1 ; RUN: opt < %s -instcombine -S | FileCheck %s 2 3 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 4 5 declare i64 @llvm.objectsize.i64.p0i8(i8*, i1) nounwind readnone 6 7 declare i8* @foo(i8*, i32, i64, i64) nounwind 8 9 define hidden i8* @foobar(i8* %__dest, i32 %__val, i64 %__len) nounwind inlinehint ssp !dbg !1 { 10 entry: 11 %__dest.addr = alloca i8*, align 8 12 %__val.addr = alloca i32, align 4 13 %__len.addr = alloca i64, align 8 14 store i8* %__dest, i8** %__dest.addr, align 8 15 ; CHECK-NOT: call void @llvm.dbg.declare 16 ; CHECK: call void @llvm.dbg.value 17 call void @llvm.dbg.declare(metadata i8** %__dest.addr, metadata !0, metadata !DIExpression()), !dbg !16 18 store i32 %__val, i32* %__val.addr, align 4 19 call void @llvm.dbg.declare(metadata i32* %__val.addr, metadata !7, metadata !DIExpression()), !dbg !18 20 store i64 %__len, i64* %__len.addr, align 8 21 call void @llvm.dbg.declare(metadata i64* %__len.addr, metadata !9, metadata !DIExpression()), !dbg !20 22 %tmp = load i8*, i8** %__dest.addr, align 8, !dbg !21 23 %tmp1 = load i32, i32* %__val.addr, align 4, !dbg !21 24 %tmp2 = load i64, i64* %__len.addr, align 8, !dbg !21 25 %tmp3 = load i8*, i8** %__dest.addr, align 8, !dbg !21 26 %0 = call i64 @llvm.objectsize.i64.p0i8(i8* %tmp3, i1 false), !dbg !21 27 %call = call i8* @foo(i8* %tmp, i32 %tmp1, i64 %tmp2, i64 %0), !dbg !21 28 ret i8* %call, !dbg !21 29 } 30 31 !llvm.dbg.cu = !{!3} 32 !llvm.module.flags = !{!30} 33 34 !0 = !DILocalVariable(name: "__dest", line: 78, arg: 1, scope: !1, file: !2, type: !6) 35 !1 = distinct !DISubprogram(name: "foobar", line: 79, isLocal: true, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 79, file: !27, scope: !2, type: !4, variables: !25) 36 !2 = !DIFile(filename: "string.h", directory: "Game") 37 !3 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 127710)", isOptimized: true, emissionKind: 0, file: !28, enums: !29, retainedTypes: !29, subprograms: !24) 38 !4 = !DISubroutineType(types: !5) 39 !5 = !{!6} 40 !6 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, scope: !3, baseType: null) 41 !7 = !DILocalVariable(name: "__val", line: 78, arg: 2, scope: !1, file: !2, type: !8) 42 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 43 !9 = !DILocalVariable(name: "__len", line: 78, arg: 3, scope: !1, file: !2, type: !10) 44 !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "size_t", line: 80, file: !27, scope: !3, baseType: !11) 45 !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "__darwin_size_t", line: 90, file: !27, scope: !3, baseType: !12) 46 !12 = !DIBasicType(tag: DW_TAG_base_type, name: "long unsigned int", size: 64, align: 64, encoding: DW_ATE_unsigned) 47 !16 = !DILocation(line: 78, column: 28, scope: !1) 48 !18 = !DILocation(line: 78, column: 40, scope: !1) 49 !20 = !DILocation(line: 78, column: 54, scope: !1) 50 !21 = !DILocation(line: 80, column: 3, scope: !22) 51 !22 = distinct !DILexicalBlock(line: 80, column: 3, file: !27, scope: !23) 52 !23 = distinct !DILexicalBlock(line: 79, column: 1, file: !27, scope: !1) 53 !24 = !{!1} 54 !25 = !{!0, !7, !9} 55 !26 = !DIFile(filename: "bits.c", directory: "Game") 56 !27 = !DIFile(filename: "string.h", directory: "Game") 57 !28 = !DIFile(filename: "bits.c", directory: "Game") 58 !29 = !{} 59 !30 = !{i32 1, !"Debug Info Version", i32 3} 60
