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Imported Upstream version 5.18.0.167
Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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113
external/llvm/test/DebugInfo/X86/debug-loc-frame.ll
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113
external/llvm/test/DebugInfo/X86/debug-loc-frame.ll
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@ -1,113 +0,0 @@
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; REQUIRES: object-emission
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; Check that when variables are allocated on the stack we generate debug locations
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; for the stack location directly instead of generating a register+offset indirection.
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; RUN: llc -O2 -filetype=obj -disable-post-ra -mtriple=x86_64-unknown-linux-gnu < %s \
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; RUN: | llvm-dwarfdump -v - | FileCheck %s
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;
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; int data = 17;
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; int sum = 0;
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; int zero = 0;
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; int *ptr;
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;
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; extern void foo(int i, int *p);
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;
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; int main()
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; {
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; int val;
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; val = data;
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; foo(1, &val);
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; foo(2, &data);
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; return zero;
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; }
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;
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; CHECK: .debug_info contents
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_variable
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; CHECK: DW_AT_location [DW_FORM_sec_offset] ({{.*}}
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; CHECK-NEXT: {{0x.*}} - {{0x.*}}: DW_OP_reg0 RAX
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; CHECK-NEXT: {{0x.*}} - {{0x.*}}: DW_OP_breg7 RSP+4, DW_OP_deref)
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; CHECK-NEXT: DW_AT_name {{.*}}"val"
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; ModuleID = 'frame.c'
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source_filename = "frame.c"
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@data = global i32 17, align 4, !dbg !0
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@sum = local_unnamed_addr global i32 0, align 4, !dbg !6
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@zero = local_unnamed_addr global i32 0, align 4, !dbg !9
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@ptr = common local_unnamed_addr global i32* null, align 8, !dbg !11
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define i32 @main() local_unnamed_addr !dbg !17 {
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entry:
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%val = alloca i32, align 4
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%0 = bitcast i32* %val to i8*, !dbg !22
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call void @llvm.lifetime.start(i64 4, i8* %0), !dbg !22
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%1 = load i32, i32* @data, align 4, !dbg !23, !tbaa !24
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tail call void @llvm.dbg.value(metadata i32 %1, metadata !21, metadata !28), !dbg !29
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store i32 %1, i32* %val, align 4, !dbg !30, !tbaa !24
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tail call void @llvm.dbg.value(metadata i32* %val, metadata !21, metadata !31), !dbg !29
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call void @foo(i32 1, i32* nonnull %val), !dbg !32
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call void @foo(i32 2, i32* nonnull @data), !dbg !33
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%2 = load i32, i32* @zero, align 4, !dbg !34, !tbaa !24
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call void @llvm.lifetime.end(i64 4, i8* %0), !dbg !35
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ret i32 %2, !dbg !36
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}
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.start(i64, i8* nocapture) #0
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declare void @foo(i32, i32*) local_unnamed_addr
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; Function Attrs: argmemonly nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #0
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { argmemonly nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!14, !15}
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!llvm.ident = !{!16}
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!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "data", scope: !2, file: !3, line: 1, type: !8, isLocal: false, isDefinition: true)
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.9.0 (trunk 273961)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
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!3 = !DIFile(filename: "frame.c", directory: "/home/user/test")
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!4 = !{}
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!5 = !{!0, !6, !9, !11}
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!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
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!7 = !DIGlobalVariable(name: "sum", scope: !2, file: !3, line: 2, type: !8, isLocal: false, isDefinition: true)
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = distinct !DIGlobalVariableExpression(var: !10, expr: !DIExpression())
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!10 = !DIGlobalVariable(name: "zero", scope: !2, file: !3, line: 3, type: !8, isLocal: false, isDefinition: true)
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!11 = distinct !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
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!12 = !DIGlobalVariable(name: "ptr", scope: !2, file: !3, line: 4, type: !13, isLocal: false, isDefinition: true)
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 64)
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!14 = !{i32 2, !"Dwarf Version", i32 4}
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!15 = !{i32 2, !"Debug Info Version", i32 3}
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!16 = !{!"clang version 3.9.0 (trunk 273961)"}
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!17 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 8, type: !18, isLocal: false, isDefinition: true, scopeLine: 9, isOptimized: true, unit: !2, variables: !20)
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!18 = !DISubroutineType(types: !19)
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!19 = !{!8}
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!20 = !{!21}
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!21 = !DILocalVariable(name: "val", scope: !17, file: !3, line: 10, type: !8)
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!22 = !DILocation(line: 10, column: 3, scope: !17)
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!23 = !DILocation(line: 11, column: 9, scope: !17)
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!24 = !{!25, !25, i64 0}
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!25 = !{!"int", !26, i64 0}
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!26 = !{!"omnipotent char", !27, i64 0}
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!27 = !{!"Simple C/C++ TBAA"}
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!28 = !DIExpression()
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!29 = !DILocation(line: 10, column: 7, scope: !17)
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!30 = !DILocation(line: 11, column: 7, scope: !17)
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!31 = !DIExpression(DW_OP_deref)
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!32 = !DILocation(line: 12, column: 3, scope: !17)
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!33 = !DILocation(line: 13, column: 3, scope: !17)
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!34 = !DILocation(line: 14, column: 10, scope: !17)
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!35 = !DILocation(line: 15, column: 1, scope: !17)
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!36 = !DILocation(line: 14, column: 3, scope: !17)
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