[clang-tools-extra] [llvm] [libc] [flang] [compiler-rt] [libcxx] [clang] [AMDGPU] Fix lack of LDS DMA check in the AA handling (PR #75249)

[Stanislav Mekhanoshin via cfe-commits]

================
@@ -3656,8 +3656,8 @@ bool SIInstrInfo::areMemAccessesTriviallyDisjoint(const 
MachineInstr &MIa,
   // underlying address space, even if it was lowered to a different one,
   // e.g. private accesses lowered to use MUBUF instructions on a scratch
   // buffer.
-  if (isDS(MIa)) {
-    if (isDS(MIb))
+  if (isDS(MIa) || isLDSDMA(MIa)) {
+    if (isDS(MIb) || isLDSDMA(MIb))
       return checkInstOffsetsDoNotOverlap(MIa, MIb);
----------------
rampitec wrote:

Just bail early.

https://github.com/llvm/llvm-project/pull/75249
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