[PATCH] D11621: AMDGPU/SI: Mark SMRD instructions as rematerializable

[Michel Dänzer]

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Also, is rematerializing SMRD instructions to save SGPR spills really a win? 64 SGPRs can be spilled to a single VGPR, but the rematerialized SMRD instruction is only cheap if the loaded value is still in cache, right?


http://reviews.llvm.org/D11621