1 ; Test remark output for stack-frame-layout
3 ; ensure basic output works
4 ; RUN: llc -mcpu=corei7 -O1 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s
6 ; check additional slots are displayed when stack is not optimized
7 ; RUN: llc -mcpu=corei7 -O0 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NO_COLORING
9 ; check more complex cases
10 ; RUN: llc %s -pass-remarks-analysis=stack-frame-layout -o /dev/null --march=x86 -mcpu=i386 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=DEBUG
12 ; check output without debug info
13 ; RUN: opt %s -passes=strip -S | llc -pass-remarks-analysis=stack-frame-layout -o /dev/null --march=x86 -mcpu=i386 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=STRIPPED
15 target triple = "x86_64-unknown-linux-gnu"
17 @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
18 declare i32 @printf(ptr, ...)
20 ; CHECK: Function: stackSizeWarning
21 ; CHECK: Offset: [SP-88], Type: Variable, Align: 16, Size: 80
22 ; CHECK: buffer @ frame-diags.c:30
23 ; NO_COLORING: Offset: [SP-168], Type: Variable, Align: 16, Size: 80
24 ; CHECK: buffer2 @ frame-diags.c:33
25 define void @stackSizeWarning() {
27 %buffer = alloca [80 x i8], align 16
28 %buffer2 = alloca [80 x i8], align 16
29 call void @llvm.dbg.declare(metadata ptr %buffer, metadata !25, metadata !DIExpression()), !dbg !39
30 call void @llvm.dbg.declare(metadata ptr %buffer2, metadata !31, metadata !DIExpression()), !dbg !40
34 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
35 declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
37 ; BOTH: Function: cleanup_array
38 ; BOTH-NEXT: Offset: [SP+4], Type: Fixed, Align: 16, Size: 4
40 ; STRIPPED-NOT: a @ dot.c:13
41 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
42 define void @cleanup_array(ptr %0) #1 {
43 %2 = alloca ptr, align 8
44 store ptr %0, ptr %2, align 8
45 call void @llvm.dbg.declare(metadata ptr %2, metadata !41, metadata !DIExpression()), !dbg !46
49 ; BOTH: Function: cleanup_result
50 ; BOTH: Offset: [SP+4], Type: Fixed, Align: 16, Size: 4
51 ; DEBUG: res @ dot.c:21
52 ; STRIPPED-NOT: res @ dot.c:21
53 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
54 define void @cleanup_result(ptr %0) #1 {
55 %2 = alloca ptr, align 8
56 store ptr %0, ptr %2, align 8
57 call void @llvm.dbg.declare(metadata ptr %2, metadata !47, metadata !DIExpression()), !dbg !51
61 ; BOTH: Function: do_work
62 ; BOTH: Offset: [SP+12], Type: Fixed, Align: 8, Size: 4
63 ; DEBUG: out @ dot.c:32
64 ; STRIPPED-NOT: out @ dot.c:32
65 ; BOTH: Offset: [SP+8], Type: Fixed, Align: 4, Size: 4
66 ; BOTH: Offset: [SP+4], Type: Fixed, Align: 16, Size: 4
68 ; STRIPPED-NOT: A @ dot.c:32
69 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
70 ; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
71 ; DEBUG: AB @ dot.c:38
72 ; STRIPPED-NOT: AB @ dot.c:38
73 ; BOTH: Offset: [SP-16], Type: Variable, Align: 4, Size: 4
75 ; STRIPPED-NOT: i @ dot.c:55
76 ; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
78 ; STRIPPED-NOT: B @ dot.c:32
79 ; BOTH: Offset: [SP-24], Type: Variable, Align: 4, Size: 4
80 ; DEBUG: len @ dot.c:37
81 ; STRIPPED-NOT: len @ dot.c:37
82 ; BOTH: Offset: [SP-28], Type: Variable, Align: 4, Size: 4
83 ; BOTH: Offset: [SP-32], Type: Variable, Align: 4, Size: 4
84 ; DEBUG: sum @ dot.c:54
85 ; STRIPPED-NOT: sum @ dot.c:54
86 define i32 @do_work(ptr %0, ptr %1, ptr %2) #2 {
87 %4 = alloca i32, align 4
88 %5 = alloca ptr, align 8
89 %6 = alloca ptr, align 8
90 %7 = alloca ptr, align 8
91 %8 = alloca i32, align 4
92 %9 = alloca ptr, align 8
93 %10 = alloca i32, align 4
94 %11 = alloca i32, align 4
95 store ptr %0, ptr %5, align 8
96 call void @llvm.dbg.declare(metadata ptr %5, metadata !52, metadata !DIExpression()), !dbg !56
97 call void @llvm.dbg.declare(metadata ptr %6, metadata !57, metadata !DIExpression()), !dbg !58
98 store ptr %2, ptr %7, align 8
99 call void @llvm.dbg.declare(metadata ptr %7, metadata !59, metadata !DIExpression()), !dbg !60
