[llvm] [AMDGPU] Hints for prefering allocating AGPR registers for buffer loads (PR #215697)

[Matt Arsenault via llvm-commits]

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@@ -22,11 +22,17 @@
 #include "llvm/CodeGen/LiveIntervals.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
 #include "llvm/InitializePasses.h"
+#include "llvm/Support/CommandLine.h"
 
 using namespace llvm;
 
 #define DEBUG_TYPE "amdgpu-prepare-agpr-alloc"
 
+static cl::opt<bool> BufferLoadPreferAGPR(
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arsenm wrote:

No new cl::opts 

https://github.com/llvm/llvm-project/pull/215697