1 ; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=false < %s | FileCheck %s --check-prefixes=V0,V01
2 ; RUN: llc -enable-fs-discriminator -improved-fs-discriminator=true < %s | FileCheck %s --check-prefixes=V1,V01
4 ; Check that fs-afdo discriminators are generated.
5 ; V01: .loc 1 7 3 is_stmt 0 discriminator 2 # foo.c:7:3
6 ; V01: .loc 1 9 5 is_stmt 1 discriminator 2 # foo.c:9:5
7 ; V0: .loc 1 9 5 is_stmt 0 discriminator 11266 # foo.c:9:5
8 ; V0: .loc 1 7 3 is_stmt 1 discriminator 11266 # foo.c:7:3
9 ; V1: .loc 1 9 5 is_stmt 0 discriminator 514 # foo.c:9:5
10 ; V1: .loc 1 7 3 is_stmt 1 discriminator 258 # foo.c:7:3
11 ; Check that variable __llvm_fs_discriminator__ is generated.
12 ; V01: .type __llvm_fs_discriminator__,@object # @__llvm_fs_discriminator__
13 ; V01: .section .rodata,"a",@progbits
14 ; V01: .weak __llvm_fs_discriminator__
15 ; V01: __llvm_fs_discriminator__:
17 ; V01: .size __llvm_fs_discriminator__, 1
19 target triple = "x86_64-unknown-linux-gnu"
21 %struct.Node = type { ptr }
23 define i32 @foo(ptr readonly %node, ptr readnone %root) !dbg !6 {
25 %cmp = icmp eq ptr %node, %root, !dbg !8
26 br i1 %cmp, label %while.end4, label %while.cond1.preheader.lr.ph, !dbg !10
28 while.cond1.preheader.lr.ph:
29 %tobool = icmp eq ptr %node, null
30 br i1 %tobool, label %while.cond1.preheader.us.preheader, label %while.body2.preheader, !dbg !11
32 while.body2.preheader:
33 br label %while.body2, !dbg !11
35 while.cond1.preheader.us.preheader:
36 br label %while.cond1.preheader.us, !dbg !10
38 while.cond1.preheader.us:
39 br label %while.cond1.preheader.us, !dbg !10
42 br label %while.body2, !dbg !11
49 !llvm.module.flags = !{!3, !4}
51 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, debugInfoForProfiling: true, emissionKind: LineTablesOnly)
52 !1 = !DIFile(filename: "foo.c", directory: "b/")
54 !3 = !{i32 2, !"Dwarf Version", i32 4}
55 !4 = !{i32 2, !"Debug Info Version", i32 3}
57 !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)
58 !7 = !DISubroutineType(types: !2)
59 !8 = !DILocation(line: 7, column: 15, scope: !9)
60 !9 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 2)
61 !10 = !DILocation(line: 7, column: 3, scope: !9)
62 !11 = !DILocation(line: 9, column: 5, scope: !9)
63 !12 = !DILocation(line: 14, column: 3, scope: !6)