100 call void @llvm.dbg.declare(metadata ptr %8, metadata !61, metadata !DIExpression()), !dbg !63
101 call void @llvm.dbg.declare(metadata ptr %9, metadata !64, metadata !DIExpression()), !dbg !65
102 store ptr null, ptr %9, align 8
103 store ptr null, ptr null, align 8
104 store i32 0, ptr %9, align 8
105 %12 = load i32, ptr %8, align 4
106 store i32 %12, ptr null, align 8
107 call void @llvm.dbg.declare(metadata ptr %10, metadata !66, metadata !DIExpression()), !dbg !67
108 call void @llvm.dbg.declare(metadata ptr %11, metadata !68, metadata !DIExpression()), !dbg !70
109 store i32 0, ptr %11, align 4
112 13: ; preds = %16, %3
113 %14 = load i32, ptr %11, align 4
114 %15 = icmp slt i32 %14, 0
115 br i1 %15, label %16, label %18
118 %17 = load i32, ptr %6, align 4
119 store i32 %17, ptr null, align 4
123 store i32 0, ptr %4, align 4
127 ; BOTH: Function: gen_array
128 ; BOTH: Offset: [SP+4], Type: Fixed, Align: 16, Size: 4
129 ; DEBUG: size @ dot.c:62
130 ; STRIPPED-NOT: size @ dot.c:62
131 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
132 ; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
133 ; DEBUG: res @ dot.c:65
134 ; STRIPPED-NOT: res @ dot.c:65
135 ; BOTH: Offset: [SP-16], Type: Variable, Align: 4, Size: 4
136 ; DEBUG: i @ dot.c:69
137 ; STRIPPED-NOT: i @ dot.c:69
138 ; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
139 define ptr @gen_array(i32 %0) #1 {
140 %2 = alloca ptr, align 8
141 %3 = alloca i32, align 4
142 %4 = alloca ptr, align 8
143 %5 = alloca i32, align 4
144 store i32 %0, ptr %3, align 4
145 call void @llvm.dbg.declare(metadata ptr %3, metadata !71, metadata !DIExpression()), !dbg !75
146 call void @llvm.dbg.declare(metadata ptr %4, metadata !76, metadata !DIExpression()), !dbg !77
147 store ptr null, ptr %4, align 8
148 call void @llvm.dbg.declare(metadata ptr %5, metadata !78, metadata !DIExpression()), !dbg !80
149 store i32 0, ptr %5, align 4
153 ; BOTH: Function: caller
154 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
155 ; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
156 ; DEBUG: res @ dot.c:80
157 ; STRIPPED-NOT: res @ dot.c:80
158 ; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
159 ; DEBUG: B @ dot.c:79
160 ; STRIPPED-NOT: B @ dot.c:79
161 ; BOTH: Offset: [SP-28], Type: Variable, Align: 8, Size: 4
162 ; DEBUG: A @ dot.c:78
163 ; STRIPPED-NOT: A @ dot.c:78
164 ; BOTH: Offset: [SP-32], Type: Variable, Align: 4, Size: 4
165 ; DEBUG: ret @ dot.c:81
166 ; STRIPPED-NOT: ret @ dot.c:81
167 ; BOTH: Offset: [SP-36], Type: Variable, Align: 4, Size: 4
168 ; BOTH: Offset: [SP-40], Type: Variable, Align: 4, Size: 4
169 ; DEBUG: err @ dot.c:83
170 ; STRIPPED-NOT: err @ dot.c:83
171 ; BOTH: Offset: [SP-44], Type: Variable, Align: 4, Size: 4
172 ; DEBUG: size @ dot.c:77
173 ; STRIPPED-NOT: size @ dot.c:77
174 define i32 @caller() #1 {
175 %1 = alloca i32, align 4
176 %2 = alloca i32, align 4
177 %3 = alloca ptr, align 8
178 %4 = alloca ptr, align 8
179 %5 = alloca ptr, align 8
180 %6 = alloca i32, align 4
181 %7 = alloca i32, align 4
182 call void @llvm.dbg.declare(metadata ptr %2, metadata !81, metadata !DIExpression()), !dbg !85
183 call void @llvm.dbg.declare(metadata ptr %3, metadata !86, metadata !DIExpression()), !dbg !87
184 call void @llvm.dbg.declare(metadata ptr %4, metadata !88, metadata !DIExpression()), !dbg !89
185 store ptr null, ptr %4, align 8
186 call void @llvm.dbg.declare(metadata ptr %5, metadata !90, metadata !DIExpression()), !dbg !91
187 call void @llvm.dbg.declare(metadata ptr %6, metadata !92, metadata !DIExpression()), !dbg !93
188 call void @llvm.dbg.declare(metadata ptr %7, metadata !94, metadata !DIExpression()), !dbg !95
189 %8 = call i32 @do_work(ptr %3, ptr null, ptr null)
190 store i32 0, ptr %6, align 4
191 store i32 0, ptr %1, align 4
192 call void @cleanup_result(ptr %5)
196 ; test29b: An array of [5 x i8] and a requested ssp-buffer-size of 5.
