[compiler-rt] d791f0c - [ORC-RT] Add equality/inequality comparison to string_view.

[Lang Hames via llvm-commits]

Author: Lang Hames
Date: 2021-06-01T11:24:19-07:00
New Revision: d791f0c2199e47e63e1dd95da2e78518d574bad2

URL: https://github.com/llvm/llvm-project/commit/d791f0c2199e47e63e1dd95da2e78518d574bad2
DIFF: https://github.com/llvm/llvm-project/commit/d791f0c2199e47e63e1dd95da2e78518d574bad2.diff

LOG: [ORC-RT] Add equality/inequality comparison to string_view.

Added: 
    

Modified: 
    compiler-rt/lib/orc/adt.h

Removed: 
    


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diff  --git a/compiler-rt/lib/orc/adt.h b/compiler-rt/lib/orc/adt.h
index b7d2174bc197e..33b731082f88f 100644
--- a/compiler-rt/lib/orc/adt.h
+++ b/compiler-rt/lib/orc/adt.h
@@ -84,6 +84,21 @@ class string_view {
   constexpr size_type size() const noexcept { return Size; }
   constexpr bool empty() const noexcept { return Size == 0; }
 
+  friend bool operator==(const string_view &LHS, const string_view &RHS) {
+    if (LHS.Size != RHS.Size)
+      return false;
+    if (LHS.Data == RHS.Data)
+      return true;
+    for (size_t I = 0; I != LHS.Size; ++I)
+      if (LHS.Data[I] != RHS.Data[I])
+        return false;
+    return true;
+  }
+
+  friend bool operator!=(const string_view &LHS, const string_view &RHS) {
+    return !(LHS == RHS);
+  }
+
 private:
   const char *Data = nullptr;
   size_type Size = 0;