[llvm] r203983 - Debug info: Unique types before emitting them to DWARF, where applicable.

[Adrian Prantl]

Author: adrian
Date: Fri Mar 14 18:08:29 2014
New Revision: 203983

URL: http://llvm.org/viewvc/llvm-project?rev=203983&view=rev
Log:
Debug info: Unique types before emitting them to DWARF, where applicable.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
    llvm/trunk/test/Linker/type-unique-odr-a.ll

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp?rev=203983&r1=203982&r2=203983&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfUnit.cpp Fri Mar 14 18:08:29 2014
@@ -958,6 +958,9 @@ DIE *DwarfUnit::getOrCreateTypeDIE(const
   DIE *ContextDIE = getOrCreateContextDIE(Context);
   assert(ContextDIE);
 
+  // Unique the type. This is a noop if the type has no unique identifier.
+  Ty = DIType(resolve(Ty.getRef()));
+
   DIE *TyDIE = getDIE(Ty);
   if (TyDIE)
     return TyDIE;

Modified: llvm/trunk/test/Linker/type-unique-odr-a.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Linker/type-unique-odr-a.ll?rev=203983&r1=203982&r2=203983&view=diff
==============================================================================
--- llvm/trunk/test/Linker/type-unique-odr-a.ll (original)
+++ llvm/trunk/test/Linker/type-unique-odr-a.ll Fri Mar 14 18:08:29 2014
@@ -28,6 +28,10 @@
 ; CHECK-NEXT:   DW_AT_MIPS_linkage_name {{.*}} "_ZL3barv"
 ; CHECK:      DW_TAG_class_type
 ; CHECK-NEXT:   DW_AT_name {{.*}} "A"
+; CHECK-NOT:  DW_TAG
+; CHECK:      DW_TAG_member
+; CHECK-NEXT:   DW_AT_name {{.*}} "data"
+; CHECK-NOT:  DW_TAG
 ; CHECK:      DW_TAG_subprogram
 ; CHECK-NEXT:   DW_AT_MIPS_linkage_name {{.*}} "_ZN1A6getFooEv"
 ; CHECK-NEXT:   DW_AT_name {{.*}} "getFoo"