1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-globals
2; RUN: opt -S -passes=openmp-opt < %s | FileCheck %s
3; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -pass-remarks-missed=openmp-opt -disable-output < %s 2>&1 | FileCheck %s -check-prefix=CHECK-REMARKS
4; RUN: opt -openmp-opt-disable-deglobalization -S -passes=openmp-opt < %s | FileCheck %s --check-prefix=CHECK-DISABLED
5target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
6target triple = "nvptx64"
7
8; CHECK-REMARKS: remark: remove_globalization.c:4:2: Could not move globalized variable to the stack. Variable is potentially captured in call. Mark parameter as `__attribute__((noescape))` to override.
9; CHECK-REMARKS: remark: remove_globalization.c:2:2: Moving globalized variable to the stack.
10; CHECK-REMARKS: remark: remove_globalization.c:6:2: Moving globalized variable to the stack.
11; CHECK-REMARKS: remark: remove_globalization.c:4:2: Found thread data sharing on the GPU. Expect degraded performance due to data globalization.
12
13@S = external local_unnamed_addr global i8*
14
15%struct.ident_t = type { i32, i32, i32, i32, i8* }
16
17declare i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1)
18declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1)
19
20;.
21; CHECK: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
22;.
23; CHECK-DISABLED: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
24;.
25define void @kernel() {
26; CHECK-LABEL: define {{[^@]+}}@kernel() {
27; CHECK-NEXT:  entry:
28; CHECK-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 false, i1 true)
29; CHECK-NEXT:    call void @foo() #[[ATTR4:[0-9]+]]
30; CHECK-NEXT:    call void @bar() #[[ATTR4]]
31; CHECK-NEXT:    call void @unknown_no_openmp()
32; CHECK-NEXT:    call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
33; CHECK-NEXT:    ret void
34;
35; CHECK-DISABLED-LABEL: define {{[^@]+}}@kernel() {
36; CHECK-DISABLED-NEXT:  entry:
37; CHECK-DISABLED-NEXT:    [[TMP0:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 false, i1 true)
38; CHECK-DISABLED-NEXT:    call void @foo() #[[ATTR4:[0-9]+]]
39; CHECK-DISABLED-NEXT:    call void @bar() #[[ATTR4]]
40; CHECK-DISABLED-NEXT:    call void @unknown_no_openmp()
41; CHECK-DISABLED-NEXT:    call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
42; CHECK-DISABLED-NEXT:    ret void
43;
44entry:
45  %0 = call i32 @__kmpc_target_init(%struct.ident_t* nonnull null, i8 1, i1 true, i1 true)
46  call void @foo()
47  call void @bar()
48  call void @unknown_no_openmp()
49  call void @__kmpc_target_deinit(%struct.ident_t* nonnull null, i8 1, i1 true)
50  ret void
51}
52
53define internal void @foo() {
54; CHECK-LABEL: define {{[^@]+}}@foo
55; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
56; CHECK-NEXT:  entry:
57; CHECK-NEXT:    [[TMP0:%.*]] = alloca i8, i64 4, align 1
58; CHECK-NEXT:    ret void
59;
60; CHECK-DISABLED-LABEL: define {{[^@]+}}@foo
61; CHECK-DISABLED-SAME: () #[[ATTR0:[0-9]+]] {
62; CHECK-DISABLED-NEXT:  entry:
63; CHECK-DISABLED-NEXT:    [[TMP0:%.*]] = alloca i8, i64 4, align 1
64; CHECK-DISABLED-NEXT:    ret void
65;
66entry:
67  %0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !12
68  call void @use(i8* %0)
69  call void @__kmpc_free_shared(i8* %0, i64 4)
70  ret void
71}
72
73define internal void @bar() {
