llvm/test/CodeGen/AMDGPU/tail-call-amdgpu-gfx.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=amdgpu9.00--amdpal < %s | FileCheck -check-prefixes=GCN,GCN-SELDAG -enable-var-scope %s
; RUN: llc -global-isel -mtriple=amdgpu9.00--amdpal < %s | FileCheck -check-prefixes=GCN,GCN-GISEL -enable-var-scope %s


; Callee with VGPR arguments
define hidden amdgpu_gfx float @callee(float %v.arg0, float %v.arg1) {
; GCN-LABEL: callee:
; GCN:       ; %bb.0:
; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-NEXT:    v_add_f32_e32 v0, v0, v1
; GCN-NEXT:    s_setpc_b64 s[30:31]
  %add = fadd float %v.arg0, %v.arg1
  ret float %add
}

define amdgpu_gfx float @caller(float %arg0) {
; GCN-SELDAG-LABEL: caller:
; GCN-SELDAG:       ; %bb.0:
; GCN-SELDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-SELDAG-NEXT:    v_add_f32_e32 v0, 1.0, v0
; GCN-SELDAG-NEXT:    s_mov_b32 s37, callee@abs32@hi
; GCN-SELDAG-NEXT:    s_mov_b32 s36, callee@abs32@lo
; GCN-SELDAG-NEXT:    v_mov_b32_e32 v1, 2.0
; GCN-SELDAG-NEXT:    s_setpc_b64 s[36:37]
;
; GCN-GISEL-LABEL: caller:
; GCN-GISEL:       ; %bb.0:
; GCN-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
; GCN-GISEL-NEXT:    v_add_f32_e32 v0, 1.0, v0
; GCN-GISEL-NEXT:    s_mov_b32 s36, callee@abs32@lo
; GCN-GISEL-NEXT:    s_mov_b32 s37, callee@abs32@hi
; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, 2.0
; GCN-GISEL-NEXT:    s_setpc_b64 s[36:37]
  %add = fadd float %arg0, 1.0
  %call = tail call amdgpu_gfx float @callee(float %add, float 2.0)
  ret float %call
}