[llvm] [AArch64] New subtarget features to control ldp and stp formation, fo… (PR #66098)
David Green via llvm-commits
llvm-commits at lists.llvm.org
Wed Sep 13 01:15:51 PDT 2023
================
@@ -2136,6 +2136,18 @@ bool AArch64LoadStoreOpt::tryToPairLdStInst(MachineBasicBlock::iterator &MBBI) {
if (!TII->isCandidateToMergeOrPair(MI))
return false;
+ // Fetch the memoperand of the load/store that is a candidate for
+ // combination.
+ MachineMemOperand *MemOp = MI.memoperands().front();
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davemgreen wrote:
I think this may need to guard against memoperands being empty. It shouldn't be common, but I believe they are not guaranteed to be present.
https://github.com/llvm/llvm-project/pull/66098
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