================
@@ -293,7 +506,87 @@ RegBankLegalizeRules::RegBankLegalizeRules(const
GCNSubtarget &_ST,
.Any({{UniS64, S32}, {{Sgpr64}, {Sgpr32}, Ext32To64}})
.Any({{DivS64, S32}, {{Vgpr64}, {Vgpr32}, Ext32To64}});
- addRulesForGOpcs({G_LOAD}).Any({{DivS32, DivP1}, {{Vgpr32}, {VgprP1}}});
+ bool hasUnAlignedLoads = ST->getGeneration() >= AMDGPUSubtarget::GFX12;
+ bool hasSMRDSmall = ST->hasScalarSubwordLoads();
+
+ Predicate isAlign16([](const MachineInstr &MI) -> bool {
+ return (*MI.memoperands_begin())->getAlign() >= Align(16);
+ });
+
+ Predicate isAlign4([](const MachineInstr &MI) -> bool {
+ return (*MI.memoperands_begin())->getAlign() >= Align(4);
+ });
+
+ Predicate isAtomicMMO([](const MachineInstr &MI) -> bool {
+ return (*MI.memoperands_begin())->isAtomic();
+ });
+
+ Predicate isUniMMO([](const MachineInstr &MI) -> bool {
+ return AMDGPUInstrInfo::isUniformMMO(*MI.memoperands_begin());
+ });
+
+ Predicate isConst([](const MachineInstr &MI) -> bool {
+ // This is wierd. Can AS in MMO be different then AS on pointer?
----------------
arsenm wrote:
Typo wierd.
Yes, the verifier doesn't enforce this (although maybe it should). In the cases
where the addrspace comes from an underlying IR value, it definitely can
mismatch
https://github.com/llvm/llvm-project/pull/112882
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