84 lines
3.2 KiB
LLVM
84 lines
3.2 KiB
LLVM
; RUN: llc -filetype=obj < %s | llvm-dwarfdump -v - | FileCheck %s
|
|
; Generated at -O2 from:
|
|
; bool c();
|
|
; void f();
|
|
; bool start() {
|
|
; bool result = c();
|
|
; if (!c()) {
|
|
; result = false;
|
|
; goto exit;
|
|
; }
|
|
; f();
|
|
; result = true;
|
|
; exit:
|
|
; return result;
|
|
; }
|
|
;
|
|
; The constant should NOT be available for the entire function.
|
|
; CHECK-NOT: DW_AT_const_value
|
|
; CHECK: .debug_loc contents:
|
|
; CHECK-NEXT: 0x00000000:
|
|
; CHECK-NEXT: {{.*}}: DW_OP_lit1, DW_OP_stack_value
|
|
|
|
source_filename = "test.ii"
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
target triple = "x86_64-apple-macosx10.12.0"
|
|
|
|
; Function Attrs: noimplicitfloat noredzone nounwind optsize
|
|
define zeroext i1 @_Z5startv() local_unnamed_addr #0 !dbg !7 {
|
|
entry:
|
|
%call = tail call zeroext i1 @_Z1cv() #3, !dbg !13
|
|
%call1 = tail call zeroext i1 @_Z1cv() #3, !dbg !14
|
|
br i1 %call1, label %if.end, label %exit, !dbg !16
|
|
|
|
if.end: ; preds = %entry
|
|
tail call void @_Z1fv() #3, !dbg !17
|
|
tail call void @llvm.dbg.value(metadata i8 1, metadata !12, metadata !18), !dbg !19
|
|
br label %exit, !dbg !20
|
|
|
|
exit: ; preds = %entry, %if.end
|
|
%result.0 = phi i1 [ true, %if.end ], [ false, %entry ]
|
|
ret i1 %result.0, !dbg !21
|
|
}
|
|
|
|
; Function Attrs: noimplicitfloat noredzone optsize
|
|
declare zeroext i1 @_Z1cv() local_unnamed_addr #1
|
|
|
|
; Function Attrs: noimplicitfloat noredzone optsize
|
|
declare void @_Z1fv() local_unnamed_addr #1
|
|
|
|
; Function Attrs: nounwind readnone speculatable
|
|
declare void @llvm.dbg.value(metadata, metadata, metadata) #2
|
|
|
|
attributes #0 = { noimplicitfloat noredzone nounwind optsize }
|
|
attributes #1 = { noimplicitfloat noredzone optsize }
|
|
attributes #2 = { nounwind readnone speculatable }
|
|
attributes #3 = { nobuiltin noimplicitfloat noredzone nounwind optsize }
|
|
|
|
!llvm.dbg.cu = !{!0}
|
|
!llvm.module.flags = !{!3, !4, !5}
|
|
!llvm.ident = !{!6}
|
|
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
|
|
!1 = !DIFile(filename: "test.ii", directory: "/")
|
|
!2 = !{}
|
|
!3 = !{i32 2, !"Dwarf Version", i32 4}
|
|
!4 = !{i32 2, !"Debug Info Version", i32 3}
|
|
!5 = !{i32 1, !"wchar_size", i32 4}
|
|
!6 = !{!"clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)"}
|
|
!7 = distinct !DISubprogram(name: "start", linkageName: "_Z5startv", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
|
|
!8 = !DISubroutineType(types: !9)
|
|
!9 = !{!10}
|
|
!10 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
|
|
!11 = !{!12}
|
|
!12 = !DILocalVariable(name: "result", scope: !7, file: !1, line: 4, type: !10)
|
|
!13 = !DILocation(line: 4, column: 17, scope: !7)
|
|
!14 = !DILocation(line: 5, column: 8, scope: !15)
|
|
!15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7)
|
|
!16 = !DILocation(line: 5, column: 7, scope: !7)
|
|
!17 = !DILocation(line: 9, column: 3, scope: !7)
|
|
!18 = !DIExpression()
|
|
!19 = !DILocation(line: 4, column: 8, scope: !7)
|
|
!20 = !DILocation(line: 10, column: 3, scope: !7)
|
|
!21 = !DILocation(line: 12, column: 3, scope: !7)
|