1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs
2; RUN: opt -S -passes='openmp-opt' < %s | FileCheck %s
3; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -disable-output < %s 2>&1 | FileCheck %s -check-prefix=CHECK-REMARKS
4; RUN: opt -passes=openmp-opt -pass-remarks=openmp-opt -pass-remarks-missed=openmp-opt -disable-output -openmp-opt-shared-limit=4 < %s 2>&1 | FileCheck %s -check-prefix=CHECK-LIMIT
5target datalayout = "e-i64:64-i128:128-v16:16-v32:32-n16:32:64"
6target triple = "nvptx64"
7
8; UTC_ARGS: --disable
9; CHECK-REMARKS: remark: replace_globalization.c:5:7: Replaced globalized variable with 16 bytes of shared memory
10; CHECK-REMARKS: remark: replace_globalization.c:5:14: Replaced globalized variable with 4 bytes of shared memory
11; CHECK-REMARKS-NOT: 6 bytes
12; CHECK-LIMIT: remark: replace_globalization.c:5:14: Replaced globalized variable with 4 bytes of shared memory
13; CHECK-LIMIT: remark: replace_globalization.c:5:7: Found thread data sharing on the GPU. Expect degraded performance due to data globalization
14; UTC_ARGS: --enable
15
16%struct.ident_t = type { i32, i32, i32, i32, i8* }
17
18@S = external local_unnamed_addr global i8*
19@0 = private unnamed_addr constant [113 x i8] c";llvm/test/Transforms/OpenMP/custom_state_machines_remarks.c;__omp_offloading_2a_d80d3d_test_fallback_l11;11;1;;\00", align 1
20@1 = private unnamed_addr constant %struct.ident_t { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([113 x i8], [113 x i8]* @0, i32 0, i32 0) }, align 8
21
22
23define dso_local void @foo() {
24entry:
25  %c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
26  %x = call align 4 i8* @__kmpc_alloc_shared(i64 4)
27  call void @unknown_no_openmp()
28  %x_on_stack = bitcast i8* %x to i32*
29  %0 = bitcast i32* %x_on_stack to i8*
30  call void @use(i8* %0)
31  call void @__kmpc_free_shared(i8* %x, i64 4)
32  call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
33  ret void
34}
35
36define void @bar() {
37  %c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 1, i1 true, i1 true)
38  call void @unknown_no_openmp()
39  %cmp = icmp eq i32 %c, -1
40  br i1 %cmp, label %master1, label %exit
41master1:
42  %x = call align 4 i8* @__kmpc_alloc_shared(i64 16), !dbg !11
43  %x_on_stack = bitcast i8* %x to [4 x i32]*
44  %a0 = bitcast [4 x i32]* %x_on_stack to i8*
45  call void @use(i8* %a0)
46  call void @__kmpc_free_shared(i8* %x, i64 16)
47  br label %next
48next:
49  call void @unknown_no_openmp()
50  %b0 = icmp eq i32 %c, -1
51  br i1 %b0, label %master2, label %exit
52master2:
53  %y = call align 4 i8* @__kmpc_alloc_shared(i64 4), !dbg !12
54  %y_on_stack = bitcast i8* %y to [4 x i32]*
55  %b1 = bitcast [4 x i32]* %y_on_stack to i8*
56  call void @use(i8* %b1)
57  call void @__kmpc_free_shared(i8* %y, i64 4)
58  br label %exit
59exit:
60  call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 1, i1 true)
61  ret void
62}
63
64define void @baz_spmd() {
