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1; RUN: llc -march=amdgcn -mcpu=SI -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA -check-prefix=SI %s
2; RUN: llc -march=amdgcn -mcpu=SI -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-PROMOTE -check-prefix=SI %s
3; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-ALLOCA -check-prefix=SI %s
4; RUN: llc -march=amdgcn -mcpu=tonga -mattr=+promote-alloca -verify-machineinstrs < %s | FileCheck -check-prefix=SI-PROMOTE -check-prefix=SI %s
5
6
7declare void @llvm.AMDGPU.barrier.local() noduplicate nounwind
8
9; SI-LABEL: {{^}}private_access_f64_alloca:
10
11; SI-ALLOCA: buffer_store_dwordx2
12; SI-ALLOCA: buffer_load_dwordx2
13
14; SI-PROMOTE: ds_write_b64
15; SI-PROMOTE: ds_read_b64
16define void @private_access_f64_alloca(double addrspace(1)* noalias %out, double addrspace(1)* noalias %in, i32 %b) nounwind {
17  %val = load double, double addrspace(1)* %in, align 8
18  %array = alloca double, i32 16, align 8
19  %ptr = getelementptr double, double* %array, i32 %b
20  store double %val, double* %ptr, align 8
21  call void @llvm.AMDGPU.barrier.local() noduplicate nounwind
22  %result = load double, double* %ptr, align 8
23  store double %result, double addrspace(1)* %out, align 8
24  ret void
25}
26
27; SI-LABEL: {{^}}private_access_v2f64_alloca:
28
29; SI-ALLOCA: buffer_store_dwordx4
30; SI-ALLOCA: buffer_load_dwordx4
31
32; SI-PROMOTE: ds_write_b32
33; SI-PROMOTE: ds_write_b32
34; SI-PROMOTE: ds_write_b32
35; SI-PROMOTE: ds_write_b32
36; SI-PROMOTE: ds_read_b32
37; SI-PROMOTE: ds_read_b32
38; SI-PROMOTE: ds_read_b32
39; SI-PROMOTE: ds_read_b32
40define void @private_access_v2f64_alloca(<2 x double> addrspace(1)* noalias %out, <2 x double> addrspace(1)* noalias %in, i32 %b) nounwind {
41  %val = load <2 x double>, <2 x double> addrspace(1)* %in, align 16
42  %array = alloca <2 x double>, i32 16, align 16
43  %ptr = getelementptr <2 x double>, <2 x double>* %array, i32 %b
44  store <2 x double> %val, <2 x double>* %ptr, align 16
45  call void @llvm.AMDGPU.barrier.local() noduplicate nounwind
46  %result = load <2 x double>, <2 x double>* %ptr, align 16
47  store <2 x double> %result, <2 x double> addrspace(1)* %out, align 16
48  ret void
49}
50
51; SI-LABEL: {{^}}private_access_i64_alloca:
52
53; SI-ALLOCA: buffer_store_dwordx2
54; SI-ALLOCA: buffer_load_dwordx2
55
56; SI-PROMOTE: ds_write_b64
57; SI-PROMOTE: ds_read_b64
58define void @private_access_i64_alloca(i64 addrspace(1)* noalias %out, i64 addrspace(1)* noalias %in, i32 %b) nounwind {
59  %val = load i64, i64 addrspace(1)* %in, align 8
60  %array = alloca i64, i32 16, align 8
61  %ptr = getelementptr i64, i64* %array, i32 %b
62  store i64 %val, i64* %ptr, align 8
63  call void @llvm.AMDGPU.barrier.local() noduplicate nounwind
64  %result = load i64, i64* %ptr, align 8
65  store i64 %result, i64 addrspace(1)* %out, align 8
66  ret void
67}
68
69; SI-LABEL: {{^}}private_access_v2i64_alloca:
70
71; SI-ALLOCA: buffer_store_dwordx4
72; SI-ALLOCA: buffer_load_dwordx4
73
74; SI-PROMOTE: ds_write_b32
75; SI-PROMOTE: ds_write_b32
76; SI-PROMOTE: ds_write_b32
77; SI-PROMOTE: ds_write_b32
78; SI-PROMOTE: ds_read_b32
79; SI-PROMOTE: ds_read_b32
80; SI-PROMOTE: ds_read_b32
81; SI-PROMOTE: ds_read_b32
82define void @private_access_v2i64_alloca(<2 x i64> addrspace(1)* noalias %out, <2 x i64> addrspace(1)* noalias %in, i32 %b) nounwind {
83  %val = load <2 x i64>, <2 x i64> addrspace(1)* %in, align 16
84  %array = alloca <2 x i64>, i32 16, align 16
85  %ptr = getelementptr <2 x i64>, <2 x i64>* %array, i32 %b
86  store <2 x i64> %val, <2 x i64>* %ptr, align 16
87  call void @llvm.AMDGPU.barrier.local() noduplicate nounwind
88  %result = load <2 x i64>, <2 x i64>* %ptr, align 16
89  store <2 x i64> %result, <2 x i64> addrspace(1)* %out, align 16
90  ret void
91}
92