74; CHECK-LABEL: define {{[^@]+}}@bar
75; CHECK-SAME: () #[[ATTR0]] {
76; CHECK-NEXT:  entry:
77; CHECK-NEXT:    [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 noundef 4) #[[ATTR4]], !dbg [[DBG8:![0-9]+]]
78; CHECK-NEXT:    call void @share(i8* nofree writeonly [[TMP0]]) #[[ATTR5:[0-9]+]]
79; CHECK-NEXT:    call void @__kmpc_free_shared(i8* [[TMP0]], i64 noundef 4) #[[ATTR4]]
80; CHECK-NEXT:    ret void
81;
82; CHECK-DISABLED-LABEL: define {{[^@]+}}@bar
83; CHECK-DISABLED-SAME: () #[[ATTR0]] {
84; CHECK-DISABLED-NEXT:  entry:
85; CHECK-DISABLED-NEXT:    [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 noundef 4) #[[ATTR4]], !dbg [[DBG8:![0-9]+]]
86; CHECK-DISABLED-NEXT:    call void @share(i8* nofree writeonly [[TMP0]]) #[[ATTR5:[0-9]+]]
87; CHECK-DISABLED-NEXT:    call void @__kmpc_free_shared(i8* [[TMP0]], i64 noundef 4) #[[ATTR4]]
88; CHECK-DISABLED-NEXT:    ret void
89;
90entry:
91  %0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !13
92  call void @share(i8* %0)
93  call void @__kmpc_free_shared(i8* %0, i64 4)
94  ret void
95}
96
97define internal void @use(i8* %x) {
98; CHECK-LABEL: define {{[^@]+}}@use
99; CHECK-SAME: (i8* noalias nocapture nofree readnone [[X:%.*]]) #[[ATTR1:[0-9]+]] {
100; CHECK-NEXT:  entry:
101; CHECK-NEXT:    ret void
102;
103; CHECK-DISABLED-LABEL: define {{[^@]+}}@use
104; CHECK-DISABLED-SAME: (i8* noalias nocapture nofree readnone [[X:%.*]]) #[[ATTR1:[0-9]+]] {
105; CHECK-DISABLED-NEXT:  entry:
106; CHECK-DISABLED-NEXT:    ret void
107;
108entry:
109  ret void
110}
111
112define internal void @share(i8* %x) {
113; CHECK-LABEL: define {{[^@]+}}@share
114; CHECK-SAME: (i8* nofree writeonly [[X:%.*]]) #[[ATTR2:[0-9]+]] {
115; CHECK-NEXT:  entry:
116; CHECK-NEXT:    store i8* [[X]], i8** @S, align 8
117; CHECK-NEXT:    ret void
118;
119; CHECK-DISABLED-LABEL: define {{[^@]+}}@share
120; CHECK-DISABLED-SAME: (i8* nofree writeonly [[X:%.*]]) #[[ATTR2:[0-9]+]] {
121; CHECK-DISABLED-NEXT:  entry:
122; CHECK-DISABLED-NEXT:    store i8* [[X]], i8** @S, align 8
123; CHECK-DISABLED-NEXT:    ret void
124;
125entry:
126  store i8* %x, i8** @S
127  ret void
128}
129
130define void @unused() {
131; CHECK-LABEL: define {{[^@]+}}@unused() {
132; CHECK-NEXT:  entry:
133; CHECK-NEXT:    [[TMP0:%.*]] = alloca i8, i64 4, align 1
134; CHECK-NEXT:    call void @use(i8* noalias readnone undef)
135; CHECK-NEXT:    ret void
136;
137; CHECK-DISABLED-LABEL: define {{[^@]+}}@unused() {
138; CHECK-DISABLED-NEXT:  entry:
139; CHECK-DISABLED-NEXT:    [[TMP0:%.*]] = call i8* @__kmpc_alloc_shared(i64 4), !dbg [[DBG11:![0-9]+]]
140; CHECK-DISABLED-NEXT:    call void @use(i8* noalias readnone [[TMP0]])
141; CHECK-DISABLED-NEXT:    call void @__kmpc_free_shared(i8* [[TMP0]], i64 4)
142; CHECK-DISABLED-NEXT:    ret void
143;
144entry:
145  %0 = call i8* @__kmpc_alloc_shared(i64 4), !dbg !14
146  call void @use(i8* %0)
147  call void @__kmpc_free_shared(i8* %0, i64 4)
148  ret void
149}
150
151; CHECK: declare i8* @__kmpc_alloc_shared(i64)
152declare i8* @__kmpc_alloc_shared(i64)
153
154; CHECK: declare void @__kmpc_free_shared(i8* nocapture, i64)
155declare void @__kmpc_free_shared(i8*, i64)
156
157declare void @unknown_no_openmp() "llvm.assume"="omp_no_openmp"
158
159!llvm.dbg.cu = !{!0}
160!llvm.module.flags = !{!3, !4, !6, !7}
161!nvvm.annotations = !{!5}
162
