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1; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=false < %s | FileCheck --implicit-check-not=.loc %s2; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=true < %s | FileCheck --implicit-check-not=.loc %s3;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:7:156; CHECK: .loc 1 7 3 is_stmt 0 discriminator 2 # foo.c:7:37; CHECK: .loc 1 0 3 # foo.c:0:38; CHECK: .loc 1 9 5 is_stmt 1 discriminator 2 # foo.c:9:59; CHECK: .loc 1 0 5 is_stmt 0 # :0:510; CHECK: .loc 1 9 5 discriminator 2 # foo.c:9:511; CHECK: .loc 1 0 5 # :0:512; CHECK: .loc 1 7 3 is_stmt 1 discriminator 2 # foo.c:7:313; CHECK: .loc 1 14 3 # foo.c:14:314; 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 !824 br i1 %cmp, label %while.end4, label %while.cond1.preheader.lr.ph, !dbg !1025 26while.cond1.preheader.lr.ph:27 %tobool = icmp eq ptr %node, null28 br i1 %tobool, label %while.cond1.preheader.us.preheader, label %while.body2.preheader, !dbg !1129 30while.body2.preheader:31 br label %while.body2, !dbg !1132 33while.cond1.preheader.us.preheader:34 br label %while.cond1.preheader.us, !dbg !1035 36while.cond1.preheader.us:37 br label %while.cond1.preheader.us, !dbg !1038 39while.body2:40 br label %while.body2, !dbg !1141 42while.end4:43 ret i32 0, !dbg !1244}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