; RUN: llc -march=mips -mcpu=mips32r2 -O1 -filetype=obj <%s | \ ; RUN: llvm-dwarfdump -debug-dump=all - | FileCheck %s -check-prefix=F0 ; RUN: llc -march=mips -mcpu=mips32r2 -O1 -filetype=obj <%s | \ ; RUN: llvm-dwarfdump -debug-dump=all - | FileCheck %s -check-prefix=F1 ; void foo(int *); ; ; int f0(int a, int b, int c, int d, int e) { ; int x = a + b + c + d + e; ; foo(&x); ; return x; ; } ; ; int f1(int a, int b, int c, int d, int e) { ; int x __attribute__((aligned(16))) = a + b + c + d + e; ; foo(&x); ; return x; ; } declare void @llvm.lifetime.start(i64, i8* nocapture) declare void @llvm.lifetime.end(i64, i8* nocapture) declare void @foo(i32*) ; F0: DW_AT_location [DW_FORM_sec_offset] (0x00000014) ; F0: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x") ; ; x -> DW_OP_reg1(51) ; F0: 0x00000014: Beginning address offset: 0x0000000000000028 ; F0: Ending address offset: 0x0000000000000030 ; F0: Location description: 51 define i32 @f0(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !4 { entry: %x = alloca i32, align 4 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !9, metadata !DIExpression()), !dbg !27 tail call void @llvm.dbg.value(metadata i32 %b, i64 0, metadata !10, metadata !DIExpression()), !dbg !28 tail call void @llvm.dbg.value(metadata i32 %c, i64 0, metadata !11, metadata !DIExpression()), !dbg !29 tail call void @llvm.dbg.value(metadata i32 %d, i64 0, metadata !12, metadata !DIExpression()), !dbg !30 tail call void @llvm.dbg.value(metadata i32 %e, i64 0, metadata !13, metadata !DIExpression()), !dbg !31 %0 = bitcast i32* %x to i8*, !dbg !32 call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !32 %add = add nsw i32 %b, %a, !dbg !33 %add1 = add nsw i32 %add, %c, !dbg !34 %add2 = add nsw i32 %add1, %d, !dbg !35 %add3 = add nsw i32 %add2, %e, !dbg !36 tail call void @llvm.dbg.value(metadata i32 %add3, i64 0, metadata !14, metadata !DIExpression()), !dbg !37 store i32 %add3, i32* %x, align 4, !dbg !37, !tbaa !38 tail call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !14, metadata !26), !dbg !37 call void @foo(i32* nonnull %x) #4, !dbg !42 call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !14, metadata !26), !dbg !37 %1 = load i32, i32* %x, align 4, !dbg !43, !tbaa !38 call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !44 ret i32 %1, !dbg !45 } ; F1: DW_AT_location [DW_FORM_sec_offset] (0x00000033) ; F1: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x") ; x -> DW_OP_reg1(51) ; F1: 0x00000033: Beginning address offset: 0x0000000000000080 ; F1: Ending address offset: 0x0000000000000088 ; F1: Location description: 51 define i32 @f1(i32 signext %a, i32 signext %b, i32 signext %c, i32 signext %d, i32 signext %e) !dbg !15 { entry: %x = alloca i32, align 16 tail call void @llvm.dbg.value(metadata i32 %a, i64 0, metadata !17, metadata !DIExpression()), !dbg !46 tail call void @llvm.dbg.value(metadata i32 %b, i64 0, metadata !18, metadata !DIExpression()), !dbg !47 tail call void @llvm.dbg.value(metadata i32 %c, i64 0, metadata !19, metadata !DIExpression()), !dbg !48 tail call void @llvm.dbg.value(metadata i32 %d, i64 0, metadata !20, metadata !DIExpression()), !dbg !49 tail call void @llvm.dbg.value(metadata i32 %e, i64 0, metadata !21, metadata !DIExpression()), !dbg !50 %0 = bitcast i32* %x to i8*, !dbg !51 call void @llvm.lifetime.start(i64 4, i8* %0) #4, !dbg !51 %add = add nsw i32 %b, %a, !dbg !52 %add1 = add nsw i32 %add, %c, !dbg !53 %add2 = add nsw i32 %add1, %d, !dbg !54 %add3 = add nsw i32 %add2, %e, !dbg !55 tail call void @llvm.dbg.value(metadata i32 %add3, i64 0, metadata !22, metadata !DIExpression()), !dbg !56 store i32 %add3, i32* %x, align 16, !dbg !56, !tbaa !38 tail call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !22, metadata !26), !dbg !56 call void @foo(i32* nonnull %x) #4, !dbg !57 call void @llvm.dbg.value(metadata i32* %x, i64 0, metadata !22, metadata !26), !dbg !56 %1 = load i32, i32* %x, align 16, !dbg !58, !tbaa !38 call void @llvm.lifetime.end(i64 4, i8* %0) #4, !dbg !59 ret i32 %1, !dbg !60 } declare void @llvm.dbg.value(metadata, i64, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!23, !24} !llvm.ident = !