1 ; Test remark output for stack-frame-layout
3 ; ensure basic output works
4 ; RUN: llc -mtriple=arm-eabi -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 -mtriple=arm-eabi -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 --mtriple=arm -mcpu=cortex-m1 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 --mtriple=arm -mcpu=cortex-m1 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: [SP-4]{{.*}}Spill{{.*}}4{{.*}}4
22 ; CHECK: [SP-96]{{.*}}16{{.*}}80
23 ; CHECK: buffer @ frame-diags.c:30
24 ; NO_COLORING: [SP-176]{{.*}}16{{.*}}80
25 ; CHECK: buffer2 @ frame-diags.c:33
27 ; BOTH: Function: stackSizeWarning
28 ; BOTH: [SP-4]{{.*}}Spill{{.*}}4{{.*}}4
29 ; BOTH: [SP-8]{{.*}}Spill{{.*}}4{{.*}}4
30 ; BOTH: [SP-12]{{.*}}Spill{{.*}}4{{.*}}4
31 ; BOTH: [SP-16]{{.*}}Spill{{.*}}4{{.*}}4
32 ; BOTH: [SP-96]{{.*}}16{{.*}}80
33 ; DEBUG: buffer @ frame-diags.c:30
34 ; STRIPPED-NOT: buffer @ frame-diags.c:30
35 ; BOTH: [SP-176]{{.*}}16{{.*}}80
36 ; DEBUG: buffer2 @ frame-diags.c:33
37 ; STRIPPED-NOT: buffer2 @ frame-diags.c:33
38 define void @stackSizeWarning() {
40 %buffer = alloca [80 x i8], align 16
41 %buffer2 = alloca [80 x i8], align 16
42 call void @llvm.dbg.declare(metadata ptr %buffer, metadata !25, metadata !DIExpression()), !dbg !39
43 call void @llvm.dbg.declare(metadata ptr %buffer2, metadata !31, metadata !DIExpression()), !dbg !40
47 ; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
48 declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
50 ; BOTH: Function: cleanup_array
51 ; BOTH: [SP-8]{{.+}}8{{.+}}4
53 ; STRIPPED-NOT: a @ dot.c:13
54 define void @cleanup_array(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 !41, metadata !DIExpression()), !dbg !46
61 ; BOTH: Function: cleanup_result
62 ; BOTH: [SP-8]{{.+}}8{{.+}}4
63 ; DEBUG: res @ dot.c:21
64 ; STRIPPED-NOT: res @ dot.c:21
65 define void @cleanup_result(ptr %0) #1 {
66 %2 = alloca ptr, align 8
67 store ptr %0, ptr %2, align 8
68 call void @llvm.dbg.declare(metadata ptr %2, metadata !47, metadata !DIExpression()), !dbg !51
72 ; BOTH: Function: do_work
73 ; BOTH: [SP-4]{{.+}}4{{.+}}4
74 ; BOTH: [SP-8]{{.+}}8{{.+}}4
76 ; STRIPPED-NOT: A @ dot.c:32
77 ; BOTH: [SP-16]{{.+}}8{{.+}}4
79 ; STRIPPED-NOT: B @ dot.c:32
80 ; BOTH: [SP-24]{{.+}}8{{.+}}4
81 ; DEBUG: out @ dot.c:32
82 ; STRIPPED-NOT: out @ dot.c:32
83 ; BOTH: [SP-28]{{.+}}4{{.+}}4
84 ; DEBUG: len @ dot.c:37
85 ; STRIPPED-NOT: len @ dot.c:37
86 ; BOTH: [SP-32]{{.+}}8{{.+}}4
87 ; DEBUG: AB @ dot.c:38
88 ; STRIPPED-NOT: AB @ dot.c:38
89 ; BOTH: [SP-36]{{.+}}4{{.+}}4
90 ; DEBUG: sum @ dot.c:54
91 ; STRIPPED-NOT: sum @ dot.c:54
92 ; BOTH: [SP-40]{{.+}}4{{.+}}4
94 ; STRIPPED-NOT: i @ dot.c:55
95 define i32 @do_work(ptr %0, ptr %1, ptr %2) #1 {
96 %4 = alloca i32, align 4
97 %5 = alloca ptr, align 8
98 %6 = alloca ptr, align 8
99 %7 = alloca ptr, align 8
100 %8 = alloca i32, align 4
101 %9 = alloca ptr, align 8
102 %10 = alloca i32, align 4
103 %11 = alloca i32, align 4
104 store ptr %0, ptr %5, align 8
105 call void @llvm.dbg.declare(metadata ptr %5, metadata !52, metadata !DIExpression()), !dbg !56
106 call void @llvm.dbg.declare(metadata ptr %6, metadata !57, metadata !DIExpression()), !dbg !58
107 store ptr %2, ptr %7, align 8
108 call void @llvm.dbg.declare(metadata ptr %7, metadata !59, metadata !DIExpression()), !dbg !60
109 call void @llvm.dbg.declare(metadata ptr %8, metadata !61, metadata !DIExpression()), !dbg !63
110 call void @llvm.dbg.declare(metadata ptr %9, metadata !64, metadata !DIExpression()), !dbg !65
