Always use the string pool, even when it makes the .o larger. This may help
tools that read the debug info in the .o files by making the DIE sizes more
consistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143186 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/DebugInfo/stringpool.ll b/test/DebugInfo/stringpool.ll
index 0a7c979..2cd1001 100644
--- a/test/DebugInfo/stringpool.ll
+++ b/test/DebugInfo/stringpool.ll
@@ -1,54 +1,44 @@
-; RUN: llc -O0 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=LINUX
-; RUN: llc -O0 -mtriple=x86_64-darwin < %s | FileCheck %s --check-prefix=DARWIN
-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"
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=LINUX
+; RUN: llc -mtriple=x86_64-darwin < %s | FileCheck %s --check-prefix=DARWIN
 
-@x = common global i32 0, align 4
-@yyyyyyyy = common global i32 0, align 4
+@yyyy = common global i32 0, align 4
 
 !llvm.dbg.cu = !{!0}
 
-!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"hello.c", metadata !"/home/nlewycky", metadata !"clang version 3.1 (trunk 143048)", i1 true, i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3} ; [ DW_TAG_compile_unit ]
+!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"z.c", metadata !"/home/nicholas", metadata !"clang version 3.1 (trunk 143009)", i1 true, i1 true, metadata !"", i32 0, metadata !1, metadata !1, metadata !1, metadata !3} ; [ DW_TAG_compile_unit ]
 !1 = metadata !{metadata !2}
 !2 = metadata !{i32 0}
 !3 = metadata !{metadata !4}
-!4 = metadata !{metadata !5, metadata !8}
-!5 = metadata !{i32 720948, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !6, i32 1, metadata !7, i32 0, i32 1, i32* @x} ; [ DW_TAG_variable ]
-!6 = metadata !{i32 720937, metadata !"hello.c", metadata !"/home/nlewycky", null} ; [ DW_TAG_file_type ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720948, i32 0, null, metadata !"yyyy", metadata !"yyyy", metadata !"", metadata !6, i32 1, metadata !7, i32 0, i32 1, i32* @yyyy} ; [ DW_TAG_variable ]
+!6 = metadata !{i32 720937, metadata !"z.c", metadata !"/home/nicholas", null} ; [ DW_TAG_file_type ]
 !7 = metadata !{i32 720932, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
-!8 = metadata !{i32 720948, i32 0, null, metadata !"yyyyyyyy", metadata !"yyyyyyyy", metadata !"", metadata !6, i32 2, metadata !7, i32 0, i32 1, i32* @yyyyyyyy} ; [ DW_TAG_variable ]
 
-; 120 is ASCII 'x'. Verify that we use it directly as its name and don't emit
-; a reference to the string pool.
-; LINUX:        .byte   120                     # DW_AT_name
-; DARWIN:       .byte   120                     ## DW_AT_name
-
-; Verify that we refer to 'yyyyyyyy' with a relocation.
-; LINUX:      .long   .Lstring{{[0-9]+}}      # DW_AT_name
+; Verify that we refer to 'yyyy' with a relocation.
+; LINUX:      .long   .Lstring3               # DW_AT_name
 ; LINUX-NEXT: .long   39                      # DW_AT_type
 ; LINUX-NEXT: .byte   1                       # DW_AT_external
 ; LINUX-NEXT: .byte   1                       # DW_AT_decl_file
-; LINUX-NEXT: .byte   2                       # DW_AT_decl_line
+; LINUX-NEXT: .byte   1                       # DW_AT_decl_line
 ; LINUX-NEXT: .byte   9                       # DW_AT_location
 ; LINUX-NEXT: .byte   3
-; LINUX-NEXT: .quad   yyyyyyyy
+; LINUX-NEXT: .quad   yyyy
 
-; Verify that we refer to 'yyyyyyyy' without a relocation.
-; DARWIN: Lset[[N:[0-9]+]] = Lstring{{[0-9]+}}-Lsection_str   ## DW_AT_name
-; DARWIN-NEXT:        .long   Lset[[N]]
+; Verify that we refer to 'yyyy' without a relocation.
+; DARWIN: Lset5 = Lstring3-Lsection_str               ## DW_AT_name
+; DARWIN-NEXT:        .long   Lset5
 ; DARWIN-NEXT:        .long   39                      ## DW_AT_type
 ; DARWIN-NEXT:        .byte   1                       ## DW_AT_external
 ; DARWIN-NEXT:        .byte   1                       ## DW_AT_decl_file
-; DARWIN-NEXT:        .byte   2                       ## DW_AT_decl_line
+; DARWIN-NEXT:        .byte   1                       ## DW_AT_decl_line
 ; DARWIN-NEXT:        .byte   9                       ## DW_AT_location
 ; DARWIN-NEXT:        .byte   3
-; DARWIN-NEXT:        .quad   _yyyyyyyy
+; DARWIN-NEXT:        .quad   _yyyy
 
-
-; Verify that "yyyyyyyy" ended up in the stringpool.
+; Verify that "yyyy" ended up in the stringpool.
 ; LINUX: .section .debug_str,"MS",@progbits,1
 ; LINUX-NOT: .section
-; LINUX: yyyyyyyy
+; LINUX: yyyy
 ; DARWIN: .section __DWARF,__debug_str,regular,debug
 ; DARWIN-NOT: .section
-; DARWIN: yyyyyyyy
+; DARWIN: yyyy