1 ; RUN: llc %s --filetype=obj -o %t
2 ; RUN: llvm-objdump -d %t | FileCheck %s --check-prefixes=OBJ
3 ; RUN: llvm-dwarfdump --debug-line %t | FileCheck %s --check-prefixes=DBG
4 ; RUN: llc %s -o - | FileCheck %s --check-prefixes=ASM
8 ;; prologue_end goes on start-of-loop, the call to @g.
9 ;; Address Line Column File ISA Discriminator OpIndex Flags
10 ; DBG: 0x0000000000000000 3 0 0 0 0 0 is_stmt
11 ; DBG: 0x0000000000000001 0 0 0 0 0 0
12 ; DBG: 0x0000000000000010 5 0 0 0 0 0 is_stmt prologue_end
13 ; DBG: 0x0000000000000017 5 0 0 0 0 0 is_stmt end_sequence
15 ; ASM: .loc 0 0 0 is_stmt 0
17 ; ASM-NEXT: .p2align 4
22 ;; [[clang::code_align(16)]]
26 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
27 target triple = "x86_64-unknown-linux-gnu"
29 define dso_local void @f() local_unnamed_addr !dbg !9 {
31 br label %while.body, !dbg !12
33 while.body: ; preds = %entry, %while.body
34 tail call void @g(), !dbg !12
35 br label %while.body, !dbg !12, !llvm.loop !13
38 declare !dbg !16 void @g() local_unnamed_addr
41 !llvm.module.flags = !{!2, !3}
44 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 19.0.0git", isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None)
45 !1 = !DIFile(filename: "test.cpp", directory: "/")
46 !2 = !{i32 7, !"Dwarf Version", i32 5}
47 !3 = !{i32 2, !"Debug Info Version", i32 3}
48 !8 = !{!"clang version 19.0.0git"}
49 !9 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 3, type: !10, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0)
50 !10 = !DISubroutineType(types: !11)
52 !12 = !DILocation(line: 5, scope: !9)
53 !13 = distinct !{!13, !12, !12, !14, !15}
54 !14 = !{!"llvm.loop.mustprogress"}
55 !15 = !{!"llvm.loop.align", i32 16}
56 !16 = !DISubprogram(name: "g", scope: !1, file: !1, line: 2, type: !10, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized)