[PATCH] D134582: [LoongArch] Support lowering frames larger than 2048 bytes

Lu Weining via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sun Sep 25 20:50:58 PDT 2022


SixWeining added a comment.

Had better to add some tests.



================
Comment at: llvm/lib/Target/LoongArch/LoongArchRegisterInfo.cpp:138
+    // The offset won't fit in an immediate, so use a scratch register instead
+    // Modify Offset and FrameReg appropriately
+    Register ScratchReg = MRI.createVirtualRegister(&LoongArch::GPRRegClass);
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