1; RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -stop-after finalize-isel -o %t.mir %s
2; RUN: llc -run-pass=none -verify-machineinstrs %t.mir -o - | FileCheck %s
3
4; Test that SIMachineFunctionInfo can be round trip serialized through
5; MIR.
6
7@lds = addrspace(3) global [512 x float] undef, align 4
8
9; CHECK-LABEL: {{^}}name: kernel
10; CHECK: machineFunctionInfo:
11; CHECK-NEXT: explicitKernArgSize: 128
12; CHECK-NEXT: maxKernArgAlign: 64
13; CHECK-NEXT: ldsSize: 2048
14; CHECK-NEXT: dynLDSAlign: 1
15; CHECK-NEXT: isEntryFunction: true
16; CHECK-NEXT: noSignedZerosFPMath: false
17; CHECK-NEXT: memoryBound: false
18; CHECK-NEXT: waveLimiter: false
19; CHECK-NEXT: hasSpilledSGPRs: false
20; CHECK-NEXT: hasSpilledVGPRs: false
21; CHECK-NEXT: scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
22; CHECK-NEXT: frameOffsetReg:  '$fp_reg'
23; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
24; CHECK-NEXT: argumentInfo:
25; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
26; CHECK-NEXT: kernargSegmentPtr: { reg: '$sgpr4_sgpr5' }
27; CHECK-NEXT: workGroupIDX: { reg: '$sgpr6' }
28; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr7' }
29; CHECK-NEXT: workItemIDX: { reg: '$vgpr0' }
30; CHECK-NEXT: mode:
31; CHECK-NEXT: ieee: true
32; CHECK-NEXT: dx10-clamp: true
33; CHECK-NEXT: fp32-input-denormals: true
34; CHECK-NEXT: fp32-output-denormals: true
35; CHECK-NEXT: fp64-fp16-input-denormals: true
36; CHECK-NEXT: fp64-fp16-output-denormals: true
37; CHECK-NEXT: highBitsOf32BitAddress: 0
38; CHECK-NEXT: occupancy: 10
39; CHECK-NEXT: body:
40define amdgpu_kernel void @kernel(i32 %arg0, i64 %arg1, <16 x i32> %arg2) {
41  %gep = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %arg0
42  store float 0.0, float addrspace(3)* %gep, align 4
43  ret void
44}
45
46; CHECK-LABEL: {{^}}name: ps_shader
47; CHECK: machineFunctionInfo:
48; CHECK-NEXT: explicitKernArgSize: 0
49; CHECK-NEXT: maxKernArgAlign: 4
50; CHECK-NEXT: ldsSize: 0
51; CHECK-NEXT: dynLDSAlign: 1
52; CHECK-NEXT: isEntryFunction: true
53; CHECK-NEXT: noSignedZerosFPMath: false
54; CHECK-NEXT: memoryBound: false
55; CHECK-NEXT: waveLimiter: false
56; CHECK-NEXT: hasSpilledSGPRs: false
57; CHECK-NEXT: hasSpilledVGPRs: false
58; CHECK-NEXT: scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
59; CHECK-NEXT: frameOffsetReg:  '$fp_reg'
60; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
61; CHECK-NEXT: argumentInfo:
62; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr3' }
63; CHECK-NEXT: implicitBufferPtr: { reg: '$sgpr0_sgpr1' }
64; CHECK-NEXT: mode:
65; CHECK-NEXT: ieee: false
66; CHECK-NEXT: dx10-clamp: true
67; CHECK-NEXT: fp32-input-denormals: true
68; CHECK-NEXT: fp32-output-denormals: true
69; CHECK-NEXT: fp64-fp16-input-denormals: true
70; CHECK-NEXT: fp64-fp16-output-denormals: true
71; CHECK-NEXT: highBitsOf32BitAddress: 0
72; CHECK-NEXT: occupancy: 10
73; CHECK-NEXT: body:
74define amdgpu_ps void @ps_shader(i32 %arg0, i32 inreg %arg1) {
75  ret void
76}
77
78; CHECK-LABEL: {{^}}name: function
79; CHECK: machineFunctionInfo:
80; CHECK-NEXT: explicitKernArgSize: 0
81; CHECK-NEXT: maxKernArgAlign: 1
82; CHECK-NEXT: ldsSize: 0
83; CHECK-NEXT: dynLDSAlign: 1
84; CHECK-NEXT: isEntryFunction: false
85; CHECK-NEXT: noSignedZerosFPMath: false
86; CHECK-NEXT: memoryBound: false
87; CHECK-NEXT: waveLimiter: false
88; CHECK-NEXT: hasSpilledSGPRs: false
89; CHECK-NEXT: hasSpilledVGPRs: false
90; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
91; CHECK-NEXT: frameOffsetReg: '$sgpr33'
92; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
93; CHECK-NEXT: argumentInfo:
94; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
95; CHECK-NEXT: mode:
96; CHECK-NEXT: ieee: true
97; CHECK-NEXT: dx10-clamp: true
98; CHECK-NEXT: fp32-input-denormals: true
99; CHECK-NEXT: fp32-output-denormals: true
100; CHECK-NEXT: fp64-fp16-input-denormals: true
101; CHECK-NEXT: fp64-fp16-output-denormals: true
102; CHECK-NEXT: highBitsOf32BitAddress: 0
103; CHECK-NEXT: occupancy: 10
104; CHECK-NEXT: body:
105define void @function() {
106  ret void
107}
108
109; CHECK-LABEL: {{^}}name: function_nsz
110; CHECK: machineFunctionInfo:
111; CHECK-NEXT: explicitKernArgSize: 0
112; CHECK-NEXT: maxKernArgAlign: 1
113; CHECK-NEXT: ldsSize: 0
114; CHECK-NEXT: dynLDSAlign: 1
115; CHECK-NEXT: isEntryFunction: false
116; CHECK-NEXT: noSignedZerosFPMath: true
117; CHECK-NEXT: memoryBound: false
118; CHECK-NEXT: waveLimiter: false
119; CHECK-NEXT: hasSpilledSGPRs: false
120; CHECK-NEXT: hasSpilledVGPRs: false
121; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
122; CHECK-NEXT: frameOffsetReg: '$sgpr33'
123; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
124; CHECK-NEXT: argumentInfo:
125; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
126; CHECK-NEXT: mode:
127; CHECK-NEXT: ieee: true
128; CHECK-NEXT: dx10-clamp: true
129; CHECK-NEXT: fp32-input-denormals: true
130; CHECK-NEXT: fp32-output-denormals: true
131; CHECK-NEXT: fp64-fp16-input-denormals: true
132; CHECK-NEXT: fp64-fp16-output-denormals: true
133; CHECK-NEXT: highBitsOf32BitAddress: 0
134; CHECK-NEXT: occupancy: 10
135; CHECK-NEXT: body:
136define void @function_nsz() #0 {
137  ret void
138}
139
140; CHECK-LABEL: {{^}}name: function_dx10_clamp_off
141; CHECK: mode:
142; CHECK-NEXT: ieee: true
143; CHECK-NEXT: dx10-clamp: false
144; CHECK-NEXT: fp32-input-denormals: true
145; CHECK-NEXT: fp32-output-denormals: true
146; CHECK-NEXT: fp64-fp16-input-denormals: true
147; CHECK-NEXT: fp64-fp16-output-denormals: true
148define void @function_dx10_clamp_off() #1 {
149  ret void
150}
151
152; CHECK-LABEL: {{^}}name: function_ieee_off
153; CHECK: mode:
154; CHECK-NEXT: ieee: false
155; CHECK-NEXT: dx10-clamp: true
156; CHECK-NEXT: fp32-input-denormals: true
157; CHECK-NEXT: fp32-output-denormals: true
158; CHECK-NEXT: fp64-fp16-input-denormals: true
159; CHECK-NEXT: fp64-fp16-output-denormals: true
160define void @function_ieee_off() #2 {
161  ret void
162}
163
164; CHECK-LABEL: {{^}}name: function_ieee_off_dx10_clamp_off
165; CHECK: mode:
166; CHECK-NEXT: ieee: false
167; CHECK-NEXT: dx10-clamp: false
168; CHECK-NEXT: fp32-input-denormals: true
169; CHECK-NEXT: fp32-output-denormals: true
170; CHECK-NEXT: fp64-fp16-input-denormals: true
171; CHECK-NEXT: fp64-fp16-output-denormals: true
172define void @function_ieee_off_dx10_clamp_off() #3 {
173  ret void
174}
175
176; CHECK-LABEL: {{^}}name: high_address_bits
177; CHECK: machineFunctionInfo:
178; CHECK: highBitsOf32BitAddress: 4294934528
179define amdgpu_ps void @high_address_bits() #4 {
180  ret void
181}
182
183attributes #0 = { "no-signed-zeros-fp-math" = "true" }
184attributes #1 = { "amdgpu-dx10-clamp" = "false" }
185attributes #2 = { "amdgpu-ieee" = "false" }
186attributes #3 = { "amdgpu-dx10-clamp" = "false" "amdgpu-ieee" = "false" }
187attributes #4 = { "amdgpu-32bit-address-high-bits"="0xffff8000" }
188