[llvm] [AMDGPU][CodeGen] Using MBB's liveIn check in tandem with MCRegAliasIterator in SILowerSGPRSpills (PR #129848)

[Vikash Gupta via llvm-commits]

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@@ -55,22 +55,22 @@ body:             |
     ; GCN-LABEL: name: sgpr_spill_lane_crossover
     ; GCN: liveins: $sgpr10, $sgpr64, $sgpr65, $sgpr66, $sgpr67, $sgpr68, $sgpr69, $sgpr70, $sgpr71, $sgpr80, $sgpr81, $sgpr82, $sgpr83, $sgpr84, $sgpr85, $sgpr86, $sgpr87, $vgpr63, $sgpr30_sgpr31, $sgpr64_sgpr65_sgpr66_sgpr67_sgpr68_sgpr69_sgpr70_sgpr71, $sgpr72_sgpr73_sgpr74_sgpr75_sgpr76_sgpr77_sgpr78_sgpr79, $sgpr80_sgpr81_sgpr82_sgpr83_sgpr84_sgpr85_sgpr86_sgpr87, $sgpr88_sgpr89_sgpr90_sgpr91_sgpr92_sgpr93_sgpr94_sgpr95
     ; GCN-NEXT: {{  $}}
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr64, 0, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr65, 1, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr66, 2, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr67, 3, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr68, 4, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr69, 5, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr70, 6, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr71, 7, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr80, 8, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr81, 9, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr82, 10, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr83, 11, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr84, 12, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr85, 13, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr86, 14, $vgpr63
-    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR killed $sgpr87, 15, $vgpr63
+    ; GCN-NEXT: $vgpr63 = SI_SPILL_S32_TO_VGPR $sgpr64, 0, $vgpr63
----------------
vg0204 wrote:

These are just another case mimicing the added test case accounting for this change!

https://github.com/llvm/llvm-project/pull/129848