65  %c = call i32 @__kmpc_target_init(%struct.ident_t* @1, i8 2, i1 true, i1 true)
66  call void @unknown_no_openmp()
67  %c0 = icmp eq i32 %c, -1
68  br i1 %c0, label %master3, label %exit
69master3:
70  %z = call align 4 i8* @__kmpc_alloc_shared(i64 24), !dbg !12
71  %z_on_stack = bitcast i8* %z to [6 x i32]*
72  %c1 = bitcast [6 x i32]* %z_on_stack to i8*
73  call void @use(i8* %c1)
74  call void @__kmpc_free_shared(i8* %z, i64 24)
75  br label %exit
76exit:
77  call void @__kmpc_target_deinit(%struct.ident_t* @1, i8 2, i1 true)
78  ret void
79}
80
81define void @use(i8* %x) {
82entry:
83  store i8* %x, i8** @S
84  ret void
85}
86
87@offset =global i32 undef
88@stack = internal addrspace(3) global [1024 x i8] undef
89define private i8* @__kmpc_alloc_shared(i64) {
90  %bc = bitcast [1024 x i8] addrspace(3) * @stack to i8 addrspace(3) *
91  %ac = addrspacecast i8 addrspace(3) * %bc to i8*
92  %l = load i32, i32* @offset
93  %gep = getelementptr i8, i8* %ac, i32 %l
94  ret i8* %gep
95}
96
97declare void @__kmpc_free_shared(i8*, i64)
98
99declare i32 @llvm.nvvm.read.ptx.sreg.tid.x()
100
101declare i32 @llvm.nvvm.read.ptx.sreg.ntid.x()
102
103declare i32 @llvm.nvvm.read.ptx.sreg.warpsize()
104
105declare i32 @__kmpc_target_init(%struct.ident_t*, i8, i1, i1)
106
107declare void @__kmpc_target_deinit(%struct.ident_t*, i8, i1)
108
109declare void @unknown_no_openmp() "llvm.assume"="omp_no_openmp"
110
111!llvm.dbg.cu = !{!0}
112!llvm.module.flags = !{!3, !4, !5, !6}
113!nvvm.annotations = !{!7, !8}
114
115!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
116!1 = !DIFile(filename: "replace_globalization.c", directory: "/tmp/replace_globalization.c")
117!2 = !{}
118!3 = !{i32 2, !"Debug Info Version", i32 3}
119!4 = !{i32 1, !"wchar_size", i32 4}
120!5 = !{i32 7, !"openmp", i32 50}
121!6 = !{i32 7, !"openmp-device", i32 50}
122!7 = !{void ()* @foo, !"kernel", i32 1}
123!8 = !{void ()* @bar, !"kernel", i32 1}
124!13 = !{void ()* @baz_spmd, !"kernel", i32 1}
125!9 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !10, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
126!10 = !DISubroutineType(types: !2)
127!11 = !DILocation(line: 5, column: 7, scope: !9)
128!12 = !DILocation(line: 5, column: 14, scope: !9)
129;.
130; CHECK: @[[S:[a-zA-Z0-9_$"\\.-]+]] = external local_unnamed_addr global i8*
131; CHECK: @[[GLOB0:[0-9]+]] = private unnamed_addr constant [113 x i8] c"
132; CHECK: @[[GLOB1:[0-9]+]] = private unnamed_addr constant [[STRUCT_IDENT_T:%.*]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([113 x i8], [113 x i8]* @[[GLOB0]], i32 0, i32 0) }, align 8
133; CHECK: @[[OFFSET:[a-zA-Z0-9_$"\\.-]+]] = global i32 undef
134; CHECK: @[[STACK:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [1024 x i8] undef
135; CHECK: @[[X_SHARED:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [16 x i8] undef, align 4
136; CHECK: @[[Y_SHARED:[a-zA-Z0-9_$"\\.-]+]] = internal addrspace(3) global [4 x i8] undef, align 4
137;.
