xref: /llvm-project/llvm/test/Transforms/CodeGenPrepare/debug-info-on-skipped-selects.ll (revision 094572701dce4aaf36f4521d6cf750420d39f206) 
1; RUN: llc %s -stop-after=codegenprepare -o - | FileCheck %s
2; RUN: llc %s -stop-after=codegenprepare -o - --try-experimental-debuginfo-iterators | FileCheck %s
3; REQUIRES: x86-registered-target
4;
5; Test that when we skip over multiple selects in CGP, that the debug-info
6; attached to those selects is still fixed up.
7
8; CHECK: #dbg_value(ptr %sunkaddr,
9
10source_filename = "reduced.ll"
11target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
12target triple = "x86_64-unknown-linux-gnu"
13
14%"class.(anonymous namespace)::CFIInstrInserter" = type { ptr, ptr, ptr, ptr }
15
16; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
17declare void @llvm.dbg.value(metadata, metadata, metadata) #0
18
19define i1 @_ZN12_GLOBAL__N_116CFIInstrInserter20runOnMachineFunctionERN4llvm15MachineFunctionE(ptr %this, i1 %or.cond.i) !dbg !5 {
20entry:
21  %CSRLocMap.i = getelementptr %"class.(anonymous namespace)::CFIInstrInserter", ptr %this, i64 0, i32 2, !dbg !16
22  %bf.load.i.i.i.i = load i32, ptr %CSRLocMap.i, align 8, !dbg !17
23  br i1 %or.cond.i, label %_ZN4llvm12DenseMapBaseINS_13SmallDenseMapIjN12_GLOBAL__N_116CFIInstrInserter16CSRSavedLocationELj16ENS_12DenseMapInfoIjvEENS_6detail12DenseMapPairIjS4_EEEEjS4_S6_S9_E5clearEv.exit.i, label %if.end.i.i, !dbg !18
24
25if.end.i.i:                                       ; preds = %entry
26  store ptr null, ptr null, align 8, !dbg !19
27  %bf.load.i.i.i.pre.i.i.i.i.i = load i32, ptr %CSRLocMap.i, align 8, !dbg !20
28  %cond.i.i.i.i.i.i.i.i.i = select i1 false, ptr null, ptr null, !dbg !21
29  tail call void @llvm.dbg.value(metadata ptr %CSRLocMap.i, metadata !14, metadata !DIExpression()), !dbg !21
30  %cond.i.i.i7.i.i.i.i.i.i = select i1 false, i32 0, i32 0, !dbg !22
31  br label %_ZN4llvm12DenseMapBaseINS_13SmallDenseMapIjN12_GLOBAL__N_116CFIInstrInserter16CSRSavedLocationELj16ENS_12DenseMapInfoIjvEENS_6detail12DenseMapPairIjS4_EEEEjS4_S6_S9_E5clearEv.exit.i, !dbg !23
32
33_ZN4llvm12DenseMapBaseINS_13SmallDenseMapIjN12_GLOBAL__N_116CFIInstrInserter16CSRSavedLocationELj16ENS_12DenseMapInfoIjvEENS_6detail12DenseMapPairIjS4_EEEEjS4_S6_S9_E5clearEv.exit.i: ; preds = %if.end.i.i, %entry
34  ret i1 false, !dbg !24
35}
36
37attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
38
39!llvm.module.flags = !{!0}
40!llvm.dbg.cu = !{!1}
41!llvm.debugify = !{!3, !4}
42
43!0 = !{i32 2, !"Debug Info Version", i32 3}
44!1 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
45!2 = !DIFile(filename: "reduced.ll", directory: "/")
46!3 = !{i32 9}
47!4 = !{i32 5}
48!5 = distinct !DISubprogram(name: "_ZN12_GLOBAL__N_116CFIInstrInserter20runOnMachineFunctionERN4llvm15MachineFunctionE", linkageName: "_ZN12_GLOBAL__N_116CFIInstrInserter20runOnMachineFunctionERN4llvm15MachineFunctionE", scope: null, file: !2, line: 1, type: !6, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !1, retainedNodes: !8)
49!6 = !DISubroutineType(types: !7)
50!7 = !{}
51!8 = !{!9, !11, !13, !14, !15}
52!9 = !DILocalVariable(name: "1", scope: !5, file: !2, line: 1, type: !10)
53!10 = !DIBasicType(name: "ty64", size: 64, encoding: DW_ATE_unsigned)
54!11 = !DILocalVariable(name: "2", scope: !5, file: !2, line: 2, type: !12)
55!12 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
56!13 = !DILocalVariable(name: "3", scope: !5, file: !2, line: 5, type: !12)
57!14 = !DILocalVariable(name: "4", scope: !5, file: !2, line: 6, type: !10)
58!15 = !DILocalVariable(name: "5", scope: !5, file: !2, line: 7, type: !12)
59!16 = !DILocation(line: 1, column: 1, scope: !5)
60!17 = !DILocation(line: 2, column: 1, scope: !5)
61!18 = !DILocation(line: 3, column: 1, scope: !5)
62!19 = !DILocation(line: 4, column: 1, scope: !5)
63!20 = !DILocation(line: 5, column: 1, scope: !5)
64!21 = !DILocation(line: 6, column: 1, scope: !5)
65!22 = !DILocation(line: 7, column: 1, scope: !5)
66!23 = !DILocation(line: 8, column: 1, scope: !5)
67!24 = !DILocation(line: 9, column: 1, scope: !5)
68