1 ; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs -enable-ipra < %s | FileCheck -check-prefix=GCN %s
2 ; RUN: llc -mtriple=amdgcn-amd-amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
4 ; Kernels are not called, so there is no call preserved mask.
5 ; GCN-LABEL: {{^}}kernel:
6 ; GCN: flat_store_dword
7 define amdgpu_kernel void @kernel(ptr addrspace(1) %out) #0 {
9 store i32 0, ptr addrspace(1) %out
13 ; GCN-LABEL: {{^}}func:
15 define hidden void @func() #1 {
16 call void asm sideeffect "", "~{v0},~{v1},~{v2},~{v3},~{v4},~{v5},~{v6},~{v7}"() #0
20 ; GCN-LABEL: {{^}}kernel_call:
21 ; GCN-NOT: buffer_store
22 ; GCN-NOT: buffer_load
25 ; GCN: flat_load_dword v8
27 ; GCN-NOT: buffer_store
28 ; GCN-NOT: buffer_load
31 ; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v8
35 define amdgpu_kernel void @kernel_call() #0 {
36 %vgpr = load volatile i32, ptr addrspace(1) undef
37 tail call void @func()
38 store volatile i32 %vgpr, ptr addrspace(1) undef
42 ; GCN-LABEL: {{^}}func_regular_call:
43 ; GCN-NOT: buffer_load
45 ; GCN: flat_load_dword v8
47 ; GCN-NOT: buffer_load
49 ; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v8
53 define void @func_regular_call() #1 {
54 %vgpr = load volatile i32, ptr addrspace(1) undef
55 tail call void @func()
56 store volatile i32 %vgpr, ptr addrspace(1) undef
60 ; GCN-LABEL: {{^}}func_tail_call:
62 ; GCN-NEXT: s_getpc_b64 s[16:17]
63 ; GCN-NEXT: s_add_u32 s16,
64 ; GCN-NEXT: s_addc_u32 s17,
65 ; GCN-NEXT: s_setpc_b64 s[16:17]
69 define void @func_tail_call() #1 {
70 tail call void @func()
74 ; GCN-LABEL: {{^}}func_call_tail_call:
75 ; GCN: flat_load_dword v8
77 ; GCN: flat_store_dword v{{\[[0-9]+:[0-9]+\]}}, v8
82 define void @func_call_tail_call() #1 {
83 %vgpr = load volatile i32, ptr addrspace(1) undef
84 tail call void @func()
85 store volatile i32 %vgpr, ptr addrspace(1) undef
86 tail call void @func()
90 ; GCN-LABEL: {{^}}void_func_void:
91 define void @void_func_void() noinline {
95 ; Make sure we don't get save/restore of FP between calls.
96 ; GCN-LABEL: {{^}}test_funcx2:
102 define void @test_funcx2() #0 {
103 call void @void_func_void()
104 call void @void_func_void()
108 ; GCN-LABEL: {{^}}wombat:
109 define weak amdgpu_kernel void @wombat(ptr %arg, ptr %arg2) {
115 ; Make sure we save/restore the return address around the call.
116 ; Function Attrs: norecurse
117 define internal void @hoge() #2 {
119 ; GCN-LABEL: {{^}}hoge:
120 ; GCN-DAG: v_writelane_b32 [[CSR_VGPR:v[0-9]+]], s30,
121 ; GCN-DAG: v_writelane_b32 [[CSR_VGPR]], s31,
122 ; GCN: s_swappc_b64 s[30:31]
123 ; GCN-DAG: v_readlane_b32 s30, [[CSR_VGPR]],
124 ; GCN-DAG: v_readlane_b32 s31, [[CSR_VGPR]],
125 ; GCN: s_waitcnt vmcnt(0)
126 ; GCN: s_setpc_b64 s[30:31]
131 declare dso_local void @eggs()
134 attributes #0 = { nounwind }
135 attributes #1 = { nounwind noinline "amdgpu-no-workitem-id-x" "amdgpu-no-workitem-id-y" "amdgpu-no-workitem-id-z" }
136 attributes #2 = { norecurse }