JIT: Don't run fgComputeBlockWeights in MinOpts (#110451)

Block weights don't seem particularly useful in MinOpts. Skipping fgComputeBlockWeights when we aren't optimizing had few diffs locally, so this looks like an opportunity to save some TP.

Author: amanasifkhalid

src/coreclr/jit/compiler.cpp

@@ -4769,12 +4769,12 @@ void Compiler::compCompile(void** methodCodePtr, uint32_t* methodCodeSize, JitFl
     //
     DoPhase(this, PHASE_GS_COOKIE, &Compiler::gsPhase);
 
-    // Compute the block weights
-    //
-    DoPhase(this, PHASE_COMPUTE_BLOCK_WEIGHTS, &Compiler::fgComputeBlockWeights);
-
     if (opts.OptimizationEnabled())
     {
+        // Compute the block weights
+        //
+        DoPhase(this, PHASE_COMPUTE_BLOCK_WEIGHTS, &Compiler::fgComputeBlockWeights);
+
         // Invert loops
         //
         DoPhase(this, PHASE_INVERT_LOOPS, &Compiler::optInvertLoops);