[llvm-commits] [llvm] r81045 - in /llvm/trunk: lib/VMCore/LLVMContext.cpp lib/VMCore/Metadata.cpp test/Transforms/GlobalDCE/2009-09-03-MDNode.ll

Devang Patel dpatel at apple.com
Fri Sep 4 14:32:06 PDT 2009


Author: dpatel
Date: Fri Sep  4 16:32:05 2009
New Revision: 81045

URL: http://llvm.org/viewvc/llvm-project?rev=81045&view=rev
Log:
While replacing an MDNode elment, properly update MDNode's operand list. 
MDNode's operand list does not include all elements.

Added:
    llvm/trunk/test/Transforms/GlobalDCE/2009-09-03-MDNode.ll
Modified:
    llvm/trunk/lib/VMCore/LLVMContext.cpp
    llvm/trunk/lib/VMCore/Metadata.cpp

Modified: llvm/trunk/lib/VMCore/LLVMContext.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/LLVMContext.cpp?rev=81045&r1=81044&r2=81045&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/LLVMContext.cpp (original)
+++ llvm/trunk/lib/VMCore/LLVMContext.cpp Fri Sep  4 16:32:05 2009
@@ -62,9 +62,10 @@
       return Changed;
 
     while (!DeadMDNodes.empty()) {
-      const MDNode *N = cast<MDNode>(DeadMDNodes.back()); DeadMDNodes.pop_back();
-      if (N->use_empty())
-	delete N;
+      Value *V = DeadMDNodes.back(); DeadMDNodes.pop_back();
+      if (const MDNode *N = dyn_cast_or_null<MDNode>(V))
+        if (N->use_empty())
+          delete N;
     }
   }
   return Changed;

Modified: llvm/trunk/lib/VMCore/Metadata.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/Metadata.cpp?rev=81045&r1=81044&r2=81045&view=diff

==============================================================================
--- llvm/trunk/lib/VMCore/Metadata.cpp (original)
+++ llvm/trunk/lib/VMCore/Metadata.cpp Fri Sep  4 16:32:05 2009
@@ -72,6 +72,9 @@
     // Only record metadata uses.
     if (MetadataBase *MB = dyn_cast_or_null<MetadataBase>(Vals[i]))
       OperandList[NumOperands++] = MB;
+    else if(Vals[i] && 
+            Vals[i]->getType()->getTypeID() == Type::MetadataTyID)
+      OperandList[NumOperands++] = Vals[i];
     Node.push_back(ElementVH(Vals[i], this));
   }
 }
@@ -144,6 +147,27 @@
     pImpl->MDNodeSet.RemoveNode(this);
   }
 
+  // MDNode only lists metadata elements in operand list, because MDNode
+  // used by MDNode is considered a valid use. However on the side, MDNode
+  // using a non-metadata value is not considered a "use" of non-metadata
+  // value.
+  SmallVector<unsigned, 4> OpIndexes;
+  unsigned OpIndex = 0;
+  for (User::op_iterator OI = op_begin(), OE = op_end();
+       OI != OE; ++OI, OpIndex++) {
+    if (*OI == From)
+      OpIndexes.push_back(OpIndex);
+  }
+  if (MetadataBase *MDTo = dyn_cast_or_null<MetadataBase>(To)) {
+    for (SmallVector<unsigned, 4>::iterator OI = OpIndexes.begin(),
+           OE = OpIndexes.end(); OI != OE; ++OI)
+      setOperand(*OI, MDTo);
+  } else {
+    for (SmallVector<unsigned, 4>::iterator OI = OpIndexes.begin(),
+           OE = OpIndexes.end(); OI != OE; ++OI)
+      setOperand(*OI, 0);
+  }
+
   // Replace From element(s) in place.
   for (SmallVector<unsigned, 4>::iterator I = Indexes.begin(), E = Indexes.end(); 
        I != E; ++I) {

Added: llvm/trunk/test/Transforms/GlobalDCE/2009-09-03-MDNode.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GlobalDCE/2009-09-03-MDNode.ll?rev=81045&view=auto

