1 ; RUN: llc -mtriple=i386-unknown-unknown -mcpu=core2 %s -o %t -filetype=obj 2 ; RUN: llvm-dwarfdump -debug-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, retainedNodes: !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