[llvm] [AMDGPU] IGLP: Fix static variables (PR #137549)

[Matt Arsenault via llvm-commits]

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@@ -259,6 +279,45 @@ template <> struct MappingTraits<SIMode> {
   }
 };
 
+struct MFMASmallGemmSingleWaveCacheEntry {
+  unsigned MBBNum = 0;
+  unsigned StrategyId = 0;
+  MFMASmallGemmSingleWaveCache Cache;
+};
+
+template <> struct MappingTraits<MFMASmallGemmSingleWaveCacheEntry> {
+  static void mapping(IO &YamlIO, MFMASmallGemmSingleWaveCacheEntry &E) {
+    YamlIO.mapRequired("mbb", E.MBBNum);
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arsenm wrote:

Why is the block reference needed? Isn't that just the block the IGLP_OT instruction is in?

https://github.com/llvm/llvm-project/pull/137549