[llvm] [MachineScheduler] Fix physreg dependencies of ExitSU (PR #123541)

[Matt Arsenault via llvm-commits]

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@@ -109,24 +109,23 @@ define amdgpu_kernel void @test_call_external_void_func_i1_imm() #0 {
 ; GFX9-NEXT:    s_addc_u32 s37, s37, 0
 ; GFX9-NEXT:    s_mov_b64 s[6:7], s[0:1]
 ; GFX9-NEXT:    s_mov_b64 s[0:1], s[36:37]
-; GFX9-NEXT:    s_mov_b64 s[2:3], s[38:39]
-; GFX9-NEXT:    v_mov_b32_e32 v0, 1
-; GFX9-NEXT:    s_mov_b32 s32, 0
 ; GFX9-NEXT:    s_getpc_b64 s[4:5]
 ; GFX9-NEXT:    s_add_u32 s4, s4, external_void_func_i1 at rel32@lo+4
 ; GFX9-NEXT:    s_addc_u32 s5, s5, external_void_func_i1 at rel32@hi+12
+; GFX9-NEXT:    s_mov_b64 s[2:3], s[38:39]
+; GFX9-NEXT:    v_mov_b32_e32 v0, 1
+; GFX9-NEXT:    s_mov_b32 s32, 0
 ; GFX9-NEXT:    s_swappc_b64 s[30:31], s[4:5]
 ; GFX9-NEXT:    s_endpgm
 ;
 ; GFX11-LABEL: test_call_external_void_func_i1_imm:
 ; GFX11:       ; %bb.0:
 ; GFX11-NEXT:    v_mov_b32_e32 v0, 1
-; GFX11-NEXT:    s_mov_b64 s[6:7], s[0:1]
-; GFX11-NEXT:    s_mov_b32 s32, 0
 ; GFX11-NEXT:    s_getpc_b64 s[2:3]
 ; GFX11-NEXT:    s_add_u32 s2, s2, external_void_func_i1 at rel32@lo+4
 ; GFX11-NEXT:    s_addc_u32 s3, s3, external_void_func_i1 at rel32@hi+12
-; GFX11-NEXT:    s_delay_alu instid0(SALU_CYCLE_1)
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arsenm wrote:

You can ignore all the s_delay changes 

https://github.com/llvm/llvm-project/pull/123541