[llvm] [AMDGPU] Remove leftover implicit operands from SI_SPILL/SI_RESTORE. (PR #168546)

[Matt Arsenault via llvm-commits]

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@@ -16,7 +16,7 @@ body:             |
   ; GCN-NEXT:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
   ; GCN-NEXT: {{  $}}
   ; GCN-NEXT:   [[PHI:%[0-9]+]]:vreg_64_align2 = PHI [[COPY]], %bb.0, %7, %bb.1
-  ; GCN-NEXT:   [[FLAT_LOAD_DWORD:%[0-9]+]]:vgpr_32 = FLAT_LOAD_DWORD [[PHI]], 0, 0, implicit $exec, implicit $flat_scr
+  ; GCN-NEXT:   [[FLAT_LOAD_DWORD:%[0-9]+]]:vgpr_32 = FLAT_LOAD_DWORD [[PHI]], 0, 0, implicit $exec
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arsenm wrote:

This is broken 

https://github.com/llvm/llvm-project/pull/168546