Teach our Dwarf emission to use the string pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/debug-info-sreg2.ll b/test/CodeGen/ARM/debug-info-sreg2.ll
index ee777ce..3972e68 100644
--- a/test/CodeGen/ARM/debug-info-sreg2.ll
+++ b/test/CodeGen/ARM/debug-info-sreg2.ll
@@ -6,8 +6,8 @@
 ;CHECK: Ldebug_loc0:
 ;CHECK-NEXT:        .long   Ltmp1
 ;CHECK-NEXT:        .long   Ltmp2
-;CHECK-NEXT: Lset8 = Ltmp10-Ltmp9                    @ Loc expr size
-;CHECK-NEXT:        .short  Lset8
+;CHECK-NEXT: Lset[[N:[0-9]+]] = Ltmp10-Ltmp9        @ Loc expr size
+;CHECK-NEXT:        .short  Lset[[N]]
 ;CHECK-NEXT: Ltmp9:
 ;CHECK-NEXT:        .byte   144                     @ DW_OP_regx for S register