diff options
Diffstat (limited to 'test/DebugInfo/dead-argument-order.ll')
-rw-r--r-- | test/DebugInfo/dead-argument-order.ll | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/test/DebugInfo/dead-argument-order.ll b/test/DebugInfo/dead-argument-order.ll deleted file mode 100644 index 2dd556d096d6..000000000000 --- a/test/DebugInfo/dead-argument-order.ll +++ /dev/null @@ -1,81 +0,0 @@ -; REQUIRES: object-emission - -; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s - -; Built from the following source with clang -O1 -; struct S { int i; }; -; int function(struct S s, int i) { return s.i + i; } - -; Due to the X86_64 ABI, 's' is passed in registers and once optimized, the -; entirety of 's' is never reconstituted, since only the int is required, and -; thus the variable's location is unknown/dead to debug info. - -; Future/current work should enable us to describe partial variables, which, in -; this case, happens to be the entire variable. - -; CHECK: DW_TAG_subprogram -; CHECK-NOT: DW_TAG -; CHECK: DW_AT_name {{.*}} "function" -; CHECK-NOT: {{DW_TAG|NULL}} -; CHECK: DW_TAG_formal_parameter -; CHECK-NOT: DW_TAG -; CHECK: DW_AT_name {{.*}} "s" -; CHECK-NOT: DW_TAG -; FIXME: Even though 's' is never reconstituted into a struct, the one member -; variable is still live and used, and so we should be able to describe 's's -; location as the location of that int. -; CHECK-NOT: DW_AT_location -; CHECK-NOT: {{DW_TAG|NULL}} -; CHECK: DW_TAG_formal_parameter -; CHECK-NOT: DW_TAG -; CHECK: DW_AT_location -; CHECK-NOT: DW_TAG -; CHECK: DW_AT_name {{.*}} "i" - - -%struct.S = type { i32 } - -; Function Attrs: nounwind readnone uwtable -define i32 @_Z8function1Si(i32 %s.coerce, i32 %i) #0 { -entry: - tail call void @llvm.dbg.declare(metadata %struct.S* undef, metadata !14, metadata !DIExpression()), !dbg !20 - tail call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !15, metadata !DIExpression()), !dbg !20 - %add = add nsw i32 %i, %s.coerce, !dbg !20 - ret i32 %add, !dbg !20 -} - -; Function Attrs: nounwind readnone -declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 - -; Function Attrs: nounwind readnone -declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 - -attributes #0 = { nounwind readnone 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" } -attributes #1 = { nounwind readnone } - -!llvm.dbg.cu = !{!0} -!llvm.module.flags = !{!16, !17} -!llvm.ident = !{!18} - -!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !8, globals: !2, imports: !2) -!1 = !DIFile(filename: "dead-argument-order.cpp", directory: "/tmp/dbginfo") -!2 = !{} -!3 = !{!4} -!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "S", line: 1, size: 32, align: 32, file: !1, elements: !5, identifier: "_ZTS1S") -!5 = !{!6} -!6 = !DIDerivedType(tag: DW_TAG_member, name: "i", line: 1, size: 32, align: 32, file: !1, scope: !"_ZTS1S", baseType: !7) -!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) -!8 = !{!9} -!9 = !DISubprogram(name: "function", linkageName: "_Z8function1Si", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 2, file: !1, scope: !10, type: !11, function: i32 (i32, i32)* @_Z8function1Si, variables: !13) -!10 = !DIFile(filename: "dead-argument-order.cpp", directory: "/tmp/dbginfo") -!11 = !DISubroutineType(types: !12) -!12 = !{!7, !4, !7} -!13 = !{!14, !15} -!14 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "s", line: 2, arg: 1, scope: !9, file: !10, type: !"_ZTS1S") -!15 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "i", line: 2, arg: 2, scope: !9, file: !10, type: !7) -!16 = !{i32 2, !"Dwarf Version", i32 4} -!17 = !{i32 2, !"Debug Info Version", i32 3} -!18 = !{!"clang version 3.5.0 "} -!19 = !{%struct.S* undef} -!20 = !DILocation(line: 2, scope: !9) - |