122 lines · plain
1; RUN: llc -mtriple=mips -mcpu=mips32r2 -O0 -filetype=obj -fast-isel=0 <%s | \2; RUN: llvm-dwarfdump -v -all - | FileCheck %s3 4declare void @llvm.dbg.declare(metadata, metadata, metadata)5 6declare void @foo(ptr)7 8; void foo(int *);9;10; int f2(int a, int b) {11; int c __attribute__((aligned(16))) = a + b;12; foo(&c);13; return c;14; }15;16; int *f3(int a, int b) {17; int c __attribute__((aligned(16))) = a + b;18; int *w = alloca(c);19; foo(&c);20; return w;21; }22 23; CHECK: DW_TAG_subprogram24; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_breg29 SP_64+36)25; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000065] = "c")26 27; Function Attrs: nounwind28define i32 @f2(i32 signext %a, i32 signext %b) !dbg !4 {29entry:30 %a.addr = alloca i32, align 431 %b.addr = alloca i32, align 432 %c = alloca i32, align 1633 store i32 %a, ptr %a.addr, align 434 call void @llvm.dbg.declare(metadata ptr %a.addr, metadata !15, metadata !16), !dbg !1735 store i32 %b, ptr %b.addr, align 436 call void @llvm.dbg.declare(metadata ptr %b.addr, metadata !18, metadata !16), !dbg !1937 call void @llvm.dbg.declare(metadata ptr %c, metadata !20, metadata !16), !dbg !2138 %0 = load i32, ptr %a.addr, align 4, !dbg !2239 %1 = load i32, ptr %b.addr, align 4, !dbg !2340 %add = add nsw i32 %0, %1, !dbg !2441 store i32 %add, ptr %c, align 16, !dbg !2142 call void @foo(ptr %c), !dbg !2543 %2 = load i32, ptr %c, align 16, !dbg !2644 ret i32 %2, !dbg !2745}46 47; CHECK: DW_TAG_subprogram48; CHECK: DW_AT_location [DW_FORM_exprloc] (DW_OP_breg23 S7_64+32)49; CHECK: DW_AT_name [DW_FORM_strp] ( .debug_str[0x00000065] = "c")50 51define ptr @f3(i32 signext %a, i32 signext %b) !dbg !8 {52entry:53 %a.addr = alloca i32, align 454 %b.addr = alloca i32, align 455 %c = alloca i32, align 1656 %w = alloca ptr, align 457 store i32 %a, ptr %a.addr, align 458 call void @llvm.dbg.declare(metadata ptr %a.addr, metadata !28, metadata !16), !dbg !2959 store i32 %b, ptr %b.addr, align 460 call void @llvm.dbg.declare(metadata ptr %b.addr, metadata !30, metadata !16), !dbg !3161 call void @llvm.dbg.declare(metadata ptr %c, metadata !32, metadata !16), !dbg !3362 %0 = load i32, ptr %a.addr, align 4, !dbg !3463 %1 = load i32, ptr %b.addr, align 4, !dbg !3564 %add = add nsw i32 %0, %1, !dbg !3665 store i32 %add, ptr %c, align 16, !dbg !3366 call void @llvm.dbg.declare(metadata ptr %w, metadata !37, metadata !DIExpression(DW_OP_deref)), !dbg !3867 %2 = load i32, ptr %c, align 16, !dbg !3968 %3 = alloca i8, i32 %2, !dbg !4069 store ptr %3, ptr %w, align 4, !dbg !3870 call void @foo(ptr %c), !dbg !4171 %4 = load ptr, ptr %w, align 4, !dbg !4272 ret ptr %4, !dbg !4373}74 75!llvm.dbg.cu = !{!0}76!llvm.module.flags = !{!12, !13}77!llvm.ident = !{!14}78 79!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)80!1 = !DIFile(filename: "test.c", directory: "/home/vk/repos/tmp/dwarf")81!2 = !{}82!4 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 20, type: !5, isLocal: false, isDefinition: true, scopeLine: 20, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)83!5 = !DISubroutineType(types: !6)84!6 = !{!7, !7, !7}85!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)86!8 = distinct !DISubprogram(name: "f3", scope: !1, file: !1, line: 27, type: !9, isLocal: false, isDefinition: true, scopeLine: 27, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)87!9 = !DISubroutineType(types: !10)88!10 = !{!11, !7, !7}89!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 32, align: 32)90!12 = !{i32 2, !"Dwarf Version", i32 4}91!13 = !{i32 2, !"Debug Info Version", i32 3}92!14 = !{!"clang version 3.8.0 (trunk 251783) (llvm/trunk 251781)"}93!15 = !DILocalVariable(name: "a", arg: 1, scope: !4, file: !1, line: 20, type: !7)94!16 = !DIExpression()95!17 = !DILocation(line: 20, column: 12, scope: !4)96!18 = !DILocalVariable(name: "b", arg: 2, scope: !4, file: !1, line: 20, type: !7)97!19 = !DILocation(line: 20, column: 19, scope: !4)98!20 = !DILocalVariable(name: "c", scope: !4, file: !1, line: 21, type: !7)99!21 = !DILocation(line: 21, column: 7, scope: !4)100!22 = !DILocation(line: 21, column: 40, scope: !4)101!23 = !DILocation(line: 21, column: 44, scope: !4)102!24 = !DILocation(line: 21, column: 42, scope: !4)103!25 = !DILocation(line: 22, column: 3, scope: !4)104!26 = !DILocation(line: 23, column: 10, scope: !4)105!27 = !DILocation(line: 23, column: 3, scope: !4)106!28 = !DILocalVariable(name: "a", arg: 1, scope: !8, file: !1, line: 27, type: !7)107!29 = !DILocation(line: 27, column: 13, scope: !8)108!30 = !DILocalVariable(name: "b", arg: 2, scope: !8, file: !1, line: 27, type: !7)109!31 = !DILocation(line: 27, column: 20, scope: !8)110!32 = !DILocalVariable(name: "c", scope: !8, file: !1, line: 28, type: !7)111!33 = !DILocation(line: 28, column: 7, scope: !8)112!34 = !DILocation(line: 28, column: 40, scope: !8)113!35 = !DILocation(line: 28, column: 44, scope: !8)114!36 = !DILocation(line: 28, column: 42, scope: !8)115!37 = !DILocalVariable(name: "w", scope: !8, file: !1, line: 29, type: !11)116!38 = !DILocation(line: 29, column: 8, scope: !8)117!39 = !DILocation(line: 29, column: 19, scope: !8)118!40 = !DILocation(line: 29, column: 12, scope: !8)119!41 = !DILocation(line: 30, column: 3, scope: !8)120!42 = !DILocation(line: 31, column: 10, scope: !8)121!43 = !DILocation(line: 31, column: 3, scope: !8)122