1; RUN: llc -O0 -stop-before=livedebugvalues < %s | FileCheck %s 2 3; ModuleID = '/tmp/t.o' 4source_filename = "/tmp/t.o" 5target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128" 6target triple = "arm64-apple-macosx11.0.0" 7 8define swiftcc void @"$s1t1f1bySb_tF"(i1 %0) !dbg !35 { 9 %2 = alloca i1, align 8 10 %3 = bitcast ptr %2 to ptr 11 call void @llvm.memset.p0.i64(ptr align 8 %3, i8 0, i64 1, i1 false) 12 store i1 %0, ptr %2, align 8, !dbg !37 13; CHECK: B %[[BB4:bb\.[0-9]+]], debug-location !{{[0-9]+}} 14 br i1 %0, label %4, label %5, !dbg !38 15 164: ; preds = %1 17; CHECK: [[BB4]] 18; Check that at -O0 the branches and their debug locations are not eliminated. 19; CHECK: B %[[BB6:bb\.[0-9]+]], debug-location !{{[0-9]+}} 20 br label %6, !dbg !39 21 225: ; preds = %1 23; CHECK: B %[[BB6]], debug-location !{{[0-9]+}} 24 br label %6, !dbg !40 25 266: ; preds = %4, %5 27 ret void, !dbg !39 28} 29 30; Function Attrs: argmemonly nofree nosync nounwind willreturn writeonly 31declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1 32attributes #1 = { argmemonly nofree nosync nounwind willreturn writeonly } 33 34!llvm.module.flags = !{!6, !7, !14} 35!llvm.dbg.cu = !{!15, !27} 36 37!6 = !{i32 7, !"Dwarf Version", i32 4} 38!7 = !{i32 2, !"Debug Info Version", i32 3} 39!14 = !{i32 1, !"Swift Version", i32 7} 40!15 = distinct !DICompileUnit(language: DW_LANG_Swift, file: !16, producer: "Swift", emissionKind: LineTablesOnly) 41!16 = !DIFile(filename: "t.swift", directory: "/tmp") 42!17 = !{} 43!27 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !16, emissionKind: LineTablesOnly) 44!35 = distinct !DISubprogram(name: "f", linkageName: "$s1t1f1bySb_tF", scope: !15, file: !16, line: 1, type: !36, scopeLine: 1, spFlags: DISPFlagDefinition, unit: !15, retainedNodes: !17) 45!36 = !DISubroutineType(types: null) 46!37 = !DILocation(line: 0, scope: !35) 47!38 = !DILocation(line: 2, column: 9, scope: !35) 48!39 = !DILocation(line: 3, column: 1, scope: !35) 49!40 = !DILocation(line: 2, column: 18, scope: !35) 50