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: 0
14; CHECK-NEXT: isEntryFunction: true
15; CHECK-NEXT: noSignedZerosFPMath: false
16; CHECK-NEXT: memoryBound: false
17; CHECK-NEXT: waveLimiter: false
18; CHECK-NEXT: scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
19; CHECK-NEXT: scratchWaveOffsetReg: '$sgpr101'
20; CHECK-NEXT: frameOffsetReg:  '$sgpr101'
21; CHECK-NEXT: stackPtrOffsetReg: '$sgpr101'
22; CHECK-NEXT: argumentInfo:
23; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
24; CHECK-NEXT: kernargSegmentPtr: { reg: '$sgpr4_sgpr5' }
25; CHECK-NEXT: workGroupIDX: { reg: '$sgpr6' }
26; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr7' }
27; CHECK-NEXT: workItemIDX: { reg: '$vgpr0' }
28; CHECK-NEXT: mode:
29; CHECK-NEXT: ieee: true
30; CHECK-NEXT: dx10-clamp: true
31; CHECK-NEXT: fp32-input-denormals: false
32; CHECK-NEXT: fp32-output-denormals: false
33; CHECK-NEXT: fp64-fp16-input-denormals: true
34; CHECK-NEXT: fp64-fp16-output-denormals: true
35; CHECK-NEXT: highBitsOf32BitAddress: 0
36; CHECK-NEXT: body:
37define amdgpu_kernel void @kernel(i32 %arg0, i64 %arg1, <16 x i32> %arg2) {
38  %gep = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 %arg0
39  store float 0.0, float addrspace(3)* %gep, align 4
40  ret void
41}
42
43; CHECK-LABEL: {{^}}name: ps_shader
44; CHECK: machineFunctionInfo:
45; CHECK-NEXT: explicitKernArgSize: 0
46; CHECK-NEXT: maxKernArgAlign: 1
47; CHECK-NEXT: ldsSize: 0
48; CHECK-NEXT: isEntryFunction: true
49; CHECK-NEXT: noSignedZerosFPMath: false
50; CHECK-NEXT: memoryBound: false
51; CHECK-NEXT: waveLimiter: false
52; CHECK-NEXT: scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
53; CHECK-NEXT: scratchWaveOffsetReg: '$sgpr101'
54; CHECK-NEXT: frameOffsetReg:  '$sgpr101'
55; CHECK-NEXT: stackPtrOffsetReg: '$sgpr101'
56; CHECK-NEXT: argumentInfo:
57; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr3' }
58; CHECK-NEXT: implicitBufferPtr: { reg: '$sgpr0_sgpr1' }
59; CHECK-NEXT: mode:
60; CHECK-NEXT: ieee: false
61; CHECK-NEXT: dx10-clamp: true
62; CHECK-NEXT: fp32-input-denormals: false
63; CHECK-NEXT: fp32-output-denormals: false
64; CHECK-NEXT: fp64-fp16-input-denormals: true
65; CHECK-NEXT: fp64-fp16-output-denormals: true
66; CHECK-NEXT: highBitsOf32BitAddress: 0
67; CHECK-NEXT: body:
68define amdgpu_ps void @ps_shader(i32 %arg0, i32 inreg %arg1) {
69  ret void
70}
71
72; CHECK-LABEL: {{^}}name: function
73; CHECK: machineFunctionInfo:
74; CHECK-NEXT: explicitKernArgSize: 0
75; CHECK-NEXT: maxKernArgAlign: 1
76; CHECK-NEXT: ldsSize: 0
77; CHECK-NEXT: isEntryFunction: false
78; CHECK-NEXT: noSignedZerosFPMath: false
79; CHECK-NEXT: memoryBound: false
80; CHECK-NEXT: waveLimiter: false
81; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
82; CHECK-NEXT: scratchWaveOffsetReg: '$sgpr33'
83; CHECK-NEXT: frameOffsetReg: '$sgpr34'
84; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
85; CHECK-NEXT: argumentInfo:
86; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
87; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr33' }
88; CHECK-NEXT: mode:
89; CHECK-NEXT: ieee: true
