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1; RUN: llc -mtriple=x86_64-unknown-linux-gnu --basic-block-sections=all < %s | FileCheck %s2;3; Verify that AsmPrinter does not optimize debug line directives4; across two distinct sections. Such optimization will lead5; to incorrect debug line number if the memory layout of those6; sections does not strictly mirror the order in the Asm file.7;8; int G;9; void func(int x) {10; if (x) G=0;11; }12;13; Reduced from the above example, the IR has been modified so that14; the store and return instructions have the same DebugLoc; in this15; context, we should see 2 different directives for line #4 with an16; intervening section directive.17;18; CHECK: .loc 0 4 119; CHECK: .section .text.func,"ax",@progbits,unique20; CHECK: .loc 0 4 121 22define void @func(i1 %0) !dbg !8 {23 br i1 %0, label %3, label %224 252: ; preds = %126 store i32 0, ptr null, align 4, !dbg !1227 br label %328 293: ; preds = %2, %130 ret void, !dbg !1231}32 33!llvm.dbg.cu = !{!0}34!llvm.module.flags = !{!6, !7}35 36!0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "clang version 16.0.2", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !2, splitDebugInlining: false, nameTableKind: None)37!1 = !DIFile(filename: "test.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "fd2935e6157b382ad81da17a61f24bb1")38!2 = !{!3}39!3 = !DIGlobalVariableExpression(var: !4, expr: !DIExpression())40!4 = distinct !DIGlobalVariable(name: "G", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)41!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)42!6 = !{i32 7, !"Dwarf Version", i32 5}43!7 = !{i32 2, !"Debug Info Version", i32 3}44!8 = distinct !DISubprogram(name: "func", scope: !1, file: !1, line: 2, type: !9, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !11)45!9 = !DISubroutineType(types: !10)46!10 = !{null}47!11 = !{}48!12 = !DILocation(line: 4, column: 1, scope: !8)49