test/CodeGen/AMDGPU/indirect-call-known-callees.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 < %s | FileCheck %s

; We have an indirect call with a known set of callees, which are
; known to not need any special inputs. The ABI still needs to use the
; register

; FIXME: Passing real values for workitem ID, and 0s that can be undef

define amdgpu_kernel void @indirect_call_known_no_special_inputs() {
; CHECK-LABEL: indirect_call_known_no_special_inputs:
; CHECK:       ; %bb.0: ; %bb
; CHECK-NEXT:    s_add_u32 flat_scratch_lo, s4, s7
; CHECK-NEXT:    s_addc_u32 flat_scratch_hi, s5, 0
; CHECK-NEXT:    s_mov_b64 s[4:5], 0
; CHECK-NEXT:    s_load_dword s4, s[4:5], 0x0
; CHECK-NEXT:    s_add_u32 s0, s0, s7
; CHECK-NEXT:    s_addc_u32 s1, s1, 0
; CHECK-NEXT:    s_mov_b32 s33, s6
; CHECK-NEXT:    v_mov_b32_e32 v31, v0
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    s_bitcmp1_b32 s4, 0
; CHECK-NEXT:    s_cselect_b64 vcc, -1, 0
; CHECK-NEXT:    s_getpc_b64 s[4:5]
; CHECK-NEXT:    s_add_u32 s4, s4, wobble@gotpcrel32@lo+4
; CHECK-NEXT:    s_addc_u32 s5, s5, wobble@gotpcrel32@hi+12
; CHECK-NEXT:    s_getpc_b64 s[6:7]
; CHECK-NEXT:    s_add_u32 s6, s6, snork@gotpcrel32@lo+4
; CHECK-NEXT:    s_addc_u32 s7, s7, snork@gotpcrel32@hi+12
; CHECK-NEXT:    s_load_dwordx2 s[8:9], s[6:7], 0x0
; CHECK-NEXT:    s_load_dwordx2 s[10:11], s[4:5], 0x0
; CHECK-NEXT:    s_mov_b32 s32, 0
; CHECK-NEXT:    s_mov_b64 s[4:5], exec
; CHECK-NEXT:    s_waitcnt lgkmcnt(0)
; CHECK-NEXT:    v_mov_b32_e32 v0, s9
; CHECK-NEXT:    v_mov_b32_e32 v1, s11
; CHECK-NEXT:    v_mov_b32_e32 v2, s8
; CHECK-NEXT:    v_mov_b32_e32 v4, s10
; CHECK-NEXT:    v_cndmask_b32_e32 v3, v0, v1, vcc
; CHECK-NEXT:    v_cndmask_b32_e32 v2, v2, v4, vcc
; CHECK-NEXT:    v_mov_b32_e32 v1, 0
; CHECK-NEXT:  .LBB0_1: ; =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    v_readfirstlane_b32 s4, v2
; CHECK-NEXT:    v_readfirstlane_b32 s5, v3
; CHECK-NEXT:    v_cmp_eq_u64_e32 vcc, s[4:5], v[2:3]
; CHECK-NEXT:    s_and_saveexec_b64 s[34:35], vcc
; CHECK-NEXT:    s_mov_b64 s[8:9], 0
; CHECK-NEXT:    s_mov_b32 s12, s33
; CHECK-NEXT:    v_mov_b32_e32 v4, v1
; CHECK-NEXT:    s_swappc_b64 s[30:31], s[4:5]
; CHECK-NEXT:    ; implicit-def: $vgpr2_vgpr3
; CHECK-NEXT:    ; implicit-def: $vgpr31
; CHECK-NEXT:    ; implicit-def: $vgpr1
; CHECK-NEXT:    s_xor_b64 exec, exec, s[34:35]
; CHECK-NEXT:    s_cbranch_execnz .LBB0_1
; CHECK-NEXT:  ; %bb.2:
; CHECK-NEXT:    s_endpgm

; CHECK: .amdhsa_kernarg_size 0
; CHECK-NEXT: .amdhsa_user_sgpr_count 6
; CHECK-NEXT: .amdhsa_user_sgpr_private_segment_buffer 1
; CHECK-NEXT: .amdhsa_user_sgpr_dispatch_ptr 0
; CHECK-NEXT: .amdhsa_user_sgpr_queue_ptr 0
; CHECK-NEXT: .amdhsa_user_sgpr_kernarg_segment_ptr 0
; CHECK-NEXT: .amdhsa_user_sgpr_dispatch_id 0
; CHECK-NEXT: .amdhsa_user_sgpr_flat_scratch_init 1
; CHECK-NEXT: .amdhsa_user_sgpr_private_segment_size 0
; CHECK-NEXT: .amdhsa_uses_dynamic_stack 1
; CHECK-NEXT: .amdhsa_system_sgpr_private_segment_wavefront_offset 1
; CHECK-NEXT: .amdhsa_system_sgpr_workgroup_id_x 1
; CHECK-NEXT: .amdhsa_system_sgpr_workgroup_id_y 0
; CHECK-NEXT: .amdhsa_system_sgpr_workgroup_id_z 0
; CHECK-NEXT: .amdhsa_system_sgpr_workgroup_info 0
; CHECK-NEXT: .amdhsa_system_vgpr_workitem_id 0
bb:
  %cond = load i1, i1 addrspace(4)* null
  %tmp = select i1 %cond, void (i8*, i32, i8*)* bitcast (void ()* @wobble to void (i8*, i32, i8*)*), void (i8*, i32, i8*)* bitcast (void ()* @snork to void (i8*, i32, i8*)*)
  call void %tmp(i8* undef, i32 undef, i8* undef)
  ret void
}

define void @wobble() {
; CHECK-LABEL: wobble:
; CHECK:       ; %bb.0: ; %bb
; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT:    s_setpc_b64 s[30:31]
bb:
  ret void
}

define void @snork() {
; CHECK-LABEL: snork:
; CHECK:       ; %bb.0: ; %bb
; CHECK-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; CHECK-NEXT:    s_setpc_b64 s[30:31]
bb:
  ret void
}