{!25} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3) !1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf") !2 = !{} !3 = !{!4, !15} !4 = distinct !DISubprogram(name: "f0", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, variables: !8) !5 = !DISubroutineType(types: !6) !6 = !{!7, !7, !7, !7, !7, !7} !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !8 = !{!9, !10, !11, !12, !13, !14} !9 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 4, type: !7) !10 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 4, type: !7) !11 = !DILocalVariable(name: "c", arg: 3, scope: !4, file: !1, line: 4, type: !7) !12 = !DILocalVariable(name: "d", arg: 4, scope: !4, file: !1, line: 4, type: !7) !13 = !DILocalVariable(name: "e", arg: 5, scope: !4, file: !1, line: 4, type: !7) !14 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 5, type: !7) !15 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 11, type: !5, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, variables: !16) !16 = !{!17, !18, !19, !20, !21, !22} !17 = !DILocalVariable(name: "a", arg: 1, scope: !15, file: !1, line: 11, type: !7) !18 = !DILocalVariable(name: "b", arg: 2, scope: !15, file: !1, line: 11, type: !7) !19 = !DILocalVariable(name: "c", arg: 3, scope: !15, file: !1, line: 11, type: !7) !20 = !DILocalVariable(name: "d", arg: 4, scope: !15, file: !1, line: 11, type: !7) !21 = !DILocalVariable(name: "e", arg: 5, scope: !15, file: !1, line: 11, type: !7) !22 = !DILocalVariable(name: "x", scope: !15, file: !1, line: 12, type: !7) !23 = !{i32 2, !"Dwarf Version", i32 4} !24 = !{i32 2, !"Debug Info Version", i32 3} !25 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"} !26 = !DIExpression(DW_OP_deref) !27 = !DILocation(line: 4, column: 12, scope: !4) !28 = !DILocation(line: 4, column: 19, scope: !4) !29 = !DILocation(line: 4, column: 26, scope: !4) !30 = !DILocation(line: 4, column: 33, scope: !4) !31 = !DILocation(line: 4, column: 40, scope: !4) !32 = !DILocation(line: 5, column: 3, scope: !4) !33 = !DILocation(line: 5, column: 13, scope: !4) !34 = !DILocation(line: 5, column: 17, scope: !4) !35 = !DILocation(line: 5, column: 21, scope: !4) !36 = !DILocation(line: 5, column: 25, scope: !4) !37 = !DILocation(line: 5, column: 7, scope: !4) !38 = !{!39, !39, i64 0} !39 = !{!"int", !40, i64 0} !40 = !{!"omnipotent char", !41, i64 0} !41 = !{!"Simple C/C++ TBAA"} !42 = !DILocation(line: 6, column: 3, scope: !4) !43 = !DILocation(line: 7, column: 10, scope: !4) !44 = !DILocation(line: 8, column: 1, scope: !4) !45 = !DILocation(line: 7, column: 3, scope: !4) !46 = !DILocation(line: 11, column: 12, scope: !15) !47 = !DILocation(line: 11, column: 19, scope: !15) !48 = !DILocation(line: 11, column: 26, scope: !15) !49 = !DILocation(line: 11, column: 33, scope: !15) !50 = !DILocation(line: 11, column: 40, scope: !15) !51 = !DILocation(line: 12, column: 3, scope: !15) !52 = !DILocation(line: 12, column: 42, scope: !15) !53 = !DILocation(line: 12, column: 46, scope: !15) !54 = !DILocation(line: 12, column: 50, scope: !15) !55 = !DILocation(line: 12, column: 54, scope: !15) !56 = !DILocation(line: 12, column: 7, scope: !15) !57 = !DILocation(line: 13, column: 3, scope: !15) !58 = !DILocation(line: 14, column: 10, scope: !15) !59 = !DILocation(line: 15, column: 1, scope: !15) !60 = !DILocation(line: 14, column: 3, scope: !15)