1; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s 2 3; Check that llvm.loop metadata extracted by CodeExtractor is updated so that 4; the debug locations it contains have the right scope. 5 6target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 7target triple = "x86_64-apple-macosx10.14.0" 8 9; CHECK-LABEL: define {{.*}}@basic.cold.1 10; CHECK: br i1 {{.*}}, !llvm.loop [[LOOP_MD:![0-9]+]] 11 12; The scope for these debug locations should be @basic.cold.1, not @basic. 13; CHECK: [[SCOPE:![0-9]+]] = distinct !DISubprogram(name: "basic.cold.1" 14; CHECK: [[LOOP_MD]] = distinct !{[[LOOP_MD]], [[LINE:![0-9]+]], [[LINE]]} 15; CHECK: [[LINE]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]]) 16 17define void @basic(i32* %p, i32 %k) !dbg !6 { 18entry: 19 %cmp3 = icmp slt i32 0, %k 20 br i1 %cmp3, label %for.body.lr.ph, label %for.end 21 22for.body.lr.ph: ; preds = %entry 23 br label %for.body 24 25for.body: ; preds = %for.body.lr.ph, %for.body 26 %i.05 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ] 27 %p.addr.04 = phi i32* [ %p, %for.body.lr.ph ], [ %incdec.ptr, %for.body ] 28 %incdec.ptr = getelementptr inbounds i32, i32* %p.addr.04, i32 1 29 store i32 %i.05, i32* %p.addr.04, align 4 30 %inc = add nsw i32 %i.05, 1 31 call void @sink() 32 %cmp = icmp slt i32 %inc, %k 33 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge, !llvm.loop !10 34 35for.cond.for.end_crit_edge: ; preds = %for.body 36 br label %for.end 37 38for.end: ; preds = %for.cond.for.end_crit_edge, %entry 39 ret void 40} 41 42declare void @sink() cold 43 44!llvm.dbg.cu = !{!0} 45!llvm.debugify = !{!3, !4} 46!llvm.module.flags = !{!5} 47 48!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) 49!1 = !DIFile(filename: "<stdin>", directory: "/") 50!2 = !{} 51!3 = !{i32 22} 52!4 = !{i32 12} 53!5 = !{i32 2, !"Debug Info Version", i32 3} 54!6 = distinct !DISubprogram(name: "basic", linkageName: "basic", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8) 55!7 = !DISubroutineType(types: !2) 56!8 = !{} 57!9 = !DILocation(line: 1, column: 1, scope: !6) 58!10 = distinct !{!10, !9, !9} 59