[PATCH] D22373: [GlobalISel] Introduce a simple instruction selector.
Tom Stellard via llvm-commits
llvm-commits at lists.llvm.org
Fri Jul 15 13:52:13 PDT 2016
tstellarAMD added inline comments.
================
Comment at: lib/CodeGen/GlobalISel/InstructionSelect.cpp:61
@@ +60,3 @@
+ MII != End;) {
+ MachineInstr &MI = *MII++;
+ if (!ISel->select(MI))
----------------
tstellarAMD wrote:
> Won't this will fail if the target decides to delete the instruction? I think targets should be allowed to delete the instruction, because updating MachineIntr in place is very tedious especially if you need to re-order the operands.
Nevermind, this looks OK.
https://reviews.llvm.org/D22373
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