111 store ptr null, ptr %9, align 8
112 store ptr null, ptr null, align 8
113 store i32 0, ptr %9, align 8
114 %12 = load i32, ptr %8, align 4
115 store i32 %12, ptr null, align 8
116 call void @llvm.dbg.declare(metadata ptr %10, metadata !66, metadata !DIExpression()), !dbg !67
117 call void @llvm.dbg.declare(metadata ptr %11, metadata !68, metadata !DIExpression()), !dbg !70
118 store i32 0, ptr %11, align 4
121 13: ; preds = %16, %3
122 %14 = load i32, ptr %11, align 4
123 %15 = icmp slt i32 %14, 0
124 br i1 %15, label %16, label %18
127 %17 = load i32, ptr %6, align 4
128 store i32 %17, ptr null, align 4
132 store i32 0, ptr %4, align 4
136 ; BOTH: Function: gen_array
137 ; BOTH: [SP-8]{{.+}}8{{.+}}4
138 ; BOTH: [SP-12]{{.+}}4{{.+}}4
139 ; DEBUG: size @ dot.c:62
140 ; STRIPPED-NOT: size @ dot.c:65
141 ; BOTH: [SP-16]{{.+}}8{{.+}}4
142 ; DEBUG: res @ dot.c:65
143 ; STRIPPED-NOT: res @ dot.c:65
144 ; BOTH: [SP-20]{{.+}}4{{.*}}4
145 ; DEBUG: i @ dot.c:69
146 ; STRIPPED-NOT: i @ dot.c:69
147 define ptr @gen_array(i32 %0) #1 {
148 %2 = alloca ptr, align 8
149 %3 = alloca i32, align 4
150 %4 = alloca ptr, align 8
151 %5 = alloca i32, align 4
152 store i32 %0, ptr %3, align 4
153 call void @llvm.dbg.declare(metadata ptr %3, metadata !71, metadata !DIExpression()), !dbg !75
154 call void @llvm.dbg.declare(metadata ptr %4, metadata !76, metadata !DIExpression()), !dbg !77
155 store ptr null, ptr %4, align 8
156 call void @llvm.dbg.declare(metadata ptr %5, metadata !78, metadata !DIExpression()), !dbg !80
157 store i32 0, ptr %5, align 4
162 ; BOTH: Function: caller
163 ; BOTH: [SP-4]{{.*}}Spill{{.*}}4{{.*}}4
164 ; BOTH: [SP-8]{{.*}}Spill{{.*}}4{{.*}}4
165 ; BOTH: [SP-12]{{.*}}Spill{{.*}}4{{.*}}4
166 ; BOTH: [SP-16]{{.*}}Spill{{.*}}4{{.*}}4
167 ; BOTH: [SP-20]{{.*}}4{{.*}}4
168 ; BOTH: [SP-24]{{.*}}4{{.*}}4
169 ; DEBUG: size @ dot.c:77
170 ; STRIPPED-NOT: size @ dot.c:77
171 ; BOTH: [SP-32]{{.*}}8{{.*}}4
172 ; DEBUG: A @ dot.c:78
173 ; STRIPPED-NOT: A @ dot.c:78
174 ; BOTH: [SP-40]{{.*}}8{{.*}}4
175 ; DEBUG: B @ dot.c:79
176 ; STRIPPED-NOT: B @ dot.c:79
177 ; BOTH: [SP-48]{{.*}}8{{.*}}4
178 ; DEBUG: res @ dot.c:80
179 ; STRIPPED-NOT: res @ dot.c:80
180 ; BOTH: [SP-52]{{.*}}4{{.*}}4
181 ; DEBUG: ret @ dot.c:81
182 ; STRIPPED-NOT: ret @ dot.c:81
183 ; BOTH: [SP-56]{{.*}}4{{.*}}4
184 ; DEBUG: err @ dot.c:83
185 ; STRIPPED-NOT: err @ dot.c:83
186 define i32 @caller() #1 {
187 %1 = alloca i32, align 4
188 %2 = alloca i32, align 4
189 %3 = alloca ptr, align 8
190 %4 = alloca ptr, align 8
191 %5 = alloca ptr, align 8
192 %6 = alloca i32, align 4
193 %7 = alloca i32, align 4
194 call void @llvm.dbg.declare(metadata ptr %2, metadata !81, metadata !DIExpression()), !dbg !85
195 call void @llvm.dbg.declare(metadata ptr %3, metadata !86, metadata !DIExpression()), !dbg !87
196 call void @llvm.dbg.declare(metadata ptr %4, metadata !88, metadata !DIExpression()), !dbg !89
197 store ptr null, ptr %4, align 8
198 call void @llvm.dbg.declare(metadata ptr %5, metadata !90, metadata !DIExpression()), !dbg !91
199 call void @llvm.dbg.declare(metadata ptr %6, metadata !92, metadata !DIExpression()), !dbg !93
200 call void @llvm.dbg.declare(metadata ptr %7, metadata !94, metadata !DIExpression()), !dbg !95
201 %8 = call i32 @do_work(ptr %3, ptr null, ptr null)
202 store i32 0, ptr %6, align 4
203 store i32 0, ptr %1, align 4
204 call void @cleanup_result(ptr %5)
208 ; test29b: An array of [5 x i8] and a requested ssp-buffer-size of 5.
