[llvm-commits] [llvm] r107323 - in /llvm/trunk: lib/Transforms/IPO/StripSymbols.cpp test/Transforms/StripSymbols/2010-06-30-StripDebug.ll

[Devang Patel]

Author: dpatel
Date: Wed Jun 30 16:29:00 2010
New Revision: 107323

URL: http://llvm.org/viewvc/llvm-project?rev=107323&view=rev
Log:
Remove all debug info related named mdnodes.

Added:
    llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll
Modified:
    llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp

Modified: llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp?rev=107323&r1=107322&r2=107323&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/StripSymbols.cpp Wed Jun 30 16:29:00 2010
@@ -223,16 +223,12 @@
     Changed = true;
   }
 
-  NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv");
-  if (NMD) {
-    Changed = true;
-    NMD->eraseFromParent();
-  }
-
-  NMD = M.getNamedMetadata("llvm.dbg.lv");
-  if (NMD) {
-    Changed = true;
-    NMD->eraseFromParent();
+  for (Module::named_metadata_iterator NMI = M.named_metadata_begin(),
+         NME = M.named_metadata_end(); NMI != NME;) {
+    NamedMDNode *NMD = NMI;
+    ++NMI;
+    if (NMD->getName().startswith("llvm.dbg."))
+      NMD->eraseFromParent();
   }
 
   unsigned MDDbgKind = M.getMDKindID("dbg");

Added: llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll?rev=107323&view=auto
==============================================================================
--- llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll (added)
+++ llvm/trunk/test/Transforms/StripSymbols/2010-06-30-StripDebug.ll Wed Jun 30 16:29:00 2010
@@ -0,0 +1,28 @@
+; RUN: opt -strip-debug < %s | llvm-dis | grep -v llvm.dbg
+
+ at x = common global i32 0                          ; <i32*> [#uses=0]
+
+define void @foo() nounwind readnone optsize ssp {
+entry:
+  tail call void @llvm.dbg.value(metadata !9, i64 0, metadata !5), !dbg !10
+  ret void, !dbg !11
+}
+
+declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
+
+!llvm.dbg.sp = !{!0}
+!llvm.dbg.lv.foo = !{!5}
+!llvm.dbg.gv = !{!8}
+
+!0 = metadata !{i32 524334, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"foo", metadata !1, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i1 false, i1 true, void ()* @foo} ; [ DW_TAG_subprogram ]
+!1 = metadata !{i32 524329, metadata !"b.c", metadata !"/tmp", metadata !2} ; [ DW_TAG_file_type ]
+!2 = metadata !{i32 524305, i32 0, i32 1, metadata !"b.c", metadata !"/tmp", metadata !"4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", i1 true, i1 true, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!3 = metadata !{i32 524309, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{null}
+!5 = metadata !{i32 524544, metadata !6, metadata !"y", metadata !1, i32 3, metadata !7} ; [ DW_TAG_auto_variable ]
+!6 = metadata !{i32 524299, metadata !0, i32 2, i32 0} ; [ DW_TAG_lexical_block ]
+!7 = metadata !{i32 524324, metadata !1, metadata !"int", metadata !1, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!8 = metadata !{i32 524340, i32 0, metadata !1, metadata !"x", metadata !"x", metadata !"", metadata !1, i32 1, metadata !7, i1 false, i1 true, i32* @x} ; [ DW_TAG_variable ]
+!9 = metadata !{i32 0}
+!10 = metadata !{i32 3, i32 0, metadata !6, null}
+!11 = metadata !{i32 4, i32 0, metadata !6, null}