From ceacbae6b36e1425c2e0dd87c73075858f21ec10 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty@vector35.com>
Date: Thu, 7 May 2020 20:22:32 -0400
Subject: Use STL provided uint64_t hash function to speed up Windows build

---
 mediumlevelilinstruction.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/mediumlevelilinstruction.h b/mediumlevelilinstruction.h
index b0cfb139..76b4ae61 100644
--- a/mediumlevelilinstruction.h
+++ b/mediumlevelilinstruction.h
@@ -137,11 +137,10 @@ namespace std
 #else
 		typedef BinaryNinja::SSAVariable argument_type;
 #endif
-		typedef uint32_t result_type;
+		typedef std::hash<uint64_t>::result_type result_type;
 		result_type operator()(argument_type const& value) const
 		{
-			uint64_t hashTmp = ((uint64_t)value.var.ToIdentifier()) ^ ((uint64_t)value.version << 40);
-			return (uint32_t)((hashTmp >> 32) ^ (uint32_t)hashTmp);
+			return std::hash<uint64_t>()(((uint64_t)value.var.ToIdentifier()) ^ ((uint64_t)value.version << 40));
 		}
 	};
 
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