind::RegisterKind &&
-            Locs[Idx].Value.RegNo == Reg)
+            llvm::Register(Locs[Idx].Value.RegNo) == Reg)
           return Idx;
       llvm_unreachable("Could not find given Reg in Locs");
     }