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

[Matt Arsenault via llvm-commits]

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@@ -195,12 +198,14 @@ define amdgpu_kernel void @store_load_vindex_kernel() {
 ; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_FLAT_SCR_LO), s8
 ; GFX10-NEXT:    s_setreg_b32 hwreg(HW_REG_FLAT_SCR_HI), s9
 ; GFX10-NEXT:    v_sub_nc_u32_e32 v1, 0, v0
+; GFX10-NEXT:    v_mov_b32_e32 v2, 0x7c
 ; GFX10-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
-; GFX10-NEXT:    v_mov_b32_e32 v2, 15
+; GFX10-NEXT:    v_mov_b32_e32 v3, 15
 ; GFX10-NEXT:    v_lshlrev_b32_e32 v1, 2, v1
-; GFX10-NEXT:    scratch_store_dword v0, v2, off
+; GFX10-NEXT:    scratch_store_dword v0, v3, off
 ; GFX10-NEXT:    s_waitcnt_vscnt null, 0x0
-; GFX10-NEXT:    scratch_load_dword v0, v1, off offset:124 glc dlc
+; GFX10-NEXT:    v_add3_u32 v1, 0, v1, v2
+; GFX10-NEXT:    scratch_load_dword v0, v1, off glc dlc
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arsenm wrote:

Add some addressing mode tests that show the net result of offset folding and the preserve / drop of these flags? Or does that go with a later patch? 

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