[PATCH] D63163: [GlobalISel][AArch64] Fold G_SUB into G_ICMP when it's safe to do so
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 11 13:28:10 PDT 2019
arsenm added a comment.
I thought PeepholeOptimizer took care of this sort of thing?
================
Comment at: llvm/lib/Target/AArch64/AArch64InstructionSelector.cpp:3033-3034
+ I.getOperand(2).setReg(LHSDef->getOperand(2).getReg());
+ return true;
+ } else if (IsCMN(RHSDef, CC)) {
+ // Same idea here, but with the RHS of the compare instead:
----------------
No else after return
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D63163/new/
https://reviews.llvm.org/D63163
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