[PATCH] D15341: Separate CSRs into a subset handled via explicit copies and a subset handled by prologue/epilogue (AArch64)

hfinkel@anl.gov via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 9 04:37:10 PST 2015


hfinkel added a subscriber: hfinkel.

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Comment at: lib/Target/AArch64/AArch64ISelLowering.cpp:10055
@@ +10054,3 @@
+            TII->get(TargetOpcode::COPY), NewVR)
+        .addReg(*I);
+    BuildMI(*Exit, Exit->begin(), DebugLoc(),
----------------
Do you need to emit any kind of CFI pseudo-instructions for these so that unwinding works?


http://reviews.llvm.org/D15341





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