xref: /llvm-project/llvm/test/CodeGen/X86/fsafdo_test1.ll (revision 51a29b5f16efab7f46106b6ce14cbfa50d991040) 
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
3;
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 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 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__:
16; V01: .byte   1
17; V01: .size   __llvm_fs_discriminator__, 1
18
19target triple = "x86_64-unknown-linux-gnu"
20
21%struct.Node = type { ptr }
22
23define i32 @foo(ptr readonly %node, ptr readnone %root) !dbg !6 {
24entry:
25  %cmp = icmp eq ptr %node, %root, !dbg !8
26  br i1 %cmp, label %while.end4, label %while.cond1.preheader.lr.ph, !dbg !10
27
28while.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
31
32while.body2.preheader:
33  br label %while.body2, !dbg !11
34
35while.cond1.preheader.us.preheader:
36  br label %while.cond1.preheader.us, !dbg !10
37
38while.cond1.preheader.us:
39  br label %while.cond1.preheader.us, !dbg !10
40
41while.body2:
42  br label %while.body2, !dbg !11
43
44while.end4:
45  ret i32 0, !dbg !12
46}
47
48!llvm.dbg.cu = !{!0}
49!llvm.module.flags = !{!3, !4}
50
51!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, debugInfoForProfiling: true, emissionKind: LineTablesOnly)
52!1 = !DIFile(filename: "foo.c", directory: "b/")
53!2 = !{}
54!3 = !{i32 2, !"Dwarf Version", i32 4}
55!4 = !{i32 2, !"Debug Info Version", i32 3}
56!5 = !{}
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)
64