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793a2b15e7
When building LLVM as a (potentially dynamic) library that can be linked against by multiple compilers, the default triple is not really meaningful. We allow to explicitely set it to an empty string when configuring LLVM. In this case, said "target independent" tests in the test suite that are using the default triple are disabled by matching the newly available feature "default_triple". Reviewers: probinson, echristo Differential Revision: http://reviews.llvm.org/D12660 From: Mehdi Amini <mehdi.amini@apple.com> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247775 91177308-0d34-0410-b5e6-96231b3b80d8
78 lines
3.6 KiB
LLVM
78 lines
3.6 KiB
LLVM
; REQUIRES: object-emission
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; This test is failing for powerpc64, because a location list for the
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; variable 'c' is not generated at all. Temporary marking this test as XFAIL
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; for powerpc, until PR21881 is fixed.
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; XFAIL: powerpc64
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; RUN: %llc_dwarf -O2 -dwarf-version 2 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF23
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; RUN: %llc_dwarf -O2 -dwarf-version 3 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF23
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; RUN: %llc_dwarf -O2 -dwarf-version 4 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s --check-prefix=DWARF4
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; This is a test for PR21176.
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; DW_OP_const <const> doesn't describe a constant value, but a value at a constant address.
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; The proper way to describe a constant value is DW_OP_constu <const>, DW_OP_stack_value.
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; Generated with clang -S -emit-llvm -g -O2 test.cpp
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; extern int func();
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;
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; int main()
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; {
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; volatile int c = 13;
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; c = func();
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; return c;
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; }
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; DWARF23: Location description: 10 0d {{$}}
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; DWARF4: Location description: 10 0d 9f
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; Function Attrs: uwtable
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define i32 @main() #0 {
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entry:
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%c = alloca i32, align 4
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tail call void @llvm.dbg.value(metadata i32 13, i64 0, metadata !10, metadata !16), !dbg !17
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store volatile i32 13, i32* %c, align 4, !dbg !18
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%call = tail call i32 @_Z4funcv(), !dbg !19
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tail call void @llvm.dbg.value(metadata i32 %call, i64 0, metadata !10, metadata !16), !dbg !17
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store volatile i32 %call, i32* %c, align 4, !dbg !19
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tail call void @llvm.dbg.value(metadata i32* %c, i64 0, metadata !10, metadata !16), !dbg !17
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%c.0.c.0. = load volatile i32, i32* %c, align 4, !dbg !20
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ret i32 %c.0.c.0., !dbg !20
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}
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declare i32 @_Z4funcv() #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!12, !13}
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!llvm.ident = !{!14}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.6.0 (trunk 223522)", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "test.cpp", directory: "/home/kromanova/ngh/ToT_latest/llvm/test/DebugInfo")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DISubprogram(name: "main", line: 3, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 4, file: !1, scope: !5, type: !6, function: i32 ()* @main, variables: !9)
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!5 = !DIFile(filename: "test.cpp", directory: "/home/kromanova/ngh/ToT_latest/llvm/test/DebugInfo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "c", line: 5, scope: !4, file: !5, type: !11)
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!11 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !8)
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!12 = !{i32 2, !"Dwarf Version", i32 2}
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!13 = !{i32 2, !"Debug Info Version", i32 3}
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!14 = !{!"clang version 3.6.0 (trunk 223522)"}
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!15 = !{i32 13}
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!16 = !DIExpression()
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!17 = !DILocation(line: 5, column: 16, scope: !4)
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!18 = !DILocation(line: 5, column: 3, scope: !4)
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!19 = !DILocation(line: 6, column: 7, scope: !4)
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!20 = !DILocation(line: 7, column: 3, scope: !4)
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