|  | ; RUN: llc -mtriple x86_64-pc-linux < %s  | FileCheck %s | 
|  |  | 
|  | ; Test that we don't pollute the start of the file with debug sections | 
|  |  | 
|  | ; CHECK:       .text | 
|  | ; CHECK-NEXT: .file	"<stdin>" | 
|  | ; CHECK-NEXT: .globl	f | 
|  | ; CHECK-NEXT: .p2align	4, 0x90 | 
|  | ; CHECK-NEXT: .type	f,@function | 
|  | ; CHECK-NEXT: f:                                      # @f | 
|  |  | 
|  | ; CHECK: .section .debug_str | 
|  |  | 
|  | define void @f() !dbg !4 { | 
|  | ret void, !dbg !9 | 
|  | } | 
|  | !llvm.dbg.cu = !{!0} | 
|  | !llvm.module.flags = !{!7, !8} | 
|  |  | 
|  | !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "foo", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2) | 
|  | !1 = !DIFile(filename: "/foo/test.c", directory: "/foo") | 
|  | !2 = !{} | 
|  | !4 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) | 
|  | !5 = !DISubroutineType(types: !6) | 
|  | !6 = !{null} | 
|  | !7 = !{i32 2, !"Dwarf Version", i32 4} | 
|  | !8 = !{i32 2, !"Debug Info Version", i32 3} | 
|  | !9 = !DILocation(line: 1, column: 15, scope: !4) |