1; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=false < %s | FileCheck --implicit-check-not=.loc %s 2; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=true < %s | FileCheck --implicit-check-not=.loc %s 3; 4; Check that fs-afdo discriminators are NOT generated, as debugInfoForProfiling is false (not set). 5; CHECK: .loc 1 7 15 prologue_end discriminator 2 # foo.c:7:15 6; CHECK: .loc 1 7 3 is_stmt 0 discriminator 2 # foo.c:7:3 7; CHECK: .loc 1 0 3 # foo.c:0:3 8; CHECK: .loc 1 9 5 is_stmt 1 discriminator 2 # foo.c:9:5 9; CHECK: .loc 1 0 5 is_stmt 0 # :0:5 10; CHECK: .loc 1 9 5 discriminator 2 # foo.c:9:5 11; CHECK: .loc 1 0 5 # :0:5 12; CHECK: .loc 1 7 3 is_stmt 1 discriminator 2 # foo.c:7:3 13; CHECK: .loc 1 14 3 # foo.c:14:3 14; Check that variable __llvm_fs_discriminator__ is NOT generated. 15; CHECK-NOT: __llvm_fs_discriminator__: 16 17target triple = "x86_64-unknown-linux-gnu" 18 19%struct.Node = type { ptr } 20 21define i32 @foo(ptr readonly %node, ptr readnone %root) !dbg !6 { 22entry: 23 %cmp = icmp eq ptr %node, %root, !dbg !8 24 br i1 %cmp, label %while.end4, label %while.cond1.preheader.lr.ph, !dbg !10 25 26while.cond1.preheader.lr.ph: 27 %tobool = icmp eq ptr %node, null 28 br i1 %tobool, label %while.cond1.preheader.us.preheader, label %while.body2.preheader, !dbg !11 29 30while.body2.preheader: 31 br label %while.body2, !dbg !11 32 33while.cond1.preheader.us.preheader: 34 br label %while.cond1.preheader.us, !dbg !10 35 36while.cond1.preheader.us: 37 br label %while.cond1.preheader.us, !dbg !10 38 39while.body2: 40 br label %while.body2, !dbg !11 41 42while.end4: 43 ret i32 0, !dbg !12 44} 45 46!llvm.dbg.cu = !{!0} 47!llvm.module.flags = !{!3, !4} 48 49!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, emissionKind: LineTablesOnly) 50!1 = !DIFile(filename: "foo.c", directory: "b/") 51!2 = !{} 52!3 = !{i32 2, !"Dwarf Version", i32 4} 53!4 = !{i32 2, !"Debug Info Version", i32 3} 54!5 = !{} 55!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 5, type: !7, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) 56!7 = !DISubroutineType(types: !2) 57!8 = !DILocation(line: 7, column: 15, scope: !9) 58!9 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 2) 59!10 = !DILocation(line: 7, column: 3, scope: !9) 60!11 = !DILocation(line: 9, column: 5, scope: !9) 61!12 = !DILocation(line: 14, column: 3, scope: !6) 62