Don't emit a directory entry for the value in DW_AT_comp_dir, that is always
implied by directory index zero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143570 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/dbg-file-name.ll b/test/CodeGen/X86/dbg-file-name.ll
index 70e0a5d..adf9854 100644
--- a/test/CodeGen/X86/dbg-file-name.ll
+++ b/test/CodeGen/X86/dbg-file-name.ll
@@ -1,7 +1,7 @@
; RUN: llc -enable-dwarf-directory -mtriple x86_64-apple-darwin10.0.0 < %s | FileCheck %s
; Radar 8884898
-; CHECK: file 1 "/Users/manav/one/two" "simple.c"
+; CHECK: file 1 "simple.c"
declare i32 @printf(i8*, ...) nounwind
diff --git a/test/CodeGen/X86/dwarf-comp-dir.ll b/test/CodeGen/X86/dwarf-comp-dir.ll
new file mode 100644
index 0000000..c64752c
--- /dev/null
+++ b/test/CodeGen/X86/dwarf-comp-dir.ll
@@ -0,0 +1,16 @@
+; RUN: llc %s -o %t -filetype=obj
+; RUN: llvm-dwarfdump %t | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"empty.c", metadata !"/home/nlewycky", metadata !"clang version 3.1 (trunk 143523)", i1 true, i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !1} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+
+; The important part of the following check is that dir = #0.
+; Dir Mod Time File Len File Name
+; ---- ---------- ---------- ---------------------------
+; CHECK: file_names[ 1] 0 0x00000000 0x00000000 empty.c