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706eec22ee
This reverts commit r359912. This should pass now, since the clang test was made less fragile in r359918. llvm-svn: 359919
72 lines
3.1 KiB
LLVM
72 lines
3.1 KiB
LLVM
; RUN: llc -O0 %s -filetype=obj -o - | llvm-dwarfdump -debug-loc - | FileCheck %s
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;
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; rdar://problem/15928306
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;
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; Test that we can emit debug info for aggregate values that are split
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; up across multiple registers by SROA.
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;
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; // Compile with -O1.
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; typedef struct { long int a; int b;} S;
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;
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; int foo(S s) {
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; return s.b;
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; }
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;
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;
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; CHECK: .debug_loc contents:
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;
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; CHECK: [0x0000000000000000, 0x[[LTMP3:.*]]): DW_OP_reg5 RDI, DW_OP_piece 0x8, DW_OP_reg4 RSI, DW_OP_piece 0x4
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; 0x0000000000000006 - 0x0000000000000008: rbp-8, piece 0x8, rax, piece 0x4 )
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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; Function Attrs: nounwind ssp uwtable
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define i32 @foo(i64 %s.coerce0, i32 %s.coerce1) #0 !dbg !4 {
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entry:
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call void @llvm.dbg.value(metadata i64 %s.coerce0, metadata !20, metadata !24), !dbg !21
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call void @llvm.dbg.value(metadata i32 %s.coerce1, metadata !22, metadata !27), !dbg !21
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ret i32 %s.coerce1, !dbg !23
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!17, !18}
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!llvm.ident = !{!19}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "pieces.c", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !15)
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!5 = !DIFile(filename: "pieces.c", directory: "")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !9}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !DIDerivedType(tag: DW_TAG_typedef, name: "S", line: 1, file: !1, baseType: !10)
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!10 = !DICompositeType(tag: DW_TAG_structure_type, line: 1, size: 128, align: 64, file: !1, elements: !11)
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!11 = !{!12, !14}
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 1, size: 64, align: 64, file: !1, scope: !10, baseType: !13)
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!13 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 1, size: 32, align: 32, offset: 64, file: !1, scope: !10, baseType: !8)
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!15 = !{!16}
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!16 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !4, file: !5, type: !9)
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!17 = !{i32 2, !"Dwarf Version", i32 4}
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!18 = !{i32 1, !"Debug Info Version", i32 3}
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!19 = !{!"clang version 3.5 "}
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!20 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !4, file: !5, type: !9)
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!21 = !DILocation(line: 3, scope: !4)
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!22 = !DILocalVariable(name: "s", line: 3, arg: 1, scope: !4, file: !5, type: !9)
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!23 = !DILocation(line: 4, scope: !4)
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!24 = !DIExpression(DW_OP_LLVM_fragment, 0, 64)
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!25 = !{}
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!27 = !DIExpression(DW_OP_LLVM_fragment, 64, 32)
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