forked from OSchip/llvm-project
131 lines
5.9 KiB
LLVM
131 lines
5.9 KiB
LLVM
; REQUIRES: object-emission
|
|
|
|
; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=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 {
|
|
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 !MDExpression()), !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 !MDExpression()), !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" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "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 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2)
|
|
!1 = !MDFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo")
|
|
!2 = !{}
|
|
!3 = !{!4, !10, !12}
|
|
!4 = !MDSubprogram(name: "main", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !5, scope: !6, type: !7, function: i32 ()* @main, variables: !2)
|
|
!5 = !MDFile(filename: "y.cc", directory: "/tmp/dbginfo")
|
|
!6 = !MDFile(filename: "y.cc", directory: "/tmp/dbginfo")
|
|
!7 = !MDSubroutineType(types: !8)
|
|
!8 = !{!9}
|
|
!9 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
|
|
!10 = !MDSubprogram(name: "f2", linkageName: "_Z2f2v", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !1, scope: !11, type: !7, variables: !2)
|
|
!11 = !MDFile(filename: "inline-scopes.cpp", directory: "/tmp/dbginfo")
|
|
!12 = !MDSubprogram(name: "f1", linkageName: "_Z2f1v", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !11, type: !7, variables: !2)
|
|
!13 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!14 = !{i32 1, !"Debug Info Version", i32 3}
|
|
!15 = !{!"clang version 3.5.0 "}
|
|
!16 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 3, scope: !17, file: !11, type: !18)
|
|
!17 = distinct !MDLexicalBlock(line: 3, column: 0, file: !1, scope: !12)
|
|
!18 = !MDBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
|
|
!19 = !MDLocation(line: 3, scope: !17, inlinedAt: !20)
|
|
!20 = !MDLocation(line: 8, scope: !4)
|
|
!21 = !MDLocation(line: 4, scope: !17, inlinedAt: !20)
|
|
!22 = !MDLocation(line: 5, scope: !12, inlinedAt: !20)
|
|
!23 = !MDLocation(line: 6, scope: !12, inlinedAt: !20)
|
|
!24 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "b", line: 2, scope: !25, file: !6, type: !18)
|
|
!25 = distinct !MDLexicalBlock(line: 2, column: 0, file: !5, scope: !26)
|
|
!26 = !MDLexicalBlockFile(discriminator: 0, file: !5, scope: !10)
|
|
!27 = !MDLocation(line: 2, scope: !25, inlinedAt: !28)
|
|
!28 = !MDLocation(line: 9, scope: !4)
|
|
!29 = !MDLocation(line: 3, scope: !25, inlinedAt: !28)
|
|
!30 = !MDLocation(line: 4, scope: !26, inlinedAt: !28)
|
|
!31 = !MDLocation(line: 5, scope: !26, inlinedAt: !28)
|
|
!32 = !MDLocation(line: 10, scope: !4)
|