197 ; Requires protector.
198 ; Function Attrs: ssp stack-protector-buffer-size=5
199 ; BOTH: Function: test29b
200 ; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
201 ; BOTH: Offset: [SP-8], Type: Protector, Align: 4, Size: 4
202 ; BOTH: Offset: [SP-13], Type: Variable, Align: 1, Size: 5
203 define i32 @test29b() #2 {
205 %test = alloca [5 x i8], align 1
206 %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %test)
210 ; uselistorder directives
211 uselistorder ptr @llvm.dbg.declare, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 18 }
213 attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
214 attributes #1 = { "frame-pointer"="all" }
215 attributes #2 = { ssp "stack-protector-buffer-size"="5" "frame-pointer"="all" }
217 !llvm.dbg.cu = !{!0, !2}
218 !llvm.module.flags = !{!18, !19, !20, !21, !22, !23, !24}
220 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
221 !1 = !DIFile(filename: "frame-diags.c", directory: "")
222 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, splitDebugInlining: false, nameTableKind: None)
223 !3 = !DIFile(filename: "dot.c", directory: "")
224 !4 = !{!5, !6, !10, !13}
225 !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
226 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
227 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Array", file: !3, line: 3, size: 128, elements: !8)
229 !9 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !7, file: !3, line: 4, baseType: !10, size: 64)
230 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
231 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
232 !12 = !DIDerivedType(tag: DW_TAG_member, name: "size", scope: !7, file: !3, line: 5, baseType: !11, size: 32, offset: 64)
233 !13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
234 !14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Result", file: !3, line: 8, size: 128, elements: !15)
236 !16 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !14, file: !3, line: 9, baseType: !6, size: 64)
237 !17 = !DIDerivedType(tag: DW_TAG_member, name: "sum", scope: !14, file: !3, line: 10, baseType: !11, size: 32, offset: 64)
238 !18 = !{i32 7, !"Dwarf Version", i32 5}
239 !19 = !{i32 2, !"Debug Info Version", i32 3}
240 !20 = !{i32 1, !"wchar_size", i32 4}
241 !21 = !{i32 8, !"PIC Level", i32 2}
242 !22 = !{i32 7, !"PIE Level", i32 2}
243 !23 = !{i32 7, !"uwtable", i32 2}
244 !24 = !{i32 7, !"frame-pointer", i32 2}
245 !25 = !DILocalVariable(name: "buffer", scope: !26, file: !1, line: 30, type: !32)
246 !26 = distinct !DILexicalBlock(scope: !27, file: !1, line: 29, column: 3)
247 !27 = distinct !DISubprogram(name: "stackSizeWarning", scope: !1, file: !1, line: 28, type: !28, scopeLine: 28, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30)
248 !28 = !DISubroutineType(types: !29)
250 !30 = !{!25, !31, !36, !37}
251 !31 = !DILocalVariable(name: "buffer2", scope: !27, file: !1, line: 33, type: !32)
252 !32 = !DICompositeType(tag: DW_TAG_array_type, baseType: !33, size: 640, elements: !34)
253 !33 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
255 !35 = !DISubrange(count: 80)
256 !36 = !DILocalVariable(name: "a", scope: !27, file: !1, line: 34, type: !11)
257 !37 = !DILocalVariable(name: "b", scope: !27, file: !1, line: 35, type: !38)
258 !38 = !DIBasicType(name: "long", size: 64, encoding: DW_ATE_signed)
259 !39 = !DILocation(line: 30, column: 10, scope: !26)
260 !40 = !DILocation(line: 33, column: 8, scope: !27)
261 !41 = !DILocalVariable(name: "a", arg: 1, scope: !42, file: !3, line: 13, type: !6)
