[llvm] [AMDGPU][IGLP] SingleWaveOpt: Cache DSW Counters from PreRA (PR #67759)

[Jeffrey Byrnes via llvm-commits]

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@@ -900,6 +900,11 @@ void MFMASmallGemmOpt::applyIGLPStrategy(
   }
 }
 
+static unsigned DSWCount = 0;
+static unsigned DSWWithPermCount = 0;
+static unsigned DSWWithSharedVMEMCount = 0;
+static bool HasDSWCounts = false;
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jrbyrnes wrote:

Thanks for taking a look.

Is this what you had in mind? I've added as a separate commit to (hopefully) making reviewing easier -- they will be squashed before landing.

https://github.com/llvm/llvm-project/pull/67759