209 ; Requires protector.
210 ; Function Attrs: ssp stack-protector-buffer-size=5
211 ; BOTH: Function: test29b
212 ; BOTH: [SP-4]{{.+}}Spill{{.*}}4{{.+}}4
213 ; BOTH: [SP-8]{{.+}}Spill{{.*}}4{{.+}}4
214 ; BOTH: [SP-12]{{.+}}Protector{{.*}}4{{.+}}4
215 ; BOTH: [SP-20]{{.+}}4{{.+}}5
216 define i32 @test29b() #2 {
218 %test = alloca [5 x i8], align 1
219 %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %test)
224 ; uselistorder directives
225 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 }
227 attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
228 attributes #1 = { "frame-pointer"="all" }
229 attributes #2 = { ssp "stack-protector-buffer-size"="5" "frame-pointer"="all" }
231 !llvm.dbg.cu = !{!0, !2}
232 !llvm.module.flags = !{!18, !19, !20, !21, !22, !23, !24}
234 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
235 !1 = !DIFile(filename: "frame-diags.c", directory: "")
236 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, splitDebugInlining: false, nameTableKind: None)
237 !3 = !DIFile(filename: "dot.c", directory: "")
238 !4 = !{!5, !6, !10, !13}
239 !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
240 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
241 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Array", file: !3, line: 3, size: 128, elements: !8)
243 !9 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !7, file: !3, line: 4, baseType: !10, size: 64)
244 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
245 !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
246 !12 = !DIDerivedType(tag: DW_TAG_member, name: "size", scope: !7, file: !3, line: 5, baseType: !11, size: 32, offset: 64)
247 !13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
248 !14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Result", file: !3, line: 8, size: 128, elements: !15)
250 !16 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !14, file: !3, line: 9, baseType: !6, size: 64)
251 !17 = !DIDerivedType(tag: DW_TAG_member, name: "sum", scope: !14, file: !3, line: 10, baseType: !11, size: 32, offset: 64)
252 !18 = !{i32 7, !"Dwarf Version", i32 5}
253 !19 = !{i32 2, !"Debug Info Version", i32 3}
254 !20 = !{i32 1, !"wchar_size", i32 4}
255 !21 = !{i32 8, !"PIC Level", i32 2}
256 !22 = !{i32 7, !"PIE Level", i32 2}
257 !23 = !{i32 7, !"uwtable", i32 2}
258 !24 = !{i32 7, !"frame-pointer", i32 2}
259 !25 = !DILocalVariable(name: "buffer", scope: !26, file: !1, line: 30, type: !32)
260 !26 = distinct !DILexicalBlock(scope: !27, file: !1, line: 29, column: 3)
261 !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)
262 !28 = !DISubroutineType(types: !29)
264 !30 = !{!25, !31, !36, !37}
265 !31 = !DILocalVariable(name: "buffer2", scope: !27, file: !1, line: 33, type: !32)
266 !32 = !DICompositeType(tag: DW_TAG_array_type, baseType: !33, size: 640, elements: !34)
267 !33 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
269 !35 = !DISubrange(count: 80)
270 !36 = !DILocalVariable(name: "a", scope: !27, file: !1, line: 34, type: !11)
271 !37 = !DILocalVariable(name: "b", scope: !27, file: !1, line: 35, type: !38)
272 !38 = !DIBasicType(name: "long", size: 64, encoding: DW_ATE_signed)
273 !39 = !DILocation(line: 30, column: 10, scope: !26)
274 !40 = !DILocation(line: 33, column: 8, scope: !27)
275 !41 = !DILocalVariable(name: "a", arg: 1, scope: !42, file: !3, line: 13, type: !6)
276 !42 = distinct !DISubprogram(name: "cleanup_array", scope: !3, file: !3, line: 13, type: !43, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
