xref: /llvm-project/llvm/test/CodeGen/AMDGPU/tail-call-amdgpu-gfx.ll (revision aa5158cd1ee01625fbbe6fb106b0f2598b0fdf72)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-SELDAG -enable-var-scope %s
3; RUN: llc -global-isel -mtriple=amdgcn--amdpal -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GCN-GISEL -enable-var-scope %s
4
5
6; Callee with VGPR arguments
7define hidden amdgpu_gfx float @callee(float %v.arg0, float %v.arg1) {
8; GCN-LABEL: callee:
9; GCN:       ; %bb.0:
10; GCN-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
11; GCN-NEXT:    v_add_f32_e32 v0, v0, v1
12; GCN-NEXT:    s_setpc_b64 s[30:31]
13  %add = fadd float %v.arg0, %v.arg1
14  ret float %add
15}
16
17define amdgpu_gfx float @caller(float %arg0) {
18; GCN-SELDAG-LABEL: caller:
19; GCN-SELDAG:       ; %bb.0:
20; GCN-SELDAG-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
21; GCN-SELDAG-NEXT:    v_add_f32_e32 v0, 1.0, v0
22; GCN-SELDAG-NEXT:    s_mov_b32 s37, callee@abs32@hi
23; GCN-SELDAG-NEXT:    s_mov_b32 s36, callee@abs32@lo
24; GCN-SELDAG-NEXT:    v_mov_b32_e32 v1, 2.0
25; GCN-SELDAG-NEXT:    s_setpc_b64 s[36:37]
26;
27; GCN-GISEL-LABEL: caller:
28; GCN-GISEL:       ; %bb.0:
29; GCN-GISEL-NEXT:    s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
30; GCN-GISEL-NEXT:    v_add_f32_e32 v0, 1.0, v0
31; GCN-GISEL-NEXT:    s_mov_b32 s36, callee@abs32@lo
32; GCN-GISEL-NEXT:    s_mov_b32 s37, callee@abs32@hi
33; GCN-GISEL-NEXT:    v_mov_b32_e32 v1, 2.0
34; GCN-GISEL-NEXT:    s_setpc_b64 s[36:37]
35  %add = fadd float %arg0, 1.0
36  %call = tail call amdgpu_gfx float @callee(float %add, float 2.0)
37  ret float %call
38}
39