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77 lines
3.2 KiB
LLVM
77 lines
3.2 KiB
LLVM
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; RUN: llc -filetype=obj -O0 -relocation-model=pic < %s -mtriple mips-unknown-linux-gnu | llvm-dwarfdump -a - | FileCheck %s
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; PR19815
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; Generated using clang -target mips-linux-gnu -g test.c -S -o - -flto|opt -sroa -S
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; test.c:
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;
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; int foo(int x) {
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; if (x)
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; return 0;
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; return 1;
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; }
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; CHECK: Address Line Column File ISA Discriminator Flags
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; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
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; CHECK: 0x0000000000000000 1 0 1 0 0 is_stmt
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; FIXME: The next address probably ought to be 0x0000000000000004 but there's
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; a constant initialization before the prologue's end.
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; CHECK: 0x0000000000000008 2 0 1 0 0 is_stmt prologue_end
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; CHECK: 0x000000000000002c 3 0 1 0 0 is_stmt
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; CHECK: 0x000000000000003c 4 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000048 5 0 1 0 0 is_stmt
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; CHECK: 0x0000000000000058 5 0 1 0 0 is_stmt end_sequence
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target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64"
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target triple = "mips--linux-gnu"
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; Function Attrs: nounwind
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define i32 @foo(i32 %x) #0 !dbg !4 {
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entry:
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call void @llvm.dbg.value(metadata i32 %x, metadata !12, metadata !DIExpression()), !dbg !13
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%tobool = icmp ne i32 %x, 0, !dbg !14
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br i1 %tobool, label %if.then, label %if.end, !dbg !14
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if.then: ; preds = %entry
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br label %return, !dbg !16
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if.end: ; preds = %entry
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br label %return, !dbg !17
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return: ; preds = %if.end, %if.then
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%retval.0 = phi i32 [ 0, %if.then ], [ 1, %if.end ]
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ret i32 %retval.0, !dbg !18
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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 }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "test.c", directory: "/tmp")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: "test.c", directory: "/tmp")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8, !8}
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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 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !{!"clang version 3.5.0"}
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!12 = !DILocalVariable(name: "x", line: 1, arg: 1, scope: !4, file: !5, type: !8)
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!13 = !DILocation(line: 1, scope: !4)
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!14 = !DILocation(line: 2, scope: !15)
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!15 = distinct !DILexicalBlock(line: 2, column: 0, file: !1, scope: !4)
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!16 = !DILocation(line: 3, scope: !15)
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!17 = !DILocation(line: 4, scope: !4)
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!18 = !DILocation(line: 5, scope: !4)
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