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

[Matt Arsenault via llvm-commits]

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@@ -179,12 +179,15 @@ define amdgpu_kernel void @store_load_vindex_kernel() {
 ; GFX9-NEXT:    s_add_u32 flat_scratch_lo, s8, s13
 ; GFX9-NEXT:    s_addc_u32 flat_scratch_hi, s9, 0
 ; GFX9-NEXT:    v_lshlrev_b32_e32 v1, 2, v0
-; GFX9-NEXT:    v_mov_b32_e32 v2, 15
+; GFX9-NEXT:    v_mov_b32_e32 v3, 15
 ; GFX9-NEXT:    v_sub_u32_e32 v0, 0, v0
-; GFX9-NEXT:    scratch_store_dword v1, v2, off
+; GFX9-NEXT:    v_mov_b32_e32 v2, 0
+; GFX9-NEXT:    scratch_store_dword v1, v3, off
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arsenm wrote:

change to preserve offset fold?

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