[llvm] [TTI][CostModel] Add cost modeling for expandload and compressstore intrinsics (PR #122882)

[Philip Reames via llvm-commits]

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@@ -1453,6 +1453,146 @@ define void @store() {
   ret void
 }
 
+define void @expand_load() {
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preames wrote:

These are not vp. intrinsics.  Please move these tests to an appropriately named file.

https://github.com/llvm/llvm-project/pull/122882