[llvm-branch-commits] [llvm] [AMDGPU] Make AMDGPURewriteAGPRCopyMFMA aware of subreg reload (PR #174998)

[via llvm-branch-commits]

================
@@ -422,6 +433,33 @@ bool AMDGPURewriteAGPRCopyMFMAImpl::tryFoldCopiesFromAGPR(
   return MadeChange;
 }
 
+unsigned
+AMDGPURewriteAGPRCopyMFMAImpl::getSubRegFromReload(MachineInstr &MI,
----------------
easyonaadit wrote:

Working on the tablegen'd functions.

https://github.com/llvm/llvm-project/pull/174998