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a9fbb2813b
This patch reverses the edge from DIGlobalVariable to GlobalVariable. This will allow us to more easily preserve debug info metadata when manipulating global variables. Fixes PR30362. A program for upgrading test cases is attached to that bug. Differential Revision: http://reviews.llvm.org/D20147 llvm-svn: 281284
73 lines
3.8 KiB
LLVM
73 lines
3.8 KiB
LLVM
; RUN: sed -e "s,SRC_COMPDIR,%p/Inputs,g" %s > %t.ll
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; RUN: llc -o %t.o -filetype=obj -mtriple=hexagon-unknown-elf %t.ll
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; RUN: llvm-objdump -d -l %t.o | FileCheck --check-prefix="LINES" %t.ll
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; RUN: llvm-objdump -d -S %t.o | FileCheck --check-prefix="SOURCE" %t.ll
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; ModuleID = 'source-interleave-hexagon.bc'
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source_filename = "source-interleave-hexagon.c"
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target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048"
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target triple = "hexagon-unknown--elf"
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@a = global i32 1, align 4, !dbg !4
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; Function Attrs: nounwind
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define i32 @foo() #0 !dbg !9 {
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entry:
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%0 = load i32, i32* @a, align 4, !dbg !12
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ret i32 %0, !dbg !13
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}
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; Function Attrs: nounwind
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define i32 @main() #0 !dbg !14 {
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entry:
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%retval = alloca i32, align 4
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%b = alloca i32*, align 4
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store i32 0, i32* %retval, align 4
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call void @llvm.dbg.declare(metadata i32** %b, metadata !15, metadata !17), !dbg !18
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store i32* @a, i32** %b, align 4, !dbg !18
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%0 = load i32*, i32** %b, align 4, !dbg !19
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%1 = load i32, i32* %0, align 4, !dbg !20
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%call = call i32 @foo(), !dbg !21
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%add = add nsw i32 %1, %call, !dbg !22
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ret i32 %add, !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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attributes #0 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="hexagonv60" "target-features"="-hvx,-hvx-double" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!6, !7}
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!llvm.ident = !{!8}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (http://llvm.org/git/clang d19a95e94dc57c5a72fd25d64f26134aa7d25fa0) (http://llvm.org/git/llvm.git 313924e6ff8a332063f61d3fda03812c220762f6)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
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!1 = !DIFile(filename: "source-interleave-hexagon.c", directory: "SRC_COMPDIR")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DIGlobalVariable(name: "a", scope: !0, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true)
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!5 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!6 = !{i32 2, !"Dwarf Version", i32 4}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !{!"clang version 4.0.0 (http://llvm.org/git/clang d19a95e94dc57c5a72fd25d64f26134aa7d25fa0) (http://llvm.org/git/llvm.git 313924e6ff8a332063f61d3fda03812c220762f6)"}
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!9 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, isOptimized: false, unit: !0, variables: !2)
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!10 = !DISubroutineType(types: !11)
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!11 = !{!5}
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!12 = !DILocation(line: 3, column: 10, scope: !9)
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!13 = !DILocation(line: 3, column: 3, scope: !9)
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!14 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 6, type: !10, isLocal: false, isDefinition: true, scopeLine: 6, isOptimized: false, unit: !0, variables: !2)
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!15 = !DILocalVariable(name: "b", scope: !14, file: !1, line: 7, type: !16)
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!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !5, size: 32, align: 32)
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!17 = !DIExpression()
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!18 = !DILocation(line: 7, column: 8, scope: !14)
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!19 = !DILocation(line: 8, column: 11, scope: !14)
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!20 = !DILocation(line: 8, column: 10, scope: !14)
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!21 = !DILocation(line: 8, column: 15, scope: !14)
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!22 = !DILocation(line: 8, column: 13, scope: !14)
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!23 = !DILocation(line: 8, column: 3, scope: !14)
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; LINES: main:
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; LINES-NEXT: SRC_COMPDIR/source-interleave-hexagon.c:6
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; SOURCE: main:
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; SOURCE-NEXT: int main() {
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