forked from OSchip/llvm-project
50 lines
1.9 KiB
Plaintext
50 lines
1.9 KiB
Plaintext
# This test generates too many debug location entries to fit into 65KB required
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# by DWARF < 5. Check that the location is set to 0 instead of crashing.
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#
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# RUN: %python %s 4000 | llc -mtriple=x86_64-apple-darwin -filetype=obj -o %t
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# RUN: llvm-dwarfdump %t | FileCheck %s
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#
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# CHECK: 0x0000004d: DW_TAG_formal_parameter
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# CHECK-NEXT: DW_AT_location (0x00000000
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# CHECK-NEXT: [0x0000000000000000, 0x0000000000000008): )
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# CHECK-NEXT: DW_AT_name ("self")
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import sys
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SKELETON = """define void @test() !dbg !24 {{
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{}
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call void @foo(), !dbg !34
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ret void, !dbg !34
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}}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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declare void @foo()
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attributes #0 = {{ nounwind readnone speculatable }}
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!llvm.dbg.cu = !{{!0}}
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!llvm.module.flags = !{{!22}}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "clang", isOptimized: true, runtimeVersion: 4, emissionKind: FullDebug)
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!1 = !DIFile(filename: "asdf.c", directory: "bar")
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!2 = !{{}}
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!6 = !DIModule(scope: null, name: "dag", includePath: "/")
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!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !6, file: !1, line: 36, size: 2384384, elements: !2, runtimeLang: DW_LANG_C)
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!22 = !{{i32 2, !"Debug Info Version", i32 3}}
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!24 = distinct !DISubprogram(name: "main", linkageName: "main", scope: !6, file: !1, line: 1, type: !25, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!25 = !DISubroutineType(types: !2)
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!30 = !DILocalVariable(name: "self", arg: 1, scope: !24, file: !1, line: 12, type: !8, flags: DIFlagArtificial)
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!34 = !DILocation(line: 12, column: 8, scope: !24)
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"""
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CALL = "call void @llvm.dbg.value(metadata i64 {0}, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, {0}, 64)), !dbg !34"
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if __name__ == '__main__':
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N = int(sys.argv[1])
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calls = []
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for i in range(0, N):
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calls.append(CALL.format(i * 10**12))
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print(SKELETON.format('\n'.join(calls)))
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