[llvm] [AMDGPU] Support wide register or subregister access when emitting s_singleuse_vdst instructions. (PR #88520)

[Jay Foad via llvm-commits]

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@@ -398,7 +398,6 @@ body: |
   ; CHECK-NEXT:   successors: %bb.1(0x80000000)
   ; CHECK-NEXT:   liveins: $sgpr0_sgpr1
   ; CHECK-NEXT: {{  $}}
-  ; CHECK-NEXT:   S_SINGLEUSE_VDST 1
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jayfoad wrote:

Why did this change? I don't see any wide register or subregister accesses related to the def of vgpr0 in this test.

https://github.com/llvm/llvm-project/pull/88520