; RUN: opt -passes=hotcoldsplit -hotcoldsplit-threshold=-1 -S %s | FileCheck %s ; RUN: opt --try-experimental-debuginfo-iterators -passes=hotcoldsplit -hotcoldsplit-threshold=-1 -S %s | FileCheck %s declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) ; CHECK: define void @foo ; CHECK-NOT: dbg.assign ; CHECK: call void @foo.cold ; CHECK-NOT: dbg.assign ; CHECK: define internal void @foo.cold ; CHECK-NOT: dbg.assign define void @foo() !dbg !10 { %buf.i = alloca i32, align 4, !DIAssignID !8 br i1 false, label %if.else, label %if.then if.then: ; preds = %0 call void @llvm.dbg.assign(metadata i1 undef, metadata !9, metadata !DIExpression(), metadata !8, metadata ptr %buf.i, metadata !DIExpression()), !dbg !14 unreachable if.else: ; preds = %0 ret void } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!3} !0 = distinct !DICompileUnit(language: DW_LANG_C11, file: !1, producer: "blah", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2) !1 = !DIFile(filename: "blah", directory: "blah") !2 = !{} !3 = !{i32 2, !"Debug Info Version", i32 3} !6 = distinct !DISubroutineType(types: !7) !7 = !{null} !8 = distinct !DIAssignID() !9 = !DILocalVariable(name: "buf", scope: !10, file: !1, line: 1774, type: !13) !10 = distinct !DISubprogram(name: "blah", scope: !1, file: !1, line: 1771, type: !11, scopeLine: 1773, unit: !0, retainedNodes: !2) !11 = !DISubroutineType(cc: DW_CC_nocall, types: !7) !13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_unsigned_char) !14 = !DILocation(line: 0, scope: !10)