| ; RUN: opt -objc-arc -S < %s | FileCheck %s |
| |
| declare void @alterRefCount() |
| declare void @use(i8*) |
| |
| ; Check that ARC optimizer doesn't reverse the order of the retain call and the |
| ; release call when there are debug instructions. |
| |
| ; CHECK: call i8* @llvm.objc.retain(i8* %x) |
| ; CHECK: call void @llvm.objc.release(i8* %x) |
| |
| define i32 @test(i8* %x, i8* %y, i8 %z, i32 %i) { |
| %i.addr = alloca i32, align 4 |
| store i32 %i, i32* %i.addr, align 4 |
| %v1 = tail call i8* @llvm.objc.retain(i8* %x) |
| store i8 %z, i8* %x |
| call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !9, metadata !DIExpression()), !dbg !10 |
| call void @alterRefCount() |
| tail call void @llvm.objc.release(i8* %x) |
| ret i32 %i |
| } |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) |
| declare i8* @llvm.objc.retain(i8*) local_unnamed_addr |
| declare void @llvm.objc.release(i8*) local_unnamed_addr |
| |
| !llvm.module.flags = !{!0, !1} |
| |
| !0 = !{i32 2, !"Dwarf Version", i32 4} |
| !1 = !{i32 2, !"Debug Info Version", i32 3} |
| !2 = !DILocalVariable(name: "i", arg: 1, scope: !3, file: !4, line: 1, type: !7) |
| !3 = distinct !DISubprogram(name: "test", scope: !4, file: !4, line: 1, type: !5, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !8, retainedNodes: !9) |
| !4 = !DIFile(filename: "test.m", directory: "dir") |
| !5 = !DISubroutineType(types: !6) |
| !6 = !{!7, !7} |
| !7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !8 = distinct !DICompileUnit(language: DW_LANG_ObjC, file: !4, isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, enums: !9, nameTableKind: None) |
| !9 = !{} |
| !10 = !DILocation(line: 1, column: 14, scope: !3) |
