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gerrit-public.fairphone.software / toolchain / llvm-project / 0699ef39ce8498ea6ee625babfefabd3f648776a / . / llvm / test / CodeGen / AMDGPU / lower-mem-intrinsics.ll
blob: d5cd10e85187b5f95bc4f5e7ab0c0183d6b2b1cd [file] [log] [blame]
Matt Arsenault0699ef32017-02-09 22:00:42 +0000[diff] [blame^]1; RUN: opt -S -amdgpu-lower-intrinsics %s | FileCheck -check-prefix=OPT %s
2
3declare void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace(1)* nocapture readonly, i64, i32, i1) #1
4declare void @llvm.memcpy.p1i8.p3i8.i32(i8 addrspace(1)* nocapture, i8 addrspace(3)* nocapture readonly, i32, i32, i1) #1
5
6declare void @llvm.memmove.p1i8.p1i8.i64(i8 addrspace(1)* nocapture, i8 addrspace(1)* nocapture readonly, i64, i32, i1) #1
7declare void @llvm.memset.p1i8.i64(i8 addrspace(1)* nocapture, i8, i64, i32, i1) #1
8
9; Test the upper bound for sizes to leave
10; OPT-LABEL: @max_size_small_static_memcpy_caller0(
11; OPT: call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1024, i32 1, i1 false)
12define void @max_size_small_static_memcpy_caller0(i8 addrspace(1)* %dst, i8 addrspace(1)* %src) #0 {
13 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1024, i32 1, i1 false)
14 ret void
15}
16
17; Smallest static size which will be expanded
18; OPT-LABEL: @min_size_large_static_memcpy_caller0(
19; OPT-NOT: call
20; OPT: getelementptr
21; OPT-NEXT: load i8
22; OPT: getelementptr
23; OPT-NEXT: store i8
24define void @min_size_large_static_memcpy_caller0(i8 addrspace(1)* %dst, i8 addrspace(1)* %src) #0 {
25 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1025, i32 1, i1 false)
26 ret void
27}
28
29; OPT-LABEL: @max_size_small_static_memmove_caller0(
30; OPT: call void @llvm.memmove.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1024, i32 1, i1 false)
31define void @max_size_small_static_memmove_caller0(i8 addrspace(1)* %dst, i8 addrspace(1)* %src) #0 {
32 call void @llvm.memmove.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1024, i32 1, i1 false)
33 ret void
34}
35
36; OPT-LABEL: @min_size_large_static_memmove_caller0(
37; OPT-NOT: call
38; OPT: getelementptr
39; OPT-NEXT: load i8
40; OPT: getelementptr
41; OPT-NEXT: store i8
42define void @min_size_large_static_memmove_caller0(i8 addrspace(1)* %dst, i8 addrspace(1)* %src) #0 {
43 call void @llvm.memmove.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 1025, i32 1, i1 false)
44 ret void
45}
46
47; OPT-LABEL: @max_size_small_static_memset_caller0(
48; OPT: call void @llvm.memset.p1i8.i64(i8 addrspace(1)* %dst, i8 %val, i64 1024, i32 1, i1 false)
49define void @max_size_small_static_memset_caller0(i8 addrspace(1)* %dst, i8 %val) #0 {
50 call void @llvm.memset.p1i8.i64(i8 addrspace(1)* %dst, i8 %val, i64 1024, i32 1, i1 false)
51 ret void
52}
53
54; OPT-LABEL: @min_size_large_static_memset_caller0(
55; OPT-NOT: call
56; OPT: getelementptr
57; OPT: store i8
58define void @min_size_large_static_memset_caller0(i8 addrspace(1)* %dst, i8 %val) #0 {
59 call void @llvm.memset.p1i8.i64(i8 addrspace(1)* %dst, i8 %val, i64 1025, i32 1, i1 false)
60 ret void
61}
62
63; OPT-LABEL: @variable_memcpy_caller0(
64; OPT-NOT: call
65; OPT: phi
66define void @variable_memcpy_caller0(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 %n) #0 {
67 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 %n, i32 1, i1 false)
68 ret void
69}
70
71; OPT-LABEL: @variable_memcpy_caller1(
72; OPT-NOT: call
73; OPT: phi
74define void @variable_memcpy_caller1(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 %n) #0 {
75 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst, i8 addrspace(1)* %src, i64 %n, i32 1, i1 false)
76 ret void
77}
78
79; OPT-LABEL: @memcpy_multi_use_one_function(
80; OPT-NOT: call
81; OPT: phi
82; OPT-NOT: call
83; OPT: phi
84; OPT-NOT: call
85define void @memcpy_multi_use_one_function(i8 addrspace(1)* %dst0, i8 addrspace(1)* %dst1, i8 addrspace(1)* %src, i64 %n, i64 %m) #0 {
86 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst0, i8 addrspace(1)* %src, i64 %n, i32 1, i1 false)
87 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst1, i8 addrspace(1)* %src, i64 %m, i32 1, i1 false)
88 ret void
89}
90
91; OPT-LABEL: @memcpy_alt_type(
92; OPT: phi
93; OPT: getelementptr inbounds i8, i8 addrspace(3)*
94; OPT: load i8, i8 addrspace(3)*
95; OPT: getelementptr inbounds i8, i8 addrspace(1)*
96; OPT: store i8
97define void @memcpy_alt_type(i8 addrspace(1)* %dst, i8 addrspace(3)* %src, i32 %n) #0 {
98 call void @llvm.memcpy.p1i8.p3i8.i32(i8 addrspace(1)* %dst, i8 addrspace(3)* %src, i32 %n, i32 1, i1 false)
99 ret void
100}
101
102; One of the uses in the function should be expanded, the other left alone.
103; OPT-LABEL: @memcpy_multi_use_one_function_keep_small(
104; OPT: getelementptr inbounds i8, i8 addrspace(1)*
105; OPT: load i8, i8 addrspace(1)*
106; OPT: getelementptr inbounds i8, i8 addrspace(1)*
107; OPT: store i8
108
109; OPT: call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst1, i8 addrspace(1)* %src, i64 102, i32 1, i1 false)
110define void @memcpy_multi_use_one_function_keep_small(i8 addrspace(1)* %dst0, i8 addrspace(1)* %dst1, i8 addrspace(1)* %src, i64 %n) #0 {
111 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst0, i8 addrspace(1)* %src, i64 %n, i32 1, i1 false)
112 call void @llvm.memcpy.p1i8.p1i8.i64(i8 addrspace(1)* %dst1, i8 addrspace(1)* %src, i64 102, i32 1, i1 false)
113 ret void
114}
115
116attributes #0 = { nounwind }
117attributes #1 = { argmemonly nounwind }