[llvm] [llvm-exegesis] Add CLI Option to set Fixed RNG seed (PR #170013)

[Aiden Grossman via llvm-commits]

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@@ -187,8 +195,13 @@ generateUnconstrainedCodeTemplates(const InstructionTemplate &Variant,
 }
 
 std::mt19937 &randomGenerator() {
+  unsigned RandomSeed = RandomGeneratorSeed;
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boomanaiden154 wrote:

Good point. Fixed.

https://github.com/llvm/llvm-project/pull/170013