1; RUN: llc -mtriple=amdgcn--amdhsa -verify-machineinstrs < %s | FileCheck -check-prefix=HSA-TRAP %s
2
3; RUN: llc -mtriple=amdgcn--amdhsa -mattr=+trap-handler -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=HSA-TRAP %s
4; RUN: llc -mtriple=amdgcn--amdhsa -mattr=-trap-handler -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=NO-HSA-TRAP %s
5; RUN: llc -mtriple=amdgcn--amdhsa -mattr=-trap-handler -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=GCN -check-prefix=GCN-WARNING %s
6
7; enable trap handler feature
8; RUN: llc -mtriple=amdgcn-unknown-mesa3d -mattr=+trap-handler -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=NO-MESA-TRAP -check-prefix=TRAP-BIT -check-prefix=MESA-TRAP %s
9; RUN: llc -mtriple=amdgcn-unknown-mesa3d -mattr=+trap-handler -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=GCN -check-prefix=GCN-WARNING -check-prefix=TRAP-BIT %s
10
11; disable trap handler feature
12; RUN: llc -mtriple=amdgcn-unknown-mesa3d -mattr=-trap-handler -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=NO-MESA-TRAP -check-prefix=NO-TRAP-BIT -check-prefix=NOMESA-TRAP %s
13; RUN: llc -mtriple=amdgcn-unknown-mesa3d -mattr=-trap-handler -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=GCN -check-prefix=GCN-WARNING -check-prefix=NO-TRAP-BIT %s
14
15; RUN: llc -march=amdgcn -verify-machineinstrs < %s 2>&1 | FileCheck -check-prefix=GCN -check-prefix=GCN-WARNING %s
16
17declare void @llvm.trap() #0
18declare void @llvm.debugtrap() #0
19
20; MESA-TRAP: .section .AMDGPU.config
21; MESA-TRAP:  .long   47180
22; MESA-TRAP-NEXT: .long   204
23
24; NOMESA-TRAP: .section .AMDGPU.config
25; NOMESA-TRAP:  .long   47180
26; NOMESA-TRAP-NEXT: .long   140
27
28; GCN-LABEL: {{^}}hsa_trap:
29; HSA-TRAP: enable_trap_handler = 1
30; HSA-TRAP: s_mov_b64 s[0:1], s[4:5]
31; HSA-TRAP: s_trap 2
32
33; for llvm.trap in hsa path without ABI, direct generate s_endpgm instruction without any warning information
34; NO-HSA-TRAP: enable_trap_handler = 0
35; NO-HSA-TRAP: s_endpgm
36; NO-HSA-TRAP: COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
37
38; TRAP-BIT: enable_trap_handler = 1
39; NO-TRAP-BIT: enable_trap_handler = 0
40; NO-MESA-TRAP: s_endpgm
41define amdgpu_kernel void @hsa_trap() {
42  call void @llvm.trap()
43  ret void
44}
45
46; MESA-TRAP: .section .AMDGPU.config
47; MESA-TRAP:  .long   47180
48; MESA-TRAP-NEXT: .long   204
49
50; NOMESA-TRAP: .section .AMDGPU.config
51; NOMESA-TRAP:  .long   47180
52; NOMESA-TRAP-NEXT: .long   140
53
54; GCN-WARNING: warning: <unknown>:0:0: in function hsa_debugtrap void (): debugtrap handler not supported
55; GCN-LABEL: {{^}}hsa_debugtrap:
56; HSA-TRAP: enable_trap_handler = 1
57; HSA-TRAP: s_mov_b64 s[0:1], s[4:5]
58; HSA-TRAP: s_trap 3
59
60; for llvm.debugtrap in non-hsa path without ABI, generate a warning and a s_endpgm instruction
61; NO-HSA-TRAP: enable_trap_handler = 0
62; NO-HSA-TRAP: s_endpgm
63
64; TRAP-BIT: enable_trap_handler = 1
65; NO-TRAP-BIT: enable_trap_handler = 0
66; NO-MESA-TRAP: s_endpgm
67define amdgpu_kernel void @hsa_debugtrap() {
68  call void @llvm.debugtrap()
69  ret void
70}
71
72; For non-HSA path
73; GCN-LABEL: {{^}}trap:
74; TRAP-BIT: enable_trap_handler = 1
75; NO-TRAP-BIT: enable_trap_handler = 0
76; NO-HSA-TRAP: s_endpgm
77; NO-MESA-TRAP: s_endpgm
78define amdgpu_kernel void @trap() {
79  call void @llvm.trap()
80  ret void
81}
82
83; GCN-LABEL: {{^}}non_entry_trap:
84; TRAP-BIT: enable_trap_handler = 1
85; NO-TRAP-BIT: enable_trap_handler = 0
86
87; HSA: BB{{[0-9]_[0-9]+]]: ; %trap
88; HSA-TRAP: s_mov_b64 s[0:1], s[4:5]
89; HSA-TRAP-NEXT: s_trap 2
90define amdgpu_kernel void @non_entry_trap(i32 addrspace(1)* nocapture readonly %arg0) local_unnamed_addr #1 {
91entry:
92  %tmp29 = load volatile i32, i32 addrspace(1)* %arg0
93  %cmp = icmp eq i32 %tmp29, -1
94  br i1 %cmp, label %ret, label %trap
95
96trap:
97  call void @llvm.trap()
98  unreachable
99
100ret:
101  ret void
102}
103
104attributes #0 = { nounwind noreturn }
105