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