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1; RUN: llc %s --filetype=obj -o %t2; RUN: llvm-objdump -d %t | FileCheck %s --check-prefixes=OBJ3; RUN: llvm-dwarfdump --debug-line %t | FileCheck %s --check-prefixes=DBG4; RUN: llc %s -o - | FileCheck %s --check-prefixes=ASM5 6; OBJ: 1:{{.*}}nop7 8;; prologue_end goes on start-of-loop, the call to @g.9;; Address Line Column File ISA Discriminator OpIndex Flags10; DBG: 0x0000000000000000 3 0 0 0 0 0 is_stmt11; DBG: 0x0000000000000001 0 0 0 0 0 012; DBG: 0x0000000000000010 5 0 0 0 0 0 is_stmt prologue_end13; DBG: 0x0000000000000017 5 0 0 0 0 0 is_stmt end_sequence14 15; ASM: .loc 0 0 0 is_stmt 016; ASM-NEXT: .L{{.*}}:17; ASM-NEXT: .p2align 418 19;; $ cat test.cpp20;; void g();21;; void f() {22;; [[clang::code_align(16)]]23;; while (1) { g(); }24;; }25 26target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"27target triple = "x86_64-unknown-linux-gnu"28 29define dso_local void @f() local_unnamed_addr !dbg !9 {30entry:31 br label %while.body, !dbg !1232 33while.body: ; preds = %entry, %while.body34 tail call void @g(), !dbg !1235 br label %while.body, !dbg !12, !llvm.loop !1336}37 38declare !dbg !16 void @g() local_unnamed_addr39 40!llvm.dbg.cu = !{!0}41!llvm.module.flags = !{!2, !3}42!llvm.ident = !{!8}43 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)51!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)57