1 ; RUN: opt -S -passes=gvn-hoist < %s | FileCheck %s
3 ; Check that the debug info is dropped as per the debug info update guide
5 @G = external global i32, align 4
8 ; CHECK-NOT: store {{.*}}dbg
9 define void @foo(i32 %c1) !dbg !6 {
11 call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11
12 switch i32 %c1, label %exit1 [
18 store i32 1, ptr @G, align 4, !dbg !12
19 br label %exit, !dbg !13
22 store i32 1, ptr @G, align 4, !dbg !14
23 br label %exit, !dbg !15
25 exit1: ; preds = %entry
26 store i32 1, ptr @G, align 4, !dbg !16
29 exit: ; preds = %sw1, %sw0
33 ; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
34 declare void @llvm.dbg.value(metadata, metadata, metadata) #0
36 attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }
39 !llvm.debugify = !{!3, !4}
40 !llvm.module.flags = !{!5}
42 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
43 !1 = !DIFile(filename: "abc.ll", directory: "/")
47 !5 = !{i32 2, !"Debug Info Version", i32 3}
48 !6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
49 !7 = !DISubroutineType(types: !2)
51 !9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
52 !10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
53 !11 = !DILocation(line: 1, column: 1, scope: !6)
54 !12 = !DILocation(line: 2, column: 1, scope: !6)
55 !13 = !DILocation(line: 3, column: 1, scope: !6)
56 !14 = !DILocation(line: 4, column: 1, scope: !6)
57 !15 = !DILocation(line: 5, column: 1, scope: !6)
58 !16 = !DILocation(line: 6, column: 1, scope: !6)
59 !17 = !DILocation(line: 7, column: 1, scope: !6)
60 !18 = !DILocation(line: 8, column: 1, scope: !6)