138; CHECK-LABEL: define {{[^@]+}}@foo() {
139; CHECK-NEXT:  entry:
140; CHECK-NEXT:    [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
141; CHECK-NEXT:    [[X:%.*]] = call align 4 i8* @__kmpc_alloc_shared(i64 4) #[[ATTR6:[0-9]+]]
142; CHECK-NEXT:    call void @unknown_no_openmp() #[[ATTR5:[0-9]+]]
143; CHECK-NEXT:    [[X_ON_STACK:%.*]] = bitcast i8* [[X]] to i32*
144; CHECK-NEXT:    [[TMP0:%.*]] = bitcast i32* [[X_ON_STACK]] to i8*
145; CHECK-NEXT:    call void @use.internalized(i8* nofree [[TMP0]]) #[[ATTR7:[0-9]+]]
146; CHECK-NEXT:    call void @__kmpc_free_shared(i8* [[X]], i64 4) #[[ATTR8:[0-9]+]]
147; CHECK-NEXT:    call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
148; CHECK-NEXT:    ret void
149;
150;
151; CHECK-LABEL: define {{[^@]+}}@bar() {
152; CHECK-NEXT:    [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 1, i1 false, i1 true)
153; CHECK-NEXT:    call void @unknown_no_openmp() #[[ATTR5]]
154; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i32 [[C]], -1
155; CHECK-NEXT:    br i1 [[CMP]], label [[MASTER1:%.*]], label [[EXIT:%.*]]
156; CHECK:       master1:
157; CHECK-NEXT:    [[X_ON_STACK:%.*]] = bitcast i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([16 x i8], [16 x i8] addrspace(3)* @x_shared, i32 0, i32 0) to i8*) to [4 x i32]*
158; CHECK-NEXT:    [[A0:%.*]] = bitcast [4 x i32]* [[X_ON_STACK]] to i8*
159; CHECK-NEXT:    call void @use.internalized(i8* nofree [[A0]]) #[[ATTR7]]
160; CHECK-NEXT:    br label [[NEXT:%.*]]
161; CHECK:       next:
162; CHECK-NEXT:    call void @unknown_no_openmp() #[[ATTR5]]
163; CHECK-NEXT:    br label [[MASTER2:%.*]]
164; CHECK:       master2:
165; CHECK-NEXT:    [[Y_ON_STACK:%.*]] = bitcast i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([4 x i8], [4 x i8] addrspace(3)* @y_shared, i32 0, i32 0) to i8*) to [4 x i32]*
166; CHECK-NEXT:    [[B1:%.*]] = bitcast [4 x i32]* [[Y_ON_STACK]] to i8*
167; CHECK-NEXT:    call void @use.internalized(i8* nofree [[B1]]) #[[ATTR7]]
168; CHECK-NEXT:    br label [[EXIT]]
169; CHECK:       exit:
170; CHECK-NEXT:    call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 1, i1 true)
171; CHECK-NEXT:    ret void
172;
173;
174; CHECK-LABEL: define {{[^@]+}}@baz_spmd() {
175; CHECK-NEXT:    [[C:%.*]] = call i32 @__kmpc_target_init(%struct.ident_t* @[[GLOB1]], i8 2, i1 true, i1 true)
176; CHECK-NEXT:    call void @unknown_no_openmp() #[[ATTR5]]
177; CHECK-NEXT:    [[C0:%.*]] = icmp eq i32 [[C]], -1
178; CHECK-NEXT:    br i1 [[C0]], label [[MASTER3:%.*]], label [[EXIT:%.*]]
179; CHECK:       master3:
180; CHECK-NEXT:    [[Z:%.*]] = call align 4 i8* @__kmpc_alloc_shared(i64 24) #[[ATTR6]], !dbg [[DBG9:![0-9]+]]
181; CHECK-NEXT:    [[Z_ON_STACK:%.*]] = bitcast i8* [[Z]] to [6 x i32]*
182; CHECK-NEXT:    [[C1:%.*]] = bitcast [6 x i32]* [[Z_ON_STACK]] to i8*
