From: Devang Patel <dpatel@apple.com>
Date: Thu, 4 Aug 2011 20:02:18 +0000 (+0000)
Subject: We need to map DebugLoc. It leads to Fuction * (through subprogram entry node) which... 
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=1f35b178858c693261b08ab41022f92e250e08b4

We need to map DebugLoc. It leads to Fuction * (through subprogram entry node) which should be appropriately mapped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136910 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Utils/ValueMapper.cpp b/lib/Transforms/Utils/ValueMapper.cpp
index 973b105a1cb..fc2538db648 100644
--- a/lib/Transforms/Utils/ValueMapper.cpp
+++ b/lib/Transforms/Utils/ValueMapper.cpp
@@ -183,10 +183,9 @@ void llvm::RemapInstruction(Instruction *I, ValueToValueMapTy &VMap,
     }
   }
 
-  // Remap attached metadata.  Don't bother remapping DebugLoc, it can never
-  // have mappings to do.
+  // Remap attached metadata.
   SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
-  I->getAllMetadataOtherThanDebugLoc(MDs);
+  I->getAllMetadata(MDs);
   for (SmallVectorImpl<std::pair<unsigned, MDNode *> >::iterator
        MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI) {
     MDNode *Old = MI->second;
diff --git a/test/Linker/2011-08-04-DebugLoc.ll b/test/Linker/2011-08-04-DebugLoc.ll
new file mode 100644
index 00000000000..699f0b53546
--- /dev/null
+++ b/test/Linker/2011-08-04-DebugLoc.ll
@@ -0,0 +1,26 @@
+; RUN: llvm-link %s %p/2011-08-04-DebugLoc2.ll -o %t.bc
+; RUN: llvm-dis < %t.bc | FileCheck %s
+; Test if DebugLoc is mapped properly or not.
+
+
+;CHECK-NOT: metadata !{i32 589870, i32 0, metadata !{{[0-9]+}}, metadata !"bar", metadata !"bar", metadata !"", metadata !{{[0-9]+}}, i32 1, metadata !{{[0-9]+}}, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, null, null, null}
+
+
+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"
+target triple = "x86_64-apple-macosx10.7.0"
+
+define i32 @foo() nounwind ssp {
+  ret i32 42, !dbg !6
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"a.c", metadata !"/private/tmp", metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"foo", metadata !"foo", metadata !"", metadata !2, i32 2, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @foo, null, null} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 589865, metadata !"a.c", metadata !"/private/tmp", metadata !0} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 589860, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!6 = metadata !{i32 2, i32 13, metadata !7, null}
+!7 = metadata !{i32 589835, metadata !1, i32 2, i32 11, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]
diff --git a/test/Linker/2011-08-04-DebugLoc2.ll b/test/Linker/2011-08-04-DebugLoc2.ll
new file mode 100644
index 00000000000..f30e1805f40
--- /dev/null
+++ b/test/Linker/2011-08-04-DebugLoc2.ll
@@ -0,0 +1,23 @@
+; This file is used by 2011-08-04-DebugLoc.ll, so it doesn't actually do anything itself
+;
+; RUN: true
+
+
+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"
+target triple = "x86_64-apple-macosx10.7.0"
+
+define i32 @bar() nounwind ssp {
+  ret i32 21, !dbg !6
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.dbg.sp = !{!1}
+
+!0 = metadata !{i32 589841, i32 0, i32 12, metadata !"b.c", metadata !"/private/tmp", metadata !"Apple clang version 3.0 (tags/Apple/clang-209.11) (based on LLVM 3.0svn)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{i32 589870, i32 0, metadata !2, metadata !"bar", metadata !"bar", metadata !"", metadata !2, i32 1, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @bar, null, null} ; [ DW_TAG_subprogram ]
+!2 = metadata !{i32 589865, metadata !"b.c", metadata !"/private/tmp", metadata !0} ; [ DW_TAG_file_type ]
+!3 = metadata !{i32 589845, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 589860, metadata !0, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
+!6 = metadata !{i32 1, i32 13, metadata !7, null}
+!7 = metadata !{i32 589835, metadata !1, i32 1, i32 11, metadata !2, i32 0} ; [ DW_TAG_lexical_block ]