| ; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s |
| |
| ; bool f(); |
| ; inline __attribute__((always_inline)) int f1() { |
| ; if (bool b = f()) |
| ; return 1; |
| ; return 2; |
| ; } |
| ; |
| ; inline __attribute__((always_inline)) int f2() { |
| ; # 2 "y.cc" |
| ; if (bool b = f()) |
| ; return 3; |
| ; return 4; |
| ; } |
| ; |
| ; int main() { |
| ; f1(); |
| ; f2(); |
| ; } |
| |
| ; Ensure that lexical_blocks within inlined_subroutines are preserved/emitted. |
| ; CHECK: DW_TAG_inlined_subroutine |
| ; CHECK-NOT: DW_TAG |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_lexical_block |
| ; CHECK-NOT: DW_TAG |
| ; CHECK-NOT: NULL |
| ; CHECK: DW_TAG_variable |
| ; Ensure that file changes don't interfere with creating inlined subroutines. |
| ; (see the line directive inside 'f2' in thesource) |
| ; CHECK: DW_TAG_inlined_subroutine |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NOT: DW_TAG |
| ; CHECK: DW_AT_abstract_origin |
| |
| ; Function Attrs: uwtable |
| define i32 @main() #0 !dbg !4 { |
| entry: |
| %retval.i2 = alloca i32, align 4 |
| %b.i3 = alloca i8, align 1 |
| %retval.i = alloca i32, align 4 |
| %b.i = alloca i8, align 1 |
| call void @llvm.dbg.declare(metadata i8* %b.i, metadata !16, metadata !DIExpression()), !dbg !19 |
| %call.i = call zeroext i1 @_Z1fv(), !dbg !19 |
| %frombool.i = zext i1 %call.i to i8, !dbg !19 |
| store i8 %frombool.i, i8* %b.i, align 1, !dbg !19 |
| %0 = load i8, i8* %b.i, align 1, !dbg !19 |
| %tobool.i = trunc i8 %0 to i1, !dbg !19 |
| br i1 %tobool.i, label %if.then.i, label %if.end.i, !dbg !19 |
| |
| if.then.i: ; preds = %entry |
| store i32 1, i32* %retval.i, !dbg !21 |
| br label %_Z2f1v.exit, !dbg !21 |
| |
| if.end.i: ; preds = %entry |
| store i32 2, i32* %retval.i, !dbg !22 |
| br label %_Z2f1v.exit, !dbg !22 |
| |
| _Z2f1v.exit: ; preds = %if.then.i, %if.end.i |
| %1 = load i32, i32* %retval.i, !dbg !23 |
| call void @llvm.dbg.declare(metadata i8* %b.i3, metadata !24, metadata !DIExpression()), !dbg !27 |
| %call.i4 = call zeroext i1 @_Z1fv(), !dbg !27 |
| %frombool.i5 = zext i1 %call.i4 to i8, !dbg !27 |
| store i8 %frombool.i5, i8* %b.i3, align 1, !dbg !27 |
| %2 = load i8, i8* %b.i3, align 1, !dbg !27 |
| %tobool.i6 = trunc i8 %2 to i1, !dbg !27 |
| br i1 %tobool.i6, label %if.then.i7, label %if.end.i8, !dbg !27 |
| |
| if.then.i7: ; preds = %_Z2f1v.exit |
| store i32 3, i32* %retval.i2, !dbg !29 |
| br label %_Z2f2v.exit, !dbg !29 |
| |
| if.end.i8: ; preds = %_Z2f1v.exit |
| store i32 4, i32* %retval.i2, !dbg !30 |
| br label %_Z2f2v.exit, !dbg !30 |
| |
| _Z2f2v.exit: ; preds = %if.then.i7, %if.end.i8 |
| %3 = load i32, i32* %retval.i2, !dbg !31 |
| ret i32 0, !dbg !32 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| declare zeroext i1 @_Z1fv() #2 |
| |
| attributes #0 = { uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "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 } |
| attributes #2 = { "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!13, !14} |
| !llvm.ident = !{!15} |
| |
| !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) |
| !1 = !DIFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !5, scope: !6, type: !7, retainedNodes: !2) |
| !5 = !DIFile(filename: "y.cc", directory: "/tmp/dbginfo") |
| !6 = !DIFile(filename: "y.cc", directory: "/tmp/dbginfo") |
| !7 = !DISubroutineType(types: !8) |
| !8 = !{!9} |
| !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !10 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !1, scope: !11, type: !7, retainedNodes: !2) |
| !11 = !DIFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo") |
| !12 = distinct !DISubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !11, type: !7, retainedNodes: !2) |
| !13 = !{i32 2, !"Dwarf Version", i32 4} |
| !14 = !{i32 1, !"Debug Info Version", i32 3} |
| !15 = !{!"clang version 3.5.0 "} |
| !16 = !DILocalVariable(name: "b", line: 3, scope: !17, file: !11, type: !18) |
| !17 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !12) |
| !18 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean) |
| !19 = !DILocation(line: 3, scope: !17, inlinedAt: !20) |
| !20 = !DILocation(line: 8, scope: !4) |
| !21 = !DILocation(line: 4, scope: !17, inlinedAt: !20) |
| !22 = !DILocation(line: 5, scope: !12, inlinedAt: !20) |
| !23 = !DILocation(line: 6, scope: !12, inlinedAt: !20) |
| !24 = !DILocalVariable(name: "b", line: 2, scope: !25, file: !6, type: !18) |
| !25 = distinct !DILexicalBlock(line: 2, column: 0, file: !5, scope: !26) |
| !26 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !10) |
| !27 = !DILocation(line: 2, scope: !25, inlinedAt: !28) |
| !28 = !DILocation(line: 9, scope: !4) |
| !29 = !DILocation(line: 3, scope: !25, inlinedAt: !28) |
| !30 = !DILocation(line: 4, scope: !26, inlinedAt: !28) |
| !31 = !DILocation(line: 5, scope: !26, inlinedAt: !28) |
| !32 = !DILocation(line: 10, scope: !4) |