xref: /llvm-project/llvm/test/CodeGen/AMDGPU/recursive-resource-usage-mcexpr.ll (revision bd9145c8c21334e099d51b3e66f49d51d24931ee) 
1; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx90a < %s | FileCheck %s
2
3; CHECK-LABEL: {{^}}qux
4; CHECK: .set qux.num_vgpr, max(71, foo.num_vgpr)
5; CHECK: .set qux.num_agpr, max(0, foo.num_agpr)
6; CHECK: .set qux.numbered_sgpr, max(46, foo.numbered_sgpr)
7; CHECK: .set qux.private_seg_size, 16
8; CHECK: .set qux.uses_vcc, or(1, foo.uses_vcc)
9; CHECK: .set qux.uses_flat_scratch, or(0, foo.uses_flat_scratch)
10; CHECK: .set qux.has_dyn_sized_stack, or(0, foo.has_dyn_sized_stack)
11; CHECK: .set qux.has_recursion, or(1, foo.has_recursion)
12; CHECK: .set qux.has_indirect_call, or(0, foo.has_indirect_call)
13
14; CHECK-LABEL: {{^}}baz
15; CHECK: .set baz.num_vgpr, max(61, qux.num_vgpr)
16; CHECK: .set baz.num_agpr, max(0, qux.num_agpr)
17; CHECK: .set baz.numbered_sgpr, max(51, qux.numbered_sgpr)
18; CHECK: .set baz.private_seg_size, 16+(max(qux.private_seg_size))
19; CHECK: .set baz.uses_vcc, or(1, qux.uses_vcc)
20; CHECK: .set baz.uses_flat_scratch, or(0, qux.uses_flat_scratch)
21; CHECK: .set baz.has_dyn_sized_stack, or(0, qux.has_dyn_sized_stack)
22; CHECK: .set baz.has_recursion, or(1, qux.has_recursion)
23; CHECK: .set baz.has_indirect_call, or(0, qux.has_indirect_call)
24
25; CHECK-LABEL: {{^}}bar
26; CHECK: .set bar.num_vgpr, max(51, baz.num_vgpr)
27; CHECK: .set bar.num_agpr, max(0, baz.num_agpr)
28; CHECK: .set bar.numbered_sgpr, max(61, baz.numbered_sgpr)
29; CHECK: .set bar.private_seg_size, 16+(max(baz.private_seg_size))
30; CHECK: .set bar.uses_vcc, or(1, baz.uses_vcc)
31; CHECK: .set bar.uses_flat_scratch, or(0, baz.uses_flat_scratch)
32; CHECK: .set bar.has_dyn_sized_stack, or(0, baz.has_dyn_sized_stack)
33; CHECK: .set bar.has_recursion, or(1, baz.has_recursion)
34; CHECK: .set bar.has_indirect_call, or(0, baz.has_indirect_call)
35
36; CHECK-LABEL: {{^}}foo
37; CHECK: .set foo.num_vgpr, max(46, amdgpu.max_num_vgpr)
38; CHECK: .set foo.num_agpr, max(0, amdgpu.max_num_agpr)
39; CHECK: .set foo.numbered_sgpr, max(71, amdgpu.max_num_sgpr)
40; CHECK: .set foo.private_seg_size, 16
41; CHECK: .set foo.uses_vcc, 1
42; CHECK: .set foo.uses_flat_scratch, 0
43; CHECK: .set foo.has_dyn_sized_stack, 0
44; CHECK: .set foo.has_recursion, 1
45; CHECK: .set foo.has_indirect_call, 0
46
47define void @foo() {
48entry:
49  call void @bar()
50  call void asm sideeffect "", "~{v45}"()
51  call void asm sideeffect "", "~{s70}"()
52  ret void
53}
54
55define void @bar() {
56entry:
57  call void @baz()
58  call void asm sideeffect "", "~{v50}"()
59  call void asm sideeffect "", "~{s60}"()
60  ret void
61}
62
63define void @baz() {
64entry:
65  call void @qux()
66  call void asm sideeffect "", "~{v60}"()
67  call void asm sideeffect "", "~{s50}"()
68  ret void
69}
70
71define void @qux() {
72entry:
73  call void @foo()
74  call void asm sideeffect "", "~{v70}"()
75  call void asm sideeffect "", "~{s45}"()
76  ret void
77}
78
79; CHECK-LABEL: {{^}}usefoo
80; CHECK: .set usefoo.num_vgpr, max(32, foo.num_vgpr)
81; CHECK: .set usefoo.num_agpr, max(0, foo.num_agpr)
82; CHECK: .set usefoo.numbered_sgpr, max(33, foo.numbered_sgpr)
83; CHECK: .set usefoo.private_seg_size, 0+(max(foo.private_seg_size))
84; CHECK: .set usefoo.uses_vcc, or(1, foo.uses_vcc)
85; CHECK: .set usefoo.uses_flat_scratch, or(1, foo.uses_flat_scratch)
86; CHECK: .set usefoo.has_dyn_sized_stack, or(0, foo.has_dyn_sized_stack)
87; CHECK: .set usefoo.has_recursion, or(1, foo.has_recursion)
88; CHECK: .set usefoo.has_indirect_call, or(0, foo.has_indirect_call)
89define amdgpu_kernel void @usefoo() {
90  call void @foo()
91  ret void
92}
93
94