| ; RUN: llc -mtriple=mips -mcpu=mips32r2 -O1 -filetype=obj -relocation-model=pic <%s | \ |
| ; RUN: llvm-dwarfdump -v -all - | FileCheck %s |
| |
| ; 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*) |
| |
| ; CHECK: DW_AT_name {{.*}}"f0" |
| ; CHECK: DW_AT_name {{.*}}"e" |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] ( |
| ; CHECK-NEXT: [0x00000028, 0x0000002c) ".text": DW_OP_reg1 AT_64 |
| ; CHECK-NEXT: [0x0000002c, 0x00000048) ".text": DW_OP_breg29 SP_64+16) |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x") |
| |
| 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, metadata !9, metadata !DIExpression()), !dbg !27 |
| tail call void @llvm.dbg.value(metadata i32 %b, metadata !10, metadata !DIExpression()), !dbg !28 |
| tail call void @llvm.dbg.value(metadata i32 %c, metadata !11, metadata !DIExpression()), !dbg !29 |
| tail call void @llvm.dbg.value(metadata i32 %d, metadata !12, metadata !DIExpression()), !dbg !30 |
| tail call void @llvm.dbg.value(metadata i32 %e, 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, 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, metadata !14, metadata !26), !dbg !37 |
| call void @foo(i32* nonnull %x) #4, !dbg !42 |
| call void @llvm.dbg.value(metadata i32* %x, 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 |
| } |
| |
| |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] ( |
| ; CHECK-NEXT: [0x00000080, 0x00000084) ".text": DW_OP_reg1 AT_64 |
| ; CHECK-NEXT: [0x00000084, 0x00000098) ".text": DW_OP_breg29 SP_64+16) |
| ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] ( .debug_str[0x0000006b] = "x") |
| |
| 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, metadata !17, metadata !DIExpression()), !dbg !46 |
| tail call void @llvm.dbg.value(metadata i32 %b, metadata !18, metadata !DIExpression()), !dbg !47 |
| tail call void @llvm.dbg.value(metadata i32 %c, metadata !19, metadata !DIExpression()), !dbg !48 |
| tail call void @llvm.dbg.value(metadata i32 %d, metadata !20, metadata !DIExpression()), !dbg !49 |
| tail call void @llvm.dbg.value(metadata i32 %e, 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, 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, metadata !22, metadata !26), !dbg !56 |
| call void @foo(i32* nonnull %x) #4, !dbg !57 |
| call void @llvm.dbg.value(metadata i32* %x, 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, 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: FullDebug, enums: !2) |
| !1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf") |
| !2 = !{} |
| !4 = distinct !DISubprogram(name: "f0", scope: !1, file: !1, line: 4, type: !5, isLocal: false, isDefinition: true, scopeLine: 4, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !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, unit: !0, retainedNodes: !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) |