[llvm] 246b8ea - [AMDGPU] Preserve existing alias info on LDS DMA intrinsics in MIR (#73870)

[via llvm-commits]

Author: Stanislav Mekhanoshin
Date: 2023-11-29T18:09:31-08:00
New Revision: 246b8eae20564e2c34690803efdbaa9cec7c90a1

URL: https://github.com/llvm/llvm-project/commit/246b8eae20564e2c34690803efdbaa9cec7c90a1
DIFF: https://github.com/llvm/llvm-project/commit/246b8eae20564e2c34690803efdbaa9cec7c90a1.diff

LOG: [AMDGPU] Preserve existing alias info on LDS DMA intrinsics in MIR (#73870)

As of now it is NFCI.

Added: 
    

Modified: 
    llvm/lib/Target/AMDGPU/SIISelLowering.cpp

Removed: 
    


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diff  --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
index 6d00cea80d7b24c..d6a768a64ff3421 100644
--- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp
@@ -9085,12 +9085,13 @@ SDValue SITargetLowering::LowerINTRINSIC_VOID(SDValue Op,
 
     auto F = LoadMMO->getFlags() &
              ~(MachineMemOperand::MOStore | MachineMemOperand::MOLoad);
-    LoadMMO = MF.getMachineMemOperand(LoadPtrI, F | MachineMemOperand::MOLoad,
-                                      Size, LoadMMO->getBaseAlign());
+    LoadMMO =
+        MF.getMachineMemOperand(LoadPtrI, F | MachineMemOperand::MOLoad, Size,
+                                LoadMMO->getBaseAlign(), LoadMMO->getAAInfo());
 
-    MachineMemOperand *StoreMMO =
-        MF.getMachineMemOperand(StorePtrI, F | MachineMemOperand::MOStore,
-                                sizeof(int32_t), LoadMMO->getBaseAlign());
+    MachineMemOperand *StoreMMO = MF.getMachineMemOperand(
+        StorePtrI, F | MachineMemOperand::MOStore, sizeof(int32_t),
+        LoadMMO->getBaseAlign(), LoadMMO->getAAInfo());
 
     auto Load = DAG.getMachineNode(Opc, DL, M->getVTList(), Ops);
     DAG.setNodeMemRefs(Load, {LoadMMO, StoreMMO});
@@ -9161,11 +9162,12 @@ SDValue SITargetLowering::LowerINTRINSIC_VOID(SDValue Op,
     StorePtrI.AddrSpace = AMDGPUAS::LOCAL_ADDRESS;
     auto F = LoadMMO->getFlags() &
              ~(MachineMemOperand::MOStore | MachineMemOperand::MOLoad);
-    LoadMMO = MF.getMachineMemOperand(LoadPtrI, F | MachineMemOperand::MOLoad,
-                                      Size, LoadMMO->getBaseAlign());
-    MachineMemOperand *StoreMMO =
-        MF.getMachineMemOperand(StorePtrI, F | MachineMemOperand::MOStore,
-                                sizeof(int32_t), Align(4));
+    LoadMMO =
+        MF.getMachineMemOperand(LoadPtrI, F | MachineMemOperand::MOLoad, Size,
+                                LoadMMO->getBaseAlign(), LoadMMO->getAAInfo());
+    MachineMemOperand *StoreMMO = MF.getMachineMemOperand(
+        StorePtrI, F | MachineMemOperand::MOStore, sizeof(int32_t), Align(4),
+        LoadMMO->getAAInfo());
 
     auto Load = DAG.getMachineNode(Opc, DL, Op->getVTList(), Ops);
     DAG.setNodeMemRefs(Load, {LoadMMO, StoreMMO});