277 !43 = !DISubroutineType(types: !44)
280 !46 = !DILocation(line: 13, column: 34, scope: !42)
281 !47 = !DILocalVariable(name: "res", arg: 1, scope: !48, file: !3, line: 21, type: !13)
282 !48 = distinct !DISubprogram(name: "cleanup_result", scope: !3, file: !3, line: 21, type: !49, scopeLine: 21, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
283 !49 = !DISubroutineType(types: !50)
285 !51 = !DILocation(line: 21, column: 36, scope: !48)
286 !52 = !DILocalVariable(name: "A", arg: 1, scope: !53, file: !3, line: 32, type: !6)
287 !53 = distinct !DISubprogram(name: "do_work", scope: !3, file: !3, line: 32, type: !54, scopeLine: 32, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
288 !54 = !DISubroutineType(types: !55)
289 !55 = !{!11, !6, !6, !13}
290 !56 = !DILocation(line: 32, column: 27, scope: !53)
291 !57 = !DILocalVariable(name: "B", arg: 2, scope: !53, file: !3, line: 32, type: !6)
292 !58 = !DILocation(line: 32, column: 44, scope: !53)
293 !59 = !DILocalVariable(name: "out", arg: 3, scope: !53, file: !3, line: 32, type: !13)
294 !60 = !DILocation(line: 32, column: 62, scope: !53)
295 !61 = !DILocalVariable(name: "len", scope: !53, file: !3, line: 37, type: !62)
296 !62 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
297 !63 = !DILocation(line: 37, column: 13, scope: !53)
298 !64 = !DILocalVariable(name: "AB", scope: !53, file: !3, line: 38, type: !6)
299 !65 = !DILocation(line: 38, column: 17, scope: !53)
300 !66 = !DILocalVariable(name: "sum", scope: !53, file: !3, line: 54, type: !11)
301 !67 = !DILocation(line: 54, column: 7, scope: !53)
302 !68 = !DILocalVariable(name: "i", scope: !69, file: !3, line: 55, type: !11)
303 !69 = distinct !DILexicalBlock(scope: !53, file: !3, line: 55, column: 3)
304 !70 = !DILocation(line: 55, column: 12, scope: !69)
305 !71 = !DILocalVariable(name: "size", arg: 1, scope: !72, file: !3, line: 62, type: !11)
306 !72 = distinct !DISubprogram(name: "gen_array", scope: !3, file: !3, line: 62, type: !73, scopeLine: 62, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
307 !73 = !DISubroutineType(types: !74)
309 !75 = !DILocation(line: 62, column: 29, scope: !72)
310 !76 = !DILocalVariable(name: "res", scope: !72, file: !3, line: 65, type: !6)
311 !77 = !DILocation(line: 65, column: 17, scope: !72)
312 !78 = !DILocalVariable(name: "i", scope: !79, file: !3, line: 69, type: !11)
313 !79 = distinct !DILexicalBlock(scope: !72, file: !3, line: 69, column: 3)
314 !80 = !DILocation(line: 69, column: 12, scope: !79)
315 !81 = !DILocalVariable(name: "size", scope: !82, file: !3, line: 77, type: !62)
316 !82 = distinct !DISubprogram(name: "caller", scope: !3, file: !3, line: 76, type: !83, scopeLine: 76, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
317 !83 = !DISubroutineType(types: !84)
319 !85 = !DILocation(line: 77, column: 13, scope: !82)
320 !86 = !DILocalVariable(name: "A", scope: !82, file: !3, line: 78, type: !6)
321 !87 = !DILocation(line: 78, column: 17, scope: !82)
322 !88 = !DILocalVariable(name: "B", scope: !82, file: !3, line: 79, type: !6)
323 !89 = !DILocation(line: 79, column: 17, scope: !82)
324 !90 = !DILocalVariable(name: "res", scope: !82, file: !3, line: 80, type: !13)
325 !91 = !DILocation(line: 80, column: 18, scope: !82)
326 !92 = !DILocalVariable(name: "ret", scope: !82, file: !3, line: 81, type: !11)
327 !93 = !DILocation(line: 81, column: 7, scope: !82)
328 !94 = !DILocalVariable(name: "err", scope: !82, file: !3, line: 83, type: !11)
329 !95 = !DILocation(line: 83, column: 7, scope: !82)