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      1 ; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj
      2 ; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s
      3 ;
      4 ; Generated from:
      5 ;
      6 ; #1 void foo(int, int);
      7 ; #2 int bar();
      8 ; #3 void baz() {
      9 ; #4   foo/*discriminator 1*/(bar(),
     10 ; #5       bar());bar()/*discriminator 1*/;
     11 ; #6 }
     12 ;
     13 ; The intent is to test discriminator 1 generated for both line #4 and #5.
     14 ; The instruction sequence in the final binary is:
     15 ; line 4 discriminator 0
     16 ; line 5 discriminator 0
     17 ; line 4 discriminator 1
     18 ; line 5 discriminator 1
     19 ; We need to ensure that the discriminators for the last two instructions
     20 ; are both 1.
     21 
     22 ; Function Attrs: uwtable
     23 define void @_Z3bazv() #0 !dbg !6 {
     24   %1 = call i32 @_Z3barv(), !dbg !9
     25   %2 = call i32 @_Z3barv(), !dbg !10
     26   call void @_Z3fooii(i32 %1, i32 %2), !dbg !11
     27   %3 = call i32 @_Z3barv(), !dbg !13
     28   ret void, !dbg !14
     29 }
     30 
     31 declare void @_Z3fooii(i32, i32) #1
     32 
     33 declare i32 @_Z3barv() #1
     34 
     35 attributes #0 = { uwtable "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" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
     36 attributes #1 = { "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-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
     37 
     38 !llvm.dbg.cu = !{!0}
     39 !llvm.module.flags = !{!3, !4}
     40 !llvm.ident = !{!5}
     41 
     42 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 (trunk 267219)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
     43 !1 = !DIFile(filename: "test.cc", directory: ".")
     44 !2 = !{}
     45 !3 = !{i32 2, !"Dwarf Version", i32 4}
     46 !4 = !{i32 2, !"Debug Info Version", i32 3}
     47 !5 = !{!"clang version 3.9.0 (trunk 267219)"}
     48 !6 = distinct !DISubprogram(name: "baz", linkageName: "_Z3bazv", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
     49 !7 = !DISubroutineType(types: !8)
     50 !8 = !{null}
     51 !9 = !DILocation(line: 4, column: 7, scope: !6)
     52 !10 = !DILocation(line: 5, column: 14, scope: !6)
     53 !11 = !DILocation(line: 4, column: 3, scope: !12)
     54 !12 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1)
     55 !13 = !DILocation(line: 5, column: 21, scope: !12)
     56 !14 = !DILocation(line: 6, column: 1, scope: !6)
     57 
     58 ; CHECK: Address            Line   Column File   ISA Discriminator Flags
     59 ; CHECK: ------------------ ------ ------ ------ --- ------------- -------------
     60 ; CHECK: {{.*}}      4      3      1   0             1  {{.*}}
     61 ; CHECK: {{.*}}      5     21      1   0             1  {{.*}}
     62