[llvm] [SeparateConstOffsetFromGEP] Don't set unsound inbounds flag (PR #130616)

[Matt Arsenault via llvm-commits]

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@@ -208,20 +208,26 @@ define void @mubuf_clause(ptr addrspace(5) noalias nocapture readonly %arg, ptr
 ; GCN-SCRATCH-NEXT:    v_lshlrev_b32_e32 v2, 4, v31
 ; GCN-SCRATCH-NEXT:    v_and_b32_e32 v18, 0x3ff0, v2
 ; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v0, v0, v18
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v6, 16, v0
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v10, 32, v0
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v14, 48, v0
 ; GCN-SCRATCH-NEXT:    s_clause 0x3
 ; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[2:5], v0, off
-; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[6:9], v0, off offset:16
-; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[10:13], v0, off offset:32
-; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[14:17], v0, off offset:48
+; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[6:9], v6, off
+; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[10:13], v10, off
+; GCN-SCRATCH-NEXT:    scratch_load_dwordx4 v[14:17], v14, off
 ; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v0, v1, v18
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v1, 16, v0
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v18, 32, v0
+; GCN-SCRATCH-NEXT:    v_add_nc_u32_e32 v19, 48, v0
 ; GCN-SCRATCH-NEXT:    s_waitcnt vmcnt(3)
 ; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v0, v[2:5], off
 ; GCN-SCRATCH-NEXT:    s_waitcnt vmcnt(2)
-; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v0, v[6:9], off offset:16
+; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v1, v[6:9], off
 ; GCN-SCRATCH-NEXT:    s_waitcnt vmcnt(1)
-; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v0, v[10:13], off offset:32
+; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v18, v[10:13], off
 ; GCN-SCRATCH-NEXT:    s_waitcnt vmcnt(0)
-; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v0, v[14:17], off offset:48
+; GCN-SCRATCH-NEXT:    scratch_store_dwordx4 v19, v[14:17], off
 ; GCN-SCRATCH-NEXT:    s_setpc_b64 s[30:31]
 bb:
   %tmp = tail call i32 @llvm.amdgcn.workitem.id.x()
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arsenm wrote:

For the purpose of this test, probably best to massage the input to preserve the offset folding 

https://github.com/llvm/llvm-project/pull/130616