[llvm] [AMDGPU] Per-chain MFMA->AGPR conversion (PR #217328)

[Romanov Vlad via llvm-commits]

================
@@ -104,6 +106,12 @@ static cl::opt<bool> DisableRewriteMFMAFormSchedStage(
     "amdgpu-disable-rewrite-mfma-form-sched-stage", cl::Hidden,
     cl::desc("Disable rewrite mfma rewrite scheduling stage"), cl::init(true));
 
+static cl::opt<bool> EnableMFMAChainSplitting(
----------------
romanovvlad wrote:

Done.

https://github.com/llvm/llvm-project/pull/217328