1; Test remark output for stack-frame-layout 2 3; ensure basic output works 4; RUN: llc -mcpu=corei7 -O1 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s 5 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 8 9; check more complex cases 10; RUN: llc %s -pass-remarks-analysis=stack-frame-layout -o /dev/null -mtriple=i686-unknown-linux 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=DEBUG 11 12; check output without debug info 13; RUN: opt %s -passes=strip -S | llc -pass-remarks-analysis=stack-frame-layout -o /dev/null -mtriple=i686-unknown-linux 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=STRIPPED 14 15target triple = "x86_64-unknown-linux-gnu" 16 17@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 18declare i32 @printf(ptr, ...) 19 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 25define void @stackSizeWarning() { 26entry: 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 31 ret void 32} 33 34; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn 35declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 36 37; BOTH: Function: cleanup_array 38; BOTH-NEXT: Offset: [SP+4], Type: Fixed, Align: 16, Size: 4 39; DEBUG: a @ dot.c:13 40; STRIPPED-NOT: a @ dot.c:13 41; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4 42define 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 46 ret void 47} 48 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 54define 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 58 ret void 59} 60 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 67; DEBUG: A @ dot.c:32 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 74; DEBUG: i @ dot.c:55 75; STRIPPED-NOT: i @ dot.c:55 76; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4 77; DEBUG: B @ dot.c:32 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 86define 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 4 110 br label %13 111 11213: ; 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 %18 116 11716: ; preds = %13 118 %17 = load i32, ptr %6, align 4 119 store i32 %17, ptr null, align 4 120 br label %13 121 12218: ; preds = %13 123 store i32 0, ptr %4, align 4 124 ret i32 0 125} 126 127; 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 139define 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 4 150 ret ptr null 151} 152 153; 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 174define 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) 193 ret i32 0 194} 195 196; 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 203define i32 @test29b() #2 { 204entry: 205 %test = alloca [5 x i8], align 1 206 %call = call i32 (ptr, ...) @printf(ptr @.str, ptr %test) 207 ret i32 %call 208} 209 210; uselistorder directives 211uselistorder ptr @llvm.dbg.declare, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 18 } 212 213attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn } 214attributes #1 = { "frame-pointer"="all" } 215attributes #2 = { ssp "stack-protector-buffer-size"="5" "frame-pointer"="all" } 216 217!llvm.dbg.cu = !{!0, !2} 218!llvm.module.flags = !{!18, !19, !20, !21, !22, !23, !24} 219 220!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) 228!8 = !{!9, !12} 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) 235!15 = !{!16, !17} 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) 249!29 = !{null} 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) 254!34 = !{!35} 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) 264!44 = !{null, !6} 265!45 = !{} 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) 270!50 = !{null, !13} 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) 294!74 = !{!6, !11} 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) 304!84 = !{!11} 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) 316