; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -global-isel -mtriple=amdgcn--amdhsa -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s

define amdgpu_kernel void @test_wave64(i32 %arg0, i64 %saved) {
; GCN-LABEL: test_wave64:
; GCN:       ; %bb.0: ; %entry
; GCN-NEXT:    s_load_dword s2, s[4:5], 0x0
; GCN-NEXT:    s_load_dwordx2 s[0:1], s[4:5], 0x8
; GCN-NEXT:    s_waitcnt lgkmcnt(0)
; GCN-NEXT:    s_cmp_lg_u32 s2, 0
; GCN-NEXT:    s_cbranch_scc1 .LBB0_2
; GCN-NEXT:  ; %bb.1: ; %mid
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    global_store_dword v[0:1], v0, off
; GCN-NEXT:    s_waitcnt vmcnt(0)
; GCN-NEXT:  .LBB0_2: ; %bb
; GCN-NEXT:    s_or_b64 exec, exec, s[0:1]
; GCN-NEXT:    v_mov_b32_e32 v0, 0
; GCN-NEXT:    global_store_dword v[0:1], v0, off
; GCN-NEXT:    s_waitcnt vmcnt(0)
; GCN-NEXT:    s_endpgm
entry:
  %cond = icmp eq i32 %arg0, 0
  br i1 %cond, label %mid, label %bb

mid:
  store volatile i32 0, i32 addrspace(1)* undef
  br label %bb

bb:
  call void @llvm.amdgcn.end.cf.i64(i64 %saved)
  store volatile i32 0, i32 addrspace(1)* undef
  ret void
}

declare void @llvm.amdgcn.end.cf.i64(i64 %val)