183; CHECK-NEXT:    call void @use.internalized(i8* nofree [[C1]]) #[[ATTR7]]
184; CHECK-NEXT:    call void @__kmpc_free_shared(i8* [[Z]], i64 24) #[[ATTR8]]
185; CHECK-NEXT:    br label [[EXIT]]
186; CHECK:       exit:
187; CHECK-NEXT:    call void @__kmpc_target_deinit(%struct.ident_t* @[[GLOB1]], i8 2, i1 true)
188; CHECK-NEXT:    ret void
189;
190;
191; CHECK: Function Attrs: nofree nounwind writeonly
192; CHECK-LABEL: define {{[^@]+}}@use.internalized
193; CHECK-SAME: (i8* nofree [[X:%.*]]) #[[ATTR0:[0-9]+]] {
194; CHECK-NEXT:  entry:
195; CHECK-NEXT:    store i8* [[X]], i8** @S, align 8
196; CHECK-NEXT:    ret void
197;
198;
199; CHECK-LABEL: define {{[^@]+}}@use
200; CHECK-SAME: (i8* [[X:%.*]]) {
201; CHECK-NEXT:  entry:
202; CHECK-NEXT:    store i8* [[X]], i8** @S, align 8
203; CHECK-NEXT:    ret void
204;
205;
206; CHECK-LABEL: define {{[^@]+}}@__kmpc_alloc_shared
207; CHECK-SAME: (i64 [[TMP0:%.*]]) #[[ATTR1:[0-9]+]] {
208; CHECK-NEXT:    [[L:%.*]] = load i32, i32* @offset, align 4
209; CHECK-NEXT:    [[GEP:%.*]] = getelementptr i8, i8* addrspacecast (i8 addrspace(3)* getelementptr inbounds ([1024 x i8], [1024 x i8] addrspace(3)* @stack, i32 0, i32 0) to i8*), i32 [[L]]
210; CHECK-NEXT:    ret i8* [[GEP]]
211;
212;.
213; CHECK: attributes #[[ATTR0]] = { nofree nounwind writeonly }
214; CHECK: attributes #[[ATTR1]] = { nosync nounwind readonly allocsize(0) }
215; CHECK: attributes #[[ATTR2:[0-9]+]] = { nosync nounwind }
216; CHECK: attributes #[[ATTR3:[0-9]+]] = { nounwind readnone speculatable }
217; CHECK: attributes #[[ATTR4:[0-9]+]] = { nofree nosync nounwind readnone speculatable willreturn }
218; CHECK: attributes #[[ATTR5]] = { "llvm.assume"="omp_no_openmp" }
219; CHECK: attributes #[[ATTR6]] = { nounwind readonly }
220; CHECK: attributes #[[ATTR7]] = { nounwind writeonly }
221; CHECK: attributes #[[ATTR8]] = { nounwind }
222;.
223; CHECK: [[META0:![0-9]+]] = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
224; CHECK: [[META1:![0-9]+]] = !DIFile(filename: "replace_globalization.c", directory: "/tmp/replace_globalization.c")
225; CHECK: [[META2:![0-9]+]] = !{}
226; CHECK: [[META3:![0-9]+]] = !{i32 2, !"Debug Info Version", i32 3}
227; CHECK: [[META4:![0-9]+]] = !{i32 1, !"wchar_size", i32 4}
228; CHECK: [[META5:![0-9]+]] = !{i32 7, !"openmp", i32 50}
229; CHECK: [[META6:![0-9]+]] = !{i32 7, !"openmp-device", i32 50}
230; CHECK: [[META7:![0-9]+]] = !{void ()* @foo, !"kernel", i32 1}
231; CHECK: [[META8:![0-9]+]] = !{void ()* @bar, !"kernel", i32 1}
232; CHECK: [[DBG9]] = !DILocation(line: 5, column: 14, scope: !10)
233; CHECK: [[META10:![0-9]+]] = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 1, type: !11, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
234; CHECK: [[META11:![0-9]+]] = !DISubroutineType(types: !2)
235;.
236