262 !42 = distinct !DISubprogram(name: "cleanup_array", scope: !3, file: !3, line: 13, type: !43, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
263 !43 = !DISubroutineType(types: !44)
266 !46 = !DILocation(line: 13, column: 34, scope: !42)
267 !47 = !DILocalVariable(name: "res", arg: 1, scope: !48, file: !3, line: 21, type: !13)
268 !48 = distinct !DISubprogram(name: "cleanup_result", scope: !3, file: !3, line: 21, type: !49, scopeLine: 21, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
269 !49 = !DISubroutineType(types: !50)
271 !51 = !DILocation(line: 21, column: 36, scope: !48)
272 !52 = !DILocalVariable(name: "A", arg: 1, scope: !53, file: !3, line: 32, type: !6)
273 !53 = distinct !DISubprogram(name: "do_work", scope: !3, file: !3, line: 32, type: !54, scopeLine: 32, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
274 !54 = !DISubroutineType(types: !55)
275 !55 = !{!11, !6, !6, !13}
276 !56 = !DILocation(line: 32, column: 27, scope: !53)
277 !57 = !DILocalVariable(name: "B", arg: 2, scope: !53, file: !3, line: 32, type: !6)
278 !58 = !DILocation(line: 32, column: 44, scope: !53)
279 !59 = !DILocalVariable(name: "out", arg: 3, scope: !53, file: !3, line: 32, type: !13)
280 !60 = !DILocation(line: 32, column: 62, scope: !53)
281 !61 = !DILocalVariable(name: "len", scope: !53, file: !3, line: 37, type: !62)
282 !62 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
283 !63 = !DILocation(line: 37, column: 13, scope: !53)
284 !64 = !DILocalVariable(name: "AB", scope: !53, file: !3, line: 38, type: !6)
285 !65 = !DILocation(line: 38, column: 17, scope: !53)
286 !66 = !DILocalVariable(name: "sum", scope: !53, file: !3, line: 54, type: !11)
287 !67 = !DILocation(line: 54, column: 7, scope: !53)
288 !68 = !DILocalVariable(name: "i", scope: !69, file: !3, line: 55, type: !11)
289 !69 = distinct !DILexicalBlock(scope: !53, file: !3, line: 55, column: 3)
290 !70 = !DILocation(line: 55, column: 12, scope: !69)
291 !71 = !DILocalVariable(name: "size", arg: 1, scope: !72, file: !3, line: 62, type: !11)
292 !72 = distinct !DISubprogram(name: "gen_array", scope: !3, file: !3, line: 62, type: !73, scopeLine: 62, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
293 !73 = !DISubroutineType(types: !74)
295 !75 = !DILocation(line: 62, column: 29, scope: !72)
296 !76 = !DILocalVariable(name: "res", scope: !72, file: !3, line: 65, type: !6)
297 !77 = !DILocation(line: 65, column: 17, scope: !72)
298 !78 = !DILocalVariable(name: "i", scope: !79, file: !3, line: 69, type: !11)
299 !79 = distinct !DILexicalBlock(scope: !72, file: !3, line: 69, column: 3)
300 !80 = !DILocation(line: 69, column: 12, scope: !79)
301 !81 = !DILocalVariable(name: "size", scope: !82, file: !3, line: 77, type: !62)
302 !82 = distinct !DISubprogram(name: "caller", scope: !3, file: !3, line: 76, type: !83, scopeLine: 76, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
303 !83 = !DISubroutineType(types: !84)
305 !85 = !DILocation(line: 77, column: 13, scope: !82)
306 !86 = !DILocalVariable(name: "A", scope: !82, file: !3, line: 78, type: !6)
307 !87 = !DILocation(line: 78, column: 17, scope: !82)
308 !88 = !DILocalVariable(name: "B", scope: !82, file: !3, line: 79, type: !6)
309 !89 = !DILocation(line: 79, column: 17, scope: !82)
310 !90 = !DILocalVariable(name: "res", scope: !82, file: !3, line: 80, type: !13)
311 !91 = !DILocation(line: 80, column: 18, scope: !82)
312 !92 = !DILocalVariable(name: "ret", scope: !82, file: !3, line: 81, type: !11)
313 !93 = !DILocation(line: 81, column: 7, scope: !82)
314 !94 = !DILocalVariable(name: "err", scope: !82, file: !3, line: 83, type: !11)
315 !95 = !DILocation(line: 83, column: 7, scope: !82)