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1; Verify "no source location" directives appear in appropriate places,2; but don't appear when we explicitly suppress them.3; RUN: llc < %s -o - | FileCheck %s4; RUN: llc < %s -o - -use-unknown-locations=Disable | FileCheck %s --check-prefix=DISABLE5 6; Generated from this .cpp targeting linux using -g7; and then removed function attributes as clutter.8;9; void bar(int *);10; void baz(int *);11; # 5 "no-source-loc.cpp"12; void foo(int x) {13; int z;14; if (x)15; # 20 "include.h"16; bar(&z);17; # 10 "no-source-loc.cpp"18; baz(&z);19; }20 21target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"22target triple = "x86_64-unknown-linux-gnu"23 24; Function Attrs: uwtable25define void @_Z3fooi(i32 %x) !dbg !6 {26entry:27 %x.addr = alloca i32, align 428 %z = alloca i32, align 429 store i32 %x, ptr %x.addr, align 430 %0 = load i32, ptr %x.addr, align 4, !dbg !831 %tobool = icmp ne i32 %0, 0, !dbg !832 br i1 %tobool, label %if.then, label %if.end, !dbg !833 34if.then: ; preds = %entry35 call void @_Z3barPi(ptr %z), !dbg !936 br label %if.end, !dbg !937 38if.end: ; preds = %if.then, %entry39 call void @_Z3bazPi(ptr %z), !dbg !1240 ret void, !dbg !1441}42 43; CHECK: .loc 1 7 744; CHECK-NOT: .loc45; CHECK: .loc 1 0 7 is_stmt 046; CHECK-NOT: .loc47; CHECK: .loc 2 20 5 is_stmt 148; CHECK: .LBB0_2:49; CHECK-NEXT: .loc 2 0 5 is_stmt 050; CHECK-NOT: .loc51; CHECK: .loc 1 10 3 is_stmt 152;53; DISABLE-NOT: .loc 1 054 55declare void @_Z3barPi(ptr)56 57declare void @_Z3bazPi(ptr)58 59!llvm.dbg.cu = !{!0}60!llvm.module.flags = !{!3, !4}61!llvm.ident = !{!5}62 63!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 4.0.0 (trunk 278782)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)64!1 = !DIFile(filename: "no-source-loc.cpp", directory: "/tests")65!2 = !{}66!3 = !{i32 2, !"Dwarf Version", i32 4}67!4 = !{i32 2, !"Debug Info Version", i32 3}68!5 = !{!"clang version 4.0.0 (trunk 278782)"}69!6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 5, type: !7, isLocal: false, isDefinition: true, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false, unit: !0, retainedNodes: !2)70!7 = !DISubroutineType(types: !2)71!8 = !DILocation(line: 7, column: 7, scope: !6)72!9 = !DILocation(line: 20, column: 5, scope: !10)73!10 = !DILexicalBlockFile(scope: !6, file: !11, discriminator: 0)74!11 = !DIFile(filename: "include.h", directory: "/tests")75!12 = !DILocation(line: 10, column: 3, scope: !13)76!13 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 0)77!14 = !DILocation(line: 11, column: 1, scope: !13)78