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1; REQUIRES: x86_64-linux2; REQUIRES: asserts3; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=false --debug-only=mirfs-discriminators < %s -o - 2>&1 | FileCheck %s --check-prefixes=V04; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=true --debug-only=mirfs-discriminators < %s -o - 2>&1 | FileCheck %s --check-prefixes=V15 6; Check that fs-afdo discriminators are generated.7; V0: foo.c:7:3: add FS discriminator, from 0 -> 112648; V0: foo.c:9:5: add FS discriminator, from 0 -> 112649; V0: Num of FS Discriminators: 210 11; V1: foo.c:7:3: add FS discriminator, from 0 -> 25612; V1: foo.c:9:5: add FS discriminator, from 0 -> 25613; V1: Num of FS Discriminators: 214 15target triple = "x86_64-unknown-linux-gnu"16 17%struct.Node = type { ptr }18 19define i32 @foo(ptr readonly %node, ptr readnone %root) !dbg !6 {20entry:21 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 1, i32 0, i64 -1), !dbg !822 %cmp = icmp eq ptr %node, %root, !dbg !823 br i1 %cmp, label %while.end4, label %while.cond1.preheader.lr.ph, !dbg !1024 25while.cond1.preheader.lr.ph:26 %tobool = icmp eq ptr %node, null27 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg !1128 br i1 %tobool, label %while.cond1.preheader.us.preheader, label %while.body2.preheader, !dbg !1129 30while.body2.preheader:31 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg !1132 br label %while.body2, !dbg !1133 34while.cond1.preheader.us.preheader:35 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1), !dbg !1036 br label %while.cond1.preheader.us, !dbg !1037 38while.cond1.preheader.us:39 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 3, i32 0, i64 -1), !dbg !1040 br label %while.cond1.preheader.us, !dbg !1041 42while.body2:43 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 2, i32 0, i64 -1), !dbg !1144 br label %while.body2, !dbg !1145 46while.end4:47 call void @llvm.pseudoprobe(i64 6699318081062747564, i64 4, i32 0, i64 -1), !dbg !1248 ret i32 0, !dbg !1249}50 51declare void @llvm.pseudoprobe(i64, i64, i32, i64) #052 53attributes #0 = { inaccessiblememonly nocallback nofree nosync nounwind willreturn }54 55!llvm.dbg.cu = !{!0}56!llvm.module.flags = !{!3, !4}57!llvm.pseudo_probe_desc = !{!13}58 59!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, debugInfoForProfiling: true, emissionKind: LineTablesOnly)60!1 = !DIFile(filename: "foo.c", directory: "b/")61!2 = !{}62!3 = !{i32 2, !"Dwarf Version", i32 4}63!4 = !{i32 2, !"Debug Info Version", i32 3}64!5 = !{}65!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)66!7 = !DISubroutineType(types: !2)67!8 = !DILocation(line: 7, column: 15, scope: !9)68;; The discriminator with value 2 is to test that it can be cleaned up by the first FS discriminator pass.69!9 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 2)70!10 = !DILocation(line: 7, column: 3, scope: !9)71!11 = !DILocation(line: 9, column: 5, scope: !9)72!12 = !DILocation(line: 14, column: 3, scope: !6)73!13 = !{i64 6699318081062747564, i64 138464321060, !"foo"}74