; REQUIRES: object-emission
;
-; RUN: llc -O0 -filetype=obj < %s > %t
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -O0 -filetype=obj < %s > %t
; RUN: llvm-dwarfdump %t | FileCheck %s
; Test case derived from compiling the following source with clang -g:
; foo func(foo f) {
; return f; // reference 'f' for now because otherwise we hit another bug
; }
+;
+; void sink(void*);
+;
+; void func2(bool b, foo g) {
+; if (b)
+; sink(&g); // reference 'f' for now because otherwise we hit another bug
+; }
; }
; CHECK: debug_info contents
+; 0x74 is DW_OP_breg4, showing that the parameter is accessed indirectly
+; (with a zero offset) from the register parameter
+; CHECK: DW_AT_location{{.*}}(<0x0{{.}}> 74 00
+; CHECK-NOT: DW_TAG
; CHECK: DW_AT_name{{.*}} = "f"
-; CHECK: DW_AT_location{{.*}}([[LOC:0x[0-9]*]])
+
+; CHECK: DW_AT_location{{.*}}([[G_LOC:0x[0-9]*]])
+; CHECK-NOT: DW_TAG
+; CHECK: DW_AT_name{{.*}} = "g"
; CHECK: debug_loc contents
-; CHECK-NEXT: [[LOC]]: Beginning
-; CHECK-NEXT: Ending
-; 0x74 is DW_OP_breg0 + 4, showing that the parameter is accessed indirectly
-; (with a zero offset) from the register parameter
+; CHECK-NEXT: [[G_LOC]]: Beginning
+; CHECK-NEXT: Ending
; CHECK-NEXT: Location description: 74 00
%"struct.pr14763::foo" = type { i8 }
; Function Attrs: uwtable
define void @_ZN7pr147634funcENS_3fooE(%"struct.pr14763::foo"* noalias sret %agg.result, %"struct.pr14763::foo"* %f) #0 {
entry:
- call void @llvm.dbg.declare(metadata !{%"struct.pr14763::foo"* %f}, metadata !17), !dbg !20
- call void @_ZN7pr147633fooC1ERKS0_(%"struct.pr14763::foo"* %agg.result, %"struct.pr14763::foo"* %f), !dbg !21
- ret void, !dbg !21
+ call void @llvm.dbg.declare(metadata %"struct.pr14763::foo"* %f, metadata !22, metadata !DIExpression(DW_OP_deref)), !dbg !24
+ call void @_ZN7pr147633fooC1ERKS0_(%"struct.pr14763::foo"* %agg.result, %"struct.pr14763::foo"* %f), !dbg !25
+ ret void, !dbg !25
}
; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata) #1
+declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
declare void @_ZN7pr147633fooC1ERKS0_(%"struct.pr14763::foo"*, %"struct.pr14763::foo"*) #2
+; Function Attrs: uwtable
+define void @_ZN7pr147635func2EbNS_3fooE(i1 zeroext %b, %"struct.pr14763::foo"* %g) #0 {
+entry:
+ %b.addr = alloca i8, align 1
+ %frombool = zext i1 %b to i8
+ store i8 %frombool, i8* %b.addr, align 1
+ call void @llvm.dbg.declare(metadata i8* %b.addr, metadata !26, metadata !DIExpression()), !dbg !27
+ call void @llvm.dbg.declare(metadata %"struct.pr14763::foo"* %g, metadata !28, metadata !DIExpression(DW_OP_deref)), !dbg !27
+ %0 = load i8, i8* %b.addr, align 1, !dbg !29
+ %tobool = trunc i8 %0 to i1, !dbg !29
+ br i1 %tobool, label %if.then, label %if.end, !dbg !29
+
+if.then: ; preds = %entry
+ %1 = bitcast %"struct.pr14763::foo"* %g to i8*, !dbg !31
+ call void @_ZN7pr147634sinkEPv(i8* %1), !dbg !31
+ br label %if.end, !dbg !31
+
+if.end: ; preds = %if.then, %entry
+ ret void, !dbg !32
+}
+
+declare void @_ZN7pr147634sinkEPv(i8*) #2
+
attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind readnone }
attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!21, !33}
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/pass.cpp] [DW_LANG_C_plus_plus]
-!1 = metadata !{metadata !"pass.cpp", metadata !"/tmp"}
-!2 = metadata !{i32 0}
-!3 = metadata !{metadata !4}
-!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"func", metadata !"func", metadata !"_ZN7pr147634funcENS_3fooE", i32 6, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%"struct.pr14763::foo"*, %"struct.pr14763::foo"*)* @_ZN7pr147634funcENS_3fooE, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [func]
