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Reapply [Verifier] Sanity check alloca size against DILocalVariable f…
…ragment size Reapply after fixing a clang bug this exposed in D158972 and adjusting a number of tests that failed for 32-bit targets. ----- Add a check that the DILocalVariable fragment size in dbg.declare does not exceed the size of the alloca. This would have caught the invalid debuginfo regenerated by rustc in #64149. Differential Revision: https://reviews.llvm.org/D158743
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| ; Test remark output for stack-frame-layout | ||
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| ; ensure basic output works | ||
| ; RUN: llc -mcpu=corei7 -O1 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s | ||
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| ; check additional slots are displayed when stack is not optimized | ||
| ; RUN: llc -mcpu=corei7 -O0 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NO_COLORING | ||
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| target triple = "x86_64-unknown-linux-gnu" | ||
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| @.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1 | ||
| declare i32 @printf(ptr, ...) | ||
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| ; CHECK: Function: stackSizeWarning | ||
| ; CHECK: Offset: [SP-88], Type: Variable, Align: 16, Size: 80 | ||
| ; CHECK: buffer @ frame-diags.c:30 | ||
| ; NO_COLORING: Offset: [SP-168], Type: Variable, Align: 16, Size: 80 | ||
| ; CHECK: buffer2 @ frame-diags.c:33 | ||
| define void @stackSizeWarning() { | ||
| entry: | ||
| %buffer = alloca [80 x i8], align 16 | ||
| %buffer2 = alloca [80 x i8], align 16 | ||
| call void @llvm.dbg.declare(metadata ptr %buffer, metadata !25, metadata !DIExpression()), !dbg !39 | ||
| call void @llvm.dbg.declare(metadata ptr %buffer2, metadata !31, metadata !DIExpression()), !dbg !40 | ||
| ret void | ||
| } | ||
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| ; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none) | ||
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #0 | ||
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| attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) } | ||
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| !llvm.dbg.cu = !{!0, !2} | ||
| !llvm.module.flags = !{!18, !19, !20, !21, !22, !23, !24} | ||
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| !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None) | ||
| !1 = !DIFile(filename: "frame-diags.c", directory: "") | ||
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, splitDebugInlining: false, nameTableKind: None) | ||
| !3 = !DIFile(filename: "dot.c", directory: "") | ||
| !4 = !{!5, !6, !10, !13} | ||
| !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) | ||
| !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64) | ||
| !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Array", file: !3, line: 3, size: 128, elements: !8) | ||
| !8 = !{!9, !12} | ||
| !9 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !7, file: !3, line: 4, baseType: !10, size: 64) | ||
| !10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64) | ||
| !11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) | ||
| !12 = !DIDerivedType(tag: DW_TAG_member, name: "size", scope: !7, file: !3, line: 5, baseType: !11, size: 32, offset: 64) | ||
| !13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64) | ||
| !14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Result", file: !3, line: 8, size: 128, elements: !15) | ||
| !15 = !{!16, !17} | ||
| !16 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !14, file: !3, line: 9, baseType: !6, size: 64) | ||
| !17 = !DIDerivedType(tag: DW_TAG_member, name: "sum", scope: !14, file: !3, line: 10, baseType: !11, size: 32, offset: 64) | ||
| !18 = !{i32 7, !"Dwarf Version", i32 5} | ||
| !19 = !{i32 2, !"Debug Info Version", i32 3} | ||
| !20 = !{i32 1, !"wchar_size", i32 4} | ||
| !21 = !{i32 8, !"PIC Level", i32 2} | ||
| !22 = !{i32 7, !"PIE Level", i32 2} | ||
| !23 = !{i32 7, !"uwtable", i32 2} | ||
| !24 = !{i32 7, !"frame-pointer", i32 2} | ||
| !25 = !DILocalVariable(name: "buffer", scope: !26, file: !1, line: 30, type: !32) | ||
| !26 = distinct !DILexicalBlock(scope: !27, file: !1, line: 29, column: 3) | ||
| !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) | ||
| !28 = !DISubroutineType(types: !29) | ||
| !29 = !{null} | ||
| !30 = !{!25, !31, !36, !37} | ||
| !31 = !DILocalVariable(name: "buffer2", scope: !27, file: !1, line: 33, type: !32) | ||
| !32 = !DICompositeType(tag: DW_TAG_array_type, baseType: !33, size: 640, elements: !34) | ||
| !33 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) | ||
| !34 = !{!35} | ||
| !35 = !DISubrange(count: 80) | ||
| !36 = !DILocalVariable(name: "a", scope: !27, file: !1, line: 34, type: !11) | ||
| !37 = !DILocalVariable(name: "b", scope: !27, file: !1, line: 35, type: !38) | ||
| !38 = !DIBasicType(name: "long", size: 64, encoding: DW_ATE_signed) | ||
| !39 = !DILocation(line: 30, column: 10, scope: !26) | ||
| !40 = !DILocation(line: 33, column: 8, scope: !27) |
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