[PATCH] D30400: For Thumb1, lower ADDC/ADDE/SUBC/SUBE via the glueless ARMISD nodes, same as already done for ARM and Thumb2.

[Eli Friedman via Phabricator via llvm-commits]

efriedma added inline comments.


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Comment at: lib/Target/ARM/ARMISelDAGToDAG.cpp:3306
+        else {
+          assert(imm < 256);
+          Opc = isAdd ? ARM::tADDi8 : ARM::tSUBi8;
----------------
This assertion seems suspicious... why is it true in general?


https://reviews.llvm.org/D30400