You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
2.1 KiB
60 lines
2.1 KiB
4 months ago
|
; Test DBG_LABEL MachineInstr for label debugging.
|
||
|
|
; REQUIRES: asserts
|
||
|
|
; RUN: llc -debug-only=isel %s -o /dev/null 2> %t.debug
|
||
|
|
; RUN: cat %t.debug | FileCheck %s --check-prefix=CHECKMI
|
||
|
|
;
|
||
|
|
; CHECKMI: DBG_LABEL "top", debug-location !9
|
||
|
|
; CHECKMI: DBG_LABEL "done", debug-location !11
|
||
|
|
;
|
||
|
|
; RUN: llc %s -o - | FileCheck %s --check-prefix=CHECKASM
|
||
|
|
;
|
||
|
|
; CHECKASM: DEBUG_LABEL: foo:top
|
||
|
|
; CHECKASM: DEBUG_LABEL: foo:done
|
||
|
|
|
||
|
|
source_filename = "debug-label-mi.c"
|
||
|
|
|
||
|
|
; Function Attrs: noinline nounwind optnone
|
||
|
|
define i32 @foo(i32 signext %a, i32 signext %b) #0 !dbg !4 {
|
||
|
|
entry:
|
||
|
|
%a.addr = alloca i32, align 4
|
||
|
|
%b.addr = alloca i32, align 4
|
||
|
|
%sum = alloca i32, align 4
|
||
|
|
store i32 %a, i32* %a.addr, align 4
|
||
|
|
store i32 %b, i32* %b.addr, align 4
|
||
|
|
br label %top
|
||
|
|
|
||
|
|
top: ; preds = %entry
|
||
|
|
call void @llvm.dbg.label(metadata !8), !dbg !9
|
||
|
|
%0 = load i32, i32* %a.addr, align 4
|
||
|
|
%1 = load i32, i32* %b.addr, align 4
|
||
|
|
%add = add nsw i32 %0, %1
|
||
|
|
store i32 %add, i32* %sum, align 4
|
||
|
|
br label %done
|
||
|
|
|
||
|
|
done: ; preds = %top
|
||
|
|
call void @llvm.dbg.label(metadata !10), !dbg !11
|
||
|
|
%2 = load i32, i32* %sum, align 4
|
||
|
|
ret i32 %2
|
||
|
|
}
|
||
|
|
|
||
|
|
; Function Attrs: nounwind readnone speculatable
|
||
|
|
declare void @llvm.dbg.label(metadata)
|
||
|
|
|
||
|
|
attributes #0 = { noinline nounwind optnone uwtable }
|
||
|
|
|
||
|
|
!llvm.dbg.cu = !{!0}
|
||
|
|
!llvm.module.flags = !{!3}
|
||
|
|
|
||
|
|
!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, emissionKind: FullDebug, enums: !2)
|
||
|
|
!1 = !DIFile(filename: "debug-label-mi.c", directory: "./")
|
||
|
|
!2 = !{}
|
||
|
|
!3 = !{i32 2, !"Debug Info Version", i32 3}
|
||
|
|
!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, retainedNodes: !2)
|
||
|
|
!5 = !DISubroutineType(types: !6)
|
||
|
|
!6 = !{!7, !7, !7}
|
||
|
|
!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
|
||
|
|
!8 = !DILabel(scope: !4, name: "top", file: !1, line: 4)
|
||
|
|
!9 = !DILocation(line: 4, column: 1, scope: !4)
|
||
|
|
!10 = !DILabel(scope: !4, name: "done", file: !1, line: 7)
|
||
|
|
!11 = !DILocation(line: 7, column: 1, scope: !4)
|