Make the default triple optional by allowing an empty string

[oota-llvm.git] / test / DebugInfo / Generic / global.ll

diff --git a/test/DebugInfo/Generic/global.ll b/test/DebugInfo/Generic/global.ll
new file mode 100644 (file)
index 0000000..ed8091a
--- /dev/null
+++ b/test/DebugInfo/Generic/global.ll
@@ -0,0 +1,42 @@
+; REQUIRES: object-emission
+
+; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t
+; RUN: llvm-dwarfdump %t | FileCheck %s
+
+; Also test that the null streamer doesn't crash with debug info.
+; RUN: %llc_dwarf -O0 -filetype=null < %s
+
+; generated from the following source compiled to bitcode with clang -g -O1
+; static int i;
+; int main() {
+;   (void)&i;
+; }
+
+; CHECK: debug_info contents
+; CHECK: DW_TAG_variable
+
+; Function Attrs: nounwind readnone uwtable
+define i32 @main() #0 {
+entry:
+  ret i32 0, !dbg !12
+}
+
+attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!11, !13}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4 ", isOptimized: true, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !9, imports: !2)
+!1 = !DIFile(filename: "global.cpp", directory: "/tmp")
+!2 = !{}
+!3 = !{!4}
+!4 = distinct !DISubprogram(name: "main", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 2, file: !1, scope: !5, type: !6, function: i32 ()* @main, variables: !2)
+!5 = !DIFile(filename: "global.cpp", directory: "/tmp")
+!6 = !DISubroutineType(types: !7)
+!7 = !{!8}
+!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!9 = !{!10}
+!10 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", line: 1, isLocal: true, isDefinition: true, scope: null, file: !5, type: !8)
+!11 = !{i32 2, !"Dwarf Version", i32 3}
+!12 = !DILocation(line: 4, scope: !4)
+!13 = !{i32 1, !"Debug Info Version", i32 3}