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