90; CHECK-NEXT: dx10-clamp: true
91; CHECK-NEXT: fp32-input-denormals: false
92; CHECK-NEXT: fp32-output-denormals: false
93; CHECK-NEXT: fp64-fp16-input-denormals: true
94; CHECK-NEXT: fp64-fp16-output-denormals: true
95; CHECK-NEXT: highBitsOf32BitAddress: 0
96; CHECK-NEXT: body:
97define void @function() {
98  ret void
99}
100
101; CHECK-LABEL: {{^}}name: function_nsz
102; CHECK: machineFunctionInfo:
103; CHECK-NEXT: explicitKernArgSize: 0
104; CHECK-NEXT: maxKernArgAlign: 1
105; CHECK-NEXT: ldsSize: 0
106; CHECK-NEXT: isEntryFunction: false
107; CHECK-NEXT: noSignedZerosFPMath: true
108; CHECK-NEXT: memoryBound: false
109; CHECK-NEXT: waveLimiter: false
110; CHECK-NEXT: scratchRSrcReg: '$sgpr0_sgpr1_sgpr2_sgpr3'
111; CHECK-NEXT: scratchWaveOffsetReg: '$sgpr33'
112; CHECK-NEXT: frameOffsetReg: '$sgpr34'
113; CHECK-NEXT: stackPtrOffsetReg: '$sgpr32'
114; CHECK-NEXT: argumentInfo:
115; CHECK-NEXT: privateSegmentBuffer: { reg: '$sgpr0_sgpr1_sgpr2_sgpr3' }
116; CHECK-NEXT: privateSegmentWaveByteOffset: { reg: '$sgpr33' }
117; CHECK-NEXT: mode:
118; CHECK-NEXT: ieee: true
119; CHECK-NEXT: dx10-clamp: true
120; CHECK-NEXT: fp32-input-denormals: false
121; CHECK-NEXT: fp32-output-denormals: false
122; CHECK-NEXT: fp64-fp16-input-denormals: true
123; CHECK-NEXT: fp64-fp16-output-denormals: true
124; CHECK-NEXT: highBitsOf32BitAddress: 0
125; CHECK-NEXT: body:
126define void @function_nsz() #0 {
127  ret void
128}
129
130; CHECK-LABEL: {{^}}name: function_dx10_clamp_off
131; CHECK: mode:
132; CHECK-NEXT: ieee: true
133; CHECK-NEXT: dx10-clamp: false
134; CHECK-NEXT: fp32-input-denormals: false
135; CHECK-NEXT: fp32-output-denormals: false
136; CHECK-NEXT: fp64-fp16-input-denormals: true
137; CHECK-NEXT: fp64-fp16-output-denormals: true
138define void @function_dx10_clamp_off() #1 {
139  ret void
140}
141
142; CHECK-LABEL: {{^}}name: function_ieee_off
143; CHECK: mode:
144; CHECK-NEXT: ieee: false
145; CHECK-NEXT: dx10-clamp: true
146; CHECK-NEXT: fp32-input-denormals: false
147; CHECK-NEXT: fp32-output-denormals: false
148; CHECK-NEXT: fp64-fp16-input-denormals: true
149; CHECK-NEXT: fp64-fp16-output-denormals: true
150define void @function_ieee_off() #2 {
151  ret void
152}
153
154; CHECK-LABEL: {{^}}name: function_ieee_off_dx10_clamp_off
155; CHECK: mode:
156; CHECK-NEXT: ieee: false
157; CHECK-NEXT: dx10-clamp: false
158; CHECK-NEXT: fp32-input-denormals: false
159; CHECK-NEXT: fp32-output-denormals: false
160; CHECK-NEXT: fp64-fp16-input-denormals: true
161; CHECK-NEXT: fp64-fp16-output-denormals: true
162define void @function_ieee_off_dx10_clamp_off() #3 {
163  ret void
164}
165
166; CHECK-LABEL: {{^}}name: high_address_bits
167; CHECK: machineFunctionInfo:
168; CHECK: highBitsOf32BitAddress: 4294934528
169define amdgpu_ps void @high_address_bits() #4 {
170  ret void
171}
172
173attributes #0 = { "no-signed-zeros-fp-math" = "true" }
174attributes #1 = { "amdgpu-dx10-clamp" = "false" }
175attributes #2 = { "amdgpu-ieee" = "false" }
176attributes #3 = { "amdgpu-dx10-clamp" = "false" "amdgpu-ieee" = "false" }
177attributes #4 = { "amdgpu-32bit-address-high-bits"="0xffff8000" }
178