163!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
164!1 = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
165!2 = !{}
166!3 = !{i32 2, !"Debug Info Version", i32 3}
167!4 = !{i32 1, !"wchar_size", i32 4}
168!5 = !{void ()* @kernel, !"kernel", i32 1}
169!6 = !{i32 7, !"openmp", i32 50}
170!7 = !{i32 7, !"openmp-device", i32 50}
171!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
172!9 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
173!10 = distinct !DISubprogram(name: "unused", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
174!11 = !DISubroutineType(types: !2)
175!12 = !DILocation(line: 2, column: 2, scope: !8)
176!13 = !DILocation(line: 4, column: 2, scope: !9)
177!14 = !DILocation(line: 6, column: 2, scope: !9)
178;.
179; CHECK: attributes #[[ATTR0]] = { nosync nounwind }
180; CHECK: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
181; CHECK: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn writeonly }
182; CHECK: attributes #[[ATTR3:[0-9]+]] = { "llvm.assume"="omp_no_openmp" }
183; CHECK: attributes #[[ATTR4]] = { nounwind }
184; CHECK: attributes #[[ATTR5]] = { nosync nounwind writeonly }
185;.
186; CHECK-DISABLED: attributes #[[ATTR0]] = { nosync nounwind }
187; CHECK-DISABLED: attributes #[[ATTR1]] = { nofree nosync nounwind readnone willreturn }
188; CHECK-DISABLED: attributes #[[ATTR2]] = { nofree nosync nounwind willreturn writeonly }
189; CHECK-DISABLED: attributes #[[ATTR3:[0-9]+]] = { "llvm.assume"="omp_no_openmp" }
190; CHECK-DISABLED: attributes #[[ATTR4]] = { nounwind }
191; CHECK-DISABLED: attributes #[[ATTR5]] = { nosync nounwind writeonly }
192;.
193; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
194; CHECK: [[META1:![0-9]+]] = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
195; CHECK: [[META2:![0-9]+]] = !{}
196; CHECK: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
197; CHECK: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
198; CHECK: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
199; CHECK: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
200; CHECK: [[META7:![0-9]+]] = !{void ()* @kernel, !"kernel", i32 1}
201; CHECK: [[DBG8]] = !DILocation(line: 4, column: 2, scope: !9)
202; CHECK: [[META9:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
203; CHECK: [[META10:![0-9]+]] = !DISubroutineType(types: !2)
204;.
205; CHECK-DISABLED: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 13.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
206; CHECK-DISABLED: [[META1:![0-9]+]] = !DIFile(filename: "remove_globalization.c", directory: "/tmp/remove_globalization.c")
207; CHECK-DISABLED: [[META2:![0-9]+]] = !{}
208; CHECK-DISABLED: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
209; CHECK-DISABLED: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
210; CHECK-DISABLED: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
211; CHECK-DISABLED: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
212; CHECK-DISABLED: [[META7:![0-9]+]] = !{void ()* @kernel, !"kernel", i32 1}
213; CHECK-DISABLED: [[DBG8]] = !DILocation(line: 4, column: 2, scope: !9)
214; CHECK-DISABLED: [[META9:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
215; CHECK-DISABLED: [[META10:![0-9]+]] = !DISubroutineType(types: !2)
216; CHECK-DISABLED: [[DBG11]] = !DILocation(line: 6, column: 2, scope: !9)
217;.
218