Home | History | Annotate | Download | only in Linker
      1 ; Do setup work for all below tests: generate bitcode and combined index
      2 ; RUN: llvm-as -function-summary %s -o %t.bc
      3 ; RUN: llvm-as -function-summary %p/Inputs/thinlto_funcimport_debug.ll -o %t2.bc
      4 ; RUN: llvm-lto -thinlto -o %t3 %t.bc %t2.bc
      5 
      6 ; If we import func1 and not func2 we should only link DISubprogram for func1
      7 ; RUN: llvm-link %t2.bc -functionindex=%t3.thinlto.bc -import=func1:%t.bc -S | FileCheck %s
      8 
      9 ; CHECK: declare i32 @func2
     10 ; CHECK: define available_externally i32 @func1
     11 
     12 ; Extract out the list of subprograms from each compile unit and ensure
     13 ; that neither contains null.
     14 ; CHECK: !{{[0-9]+}} = distinct !DICompileUnit({{.*}} subprograms: ![[SPs1:[0-9]+]]
     15 ; CHECK-NOT: ![[SPs1]] = !{{{.*}}null{{.*}}}
     16 ; CHECK: !{{[0-9]+}} = distinct !DICompileUnit({{.*}} subprograms: ![[SPs2:[0-9]+]]
     17 ; CHECK-NOT: ![[SPs2]] = !{{{.*}}null{{.*}}}
     18 
     19 ; CHECK: distinct !DISubprogram(name: "func1"
     20 ; CHECK-NOT: distinct !DISubprogram(name: "func2"
     21 
     22 
     23 ; ModuleID = 'dbg.o'
     24 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
     25 target triple = "x86_64-unknown-linux-gnu"
     26 
     27 ; Function Attrs: nounwind readnone uwtable
     28 define i32 @func1(i32 %n) #0 !dbg !4 {
     29 entry:
     30   tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !9, metadata !17), !dbg !18
     31   tail call void @llvm.dbg.value(metadata i32 5, i64 0, metadata !10, metadata !17), !dbg !19
     32   %cmp = icmp sgt i32 %n, 10, !dbg !20
     33   %. = select i1 %cmp, i32 10, i32 5, !dbg !22
     34   tail call void @llvm.dbg.value(metadata i32 %., i64 0, metadata !10, metadata !17), !dbg !19
     35   ret i32 %., !dbg !23
     36 }
     37 
     38 ; Function Attrs: nounwind readnone uwtable
     39 define i32 @func2(i32 %n) #0 !dbg !11 {
     40 entry:
     41   tail call void @llvm.dbg.value(metadata i32 %n, i64 0, metadata !13, metadata !17), !dbg !24
     42   ret i32 %n, !dbg !25
     43 }
     44 
     45 ; Function Attrs: nounwind readnone
     46 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
     47 
     48 attributes #0 = { nounwind readnone uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2" "unsafe-fp-math"="false" "use-soft-float"="false" }
     49 attributes #1 = { nounwind readnone }
     50 
     51 !llvm.dbg.cu = !{!0}
     52 !llvm.module.flags = !{!14, !15}
     53 !llvm.ident = !{!16}
     54 
     55 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251407) (llvm/trunk 251401)", isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !2, subprograms: !3)
     56 !1 = !DIFile(filename: "dbg.c", directory: ".")
     57 !2 = !{}
     58 !3 = !{!4, !11}
     59 !4 = distinct !DISubprogram(name: "func1", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, variables: !8)
     60 !5 = !DISubroutineType(types: !6)
     61 !6 = !{!7, !7}
     62 !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
     63 !8 = !{!9, !10}
     64 !9 = !DILocalVariable(name: "n", arg: 1, scope: !4, file: !1, line: 1, type: !7)
     65 !10 = !DILocalVariable(name: "x", scope: !4, file: !1, line: 2, type: !7)
     66 !11 = distinct !DISubprogram(name: "func2", scope: !1, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: true, variables: !12)
     67 !12 = !{!13}
     68 !13 = !DILocalVariable(name: "n", arg: 1, scope: !11, file: !1, line: 8, type: !7)
     69 !14 = !{i32 2, !"Dwarf Version", i32 4}
     70 !15 = !{i32 2, !"Debug Info Version", i32 3}
     71 !16 = !{!"clang version 3.8.0 (trunk 251407) (llvm/trunk 251401)"}
     72 !17 = !DIExpression()
     73 !18 = !DILocation(line: 1, column: 15, scope: !4)
     74 !19 = !DILocation(line: 2, column: 7, scope: !4)
     75 !20 = !DILocation(line: 3, column: 9, scope: !21)
     76 !21 = distinct !DILexicalBlock(scope: !4, file: !1, line: 3, column: 7)
     77 !22 = !DILocation(line: 3, column: 7, scope: !4)
     78 !23 = !DILocation(line: 5, column: 3, scope: !4)
     79 !24 = !DILocation(line: 8, column: 15, scope: !11)
     80 !25 = !DILocation(line: 9, column: 3, scope: !11)
     81