-!5 = metadata !{i32 786489, metadata !1, null, metadata !"pr14763", i32 1} ; [ DW_TAG_namespace ] [pr14763] [line 1]
-!6 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!7 = metadata !{metadata !8, metadata !8}
-!8 = metadata !{i32 786451, metadata !1, metadata !5, metadata !"foo", i32 2, i64 8, i64 8, i32 0, i32 0, null, metadata !9, i32 0, null, null} ; [ DW_TAG_structure_type ] [foo] [line 2, size 8, align 8, offset 0] [from ]
-!9 = metadata !{metadata !10}
-!10 = metadata !{i32 786478, metadata !1, metadata !8, metadata !"foo", metadata !"foo", metadata !"", i32 3, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !16, i32 3} ; [ DW_TAG_subprogram ] [line 3] [foo]
-!11 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!12 = metadata !{null, metadata !13, metadata !14}
-!13 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from foo]
-!14 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !15} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
-!15 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo]
-!16 = metadata !{i32 786468}
-!17 = metadata !{i32 786689, metadata !4, metadata !"f", metadata !18, i32 16777222, metadata !19, i32 8192, i32 0} ; [ DW_TAG_arg_variable ] [f] [line 6]
-!18 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/pass.cpp]
-!19 = metadata !{i32 786448, null, null, null, i32 0, i64 0, i64 0, i64 0, i32 0, metadata !8} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from foo]
-!20 = metadata !{i32 6, i32 0, metadata !4, null}
-!21 = metadata !{i32 7, i32 0, metadata !4, null}
+!0 = !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
+!1 = !DIFile(filename: "pass.cpp", directory: "/tmp")
+!2 = !{}
+!3 = !{!4, !17}
+!4 = !DISubprogram(name: "func", linkageName: "_ZN7pr147634funcENS_3fooE", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 6, file: !1, scope: !5, type: !6, function: void (%"struct.pr14763::foo"*, %"struct.pr14763::foo"*)* @_ZN7pr147634funcENS_3fooE, variables: !2)
+!5 = !DINamespace(name: "pr14763", line: 1, file: !1, scope: null)
+!6 = !DISubroutineType(types: !7)
+!7 = !{!8, !8}
+!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "foo", line: 2, size: 8, align: 8, file: !1, scope: !5, elements: !9)
+!9 = !{!10}
+!10 = !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !8, type: !11)
+!11 = !DISubroutineType(types: !12)
+!12 = !{null, !13, !14}
+!13 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !8)
+!14 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !15)
+!15 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !8)
+!17 = !DISubprogram(name: "func2", linkageName: "_ZN7pr147635func2EbNS_3fooE", line: 12, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 12, file: !1, scope: !5, type: !18, function: void (i1, %"struct.pr14763::foo"*)* @_ZN7pr147635func2EbNS_3fooE, variables: !2)
+!18 = !DISubroutineType(types: !19)
+!19 = !{null, !20, !8}
+!20 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
+!21 = !{i32 2, !"Dwarf Version", i32 3}
+!22 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "f", line: 6, arg: 1, scope: !4, file: !23, type: !8)
+!23 = !DIFile(filename: "pass.cpp", directory: "/tmp")
+!24 = !DILocation(line: 6, scope: !4)
+!25 = !DILocation(line: 7, scope: !4)
+!26 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "b", line: 12, arg: 1, scope: !17, file: !23, type: !20)
+!27 = !DILocation(line: 12, scope: !17)
+!28 = !DILocalVariable(tag: DW_TAG_arg_variable, name: "g", line: 12, arg: 2, scope: !17, file: !23, type: !8)
+!29 = !DILocation(line: 13, scope: !30)
+!30 = distinct !DILexicalBlock(line: 13, column: 0, file: !1, scope: !17)
+!31 = !DILocation(line: 14, scope: !30)
+!32 = !DILocation(line: 15, scope: !17)
+!33 = !{i32 1, !"Debug Info Version", i32 3}
projects / oota-llvm.git / blobdiff