==============================================================================
--- llvm/trunk/test/Transforms/GlobalDCE/2009-09-03-MDNode.ll (added)
+++ llvm/trunk/test/Transforms/GlobalDCE/2009-09-03-MDNode.ll Fri Sep  4 16:32:05 2009
@@ -0,0 +1,264 @@
+; RUN: llvm-as < %s | opt -globaldce | llc -O0 -o /dev/null
+
+%struct..0__pthread_mutex_s = type { i32, i32, i32, i32, i32, i32, %struct.__pthread_list_t }
+%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>" = type { i32 }
+%struct.__pthread_list_t = type { %struct.__pthread_list_t*, %struct.__pthread_list_t* }
+%struct.pthread_attr_t = type { i64, [48 x i8] }
+%struct.pthread_mutex_t = type { %struct..0__pthread_mutex_s }
+
+ at _ZL20__gthrw_pthread_oncePiPFvvE = alias weak i32 (i32*, void ()*)* @pthread_once ; <i32 (i32*, void ()*)*> [#uses=0]
+ at _ZL27__gthrw_pthread_getspecificj = alias weak i8* (i32)* @pthread_getspecific ; <i8* (i32)*> [#uses=0]
+ at _ZL27__gthrw_pthread_setspecificjPKv = alias weak i32 (i32, i8*)* @pthread_setspecific ; <i32 (i32, i8*)*> [#uses=0]
+ at _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_ = alias weak i32 (i64*, %struct.pthread_attr_t*, i8* (i8*)*, i8*)* @pthread_create ; <i32 (i64*, %struct.pthread_attr_t*, i8* (i8*)*, i8*)*> [#uses=0]
+ at _ZL22__gthrw_pthread_cancelm = alias weak i32 (i64)* @pthread_cancel ; <i32 (i64)*> [#uses=0]
+ at _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t = alias weak i32 (%struct.pthread_mutex_t*)* @pthread_mutex_lock ; <i32 (%struct.pthread_mutex_t*)*> [#uses=0]
+ at _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t = alias weak i32 (%struct.pthread_mutex_t*)* @pthread_mutex_trylock ; <i32 (%struct.pthread_mutex_t*)*> [#uses=0]
+ at _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t = alias weak i32 (%struct.pthread_mutex_t*)* @pthread_mutex_unlock ; <i32 (%struct.pthread_mutex_t*)*> [#uses=0]
+ at _ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t = alias weak i32 (%struct.pthread_mutex_t*, %"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)* @pthread_mutex_init ; <i32 (%struct.pthread_mutex_t*, %"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)*> [#uses=0]
+ at _ZL26__gthrw_pthread_key_createPjPFvPvE = alias weak i32 (i32*, void (i8*)*)* @pthread_key_create ; <i32 (i32*, void (i8*)*)*> [#uses=0]
+ at _ZL26__gthrw_pthread_key_deletej = alias weak i32 (i32)* @pthread_key_delete ; <i32 (i32)*> [#uses=0]
+ at _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t = alias weak i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)* @pthread_mutexattr_init ; <i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)*> [#uses=0]
+ at _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti = alias weak i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*, i32)* @pthread_mutexattr_settype ; <i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*, i32)*> [#uses=0]
+ at _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t = alias weak i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)* @pthread_mutexattr_destroy ; <i32 (%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)*> [#uses=0]
+
+define weak void @_ZN9__gnu_cxx26__aux_require_boolean_exprIbEEvRKT_(i8* %__t) {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !0)
+  tail call void @llvm.dbg.stoppoint(i32 240, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !0)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_19_ConvertibleConceptIjjEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !8)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !8)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !11)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !11)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPKcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !12)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !12)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !13)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !13)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPKwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !14)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !14)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIPwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !15)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !15)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIPcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !16)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !16)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIiEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !17)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !17)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIlEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !18)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !18)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIxEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !19)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !19)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIjEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !20)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !20)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_22_OutputIteratorConceptISt19ostreambuf_iteratorIcSt11char_traitsIcEEcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !21)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !21)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_22_OutputIteratorConceptISt19ostreambuf_iteratorIwSt11char_traitsIwEEwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !22)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !22)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptIPcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !23)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !23)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptIPKcEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !24)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !24)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptINS_17__normal_iteratorIPKcSsEEEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !25)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !25)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptINS_17__normal_iteratorIPcSsEEEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !26)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !26)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptINS_17__normal_iteratorIPKwSbIwSt11char_traitsIwESaIwEEEEEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !27)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !27)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptINS_17__normal_iteratorIPwSbIwSt11char_traitsIwESaIwEEEEEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !28)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !28)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptIPwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !29)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !29)
+  ret void
+}
+
+define weak void @_ZN9__gnu_cxx19__function_requiresINS_28_RandomAccessIteratorConceptIPKwEEEEvv() {
+entry:
+  tail call void @llvm.dbg.func.start(metadata !30)
+  tail call void @llvm.dbg.stoppoint(i32 63, i32 0, metadata !2)
+  tail call void @llvm.dbg.region.end(metadata !30)
+  ret void
+}
+
+declare void @llvm.dbg.func.start(metadata) nounwind readnone
+
+declare void @llvm.dbg.stoppoint(i32, i32, metadata) nounwind readnone
+
+declare void @llvm.dbg.region.end(metadata) nounwind readnone
+
+declare extern_weak i32 @pthread_once(i32*, void ()*)
+
+declare extern_weak i8* @pthread_getspecific(i32)
+
+declare extern_weak i32 @pthread_setspecific(i32, i8*)
+
+declare extern_weak i32 @pthread_create(i64*, %struct.pthread_attr_t*, i8* (i8*)*, i8*)
+
+declare extern_weak i32 @pthread_cancel(i64)
+
+declare extern_weak i32 @pthread_mutex_lock(%struct.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_trylock(%struct.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_unlock(%struct.pthread_mutex_t*)
+
+declare extern_weak i32 @pthread_mutex_init(%struct.pthread_mutex_t*, %"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)
+
+declare extern_weak i32 @pthread_key_create(i32*, void (i8*)*)
+
+declare extern_weak i32 @pthread_key_delete(i32)
+
+declare extern_weak i32 @pthread_mutexattr_init(%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)
+
+declare extern_weak i32 @pthread_mutexattr_settype(%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*, i32)
+
+declare extern_weak i32 @pthread_mutexattr_destroy(%"struct.__gnu_cxx::_ConvertibleConcept<unsigned int,unsigned int>"*)
+
+!0 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__aux_require_boolean_expr<bool>", metadata !"__aux_require_boolean_expr<bool>", metadata !"_ZN9__gnu_cxx26__aux_require_boolean_exprIbEEvRKT_", metadata !2, i32 239, metadata !3, i1 false, i1 true}
+!1 = metadata !{i32 458769, i32 0, i32 4, metadata !"concept-inst.cc", metadata !"/home/buildbot/buildslave/llvm-x86_64-linux-selfhost/llvm-gcc.obj/x86_64-unknown-linux-gnu/libstdc++-v3/src/../../../../llvm-gcc.src/libstdc++-v3/src", metadata !"4.2.1 (Based on Apple Inc. build 5649) (LLVM build)", i1 true, i1 true, metadata !"", i32 0}
+!2 = metadata !{i32 458769, i32 0, i32 4, metadata !"boost_concept_check.h", metadata !"/home/buildbot/buildslave/llvm-x86_64-linux-selfhost/llvm-gcc.obj/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits", metadata !"4.2.1 (Based on Apple Inc. build 5649) (LLVM build)", i1 false, i1 true, metadata !"", i32 0}
+!3 = metadata !{i32 458773, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0}
+!4 = metadata !{null, metadata !5}
+!5 = metadata !{i32 458768, metadata !1, metadata !"", metadata !1, i32 0, i64 64, i64 64, i64 0, i32 0, metadata !6}
+!6 = metadata !{i32 458790, metadata !1, metadata !"", metadata !1, i32 0, i64 8, i64 8, i64 0, i32 0, metadata !7}
+!7 = metadata !{i32 458788, metadata !1, metadata !"bool", metadata !1, i32 0, i64 8, i64 8, i64 0, i32 0, i32 2}
+!8 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_ConvertibleConcept<unsigned int, unsigned int> >", metadata !"__function_requires<__gnu_cxx::_ConvertibleConcept<unsigned int, unsigned int> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_19_ConvertibleConceptIjjEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!9 = metadata !{i32 458773, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !10, i32 0}
+!10 = metadata !{null}
+!11 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<char*> >", metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<char*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPcEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!12 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<const char*> >", metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<const char*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPKcEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!13 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<wchar_t*> >", metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<wchar_t*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPwEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!14 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<const wchar_t*> >", metadata !"__function_requires<__gnu_cxx::_InputIteratorConcept<const wchar_t*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_21_InputIteratorConceptIPKwEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!15 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<wchar_t*> >", metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<wchar_t*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIPwEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!16 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<char*> >", metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<char*> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIPcEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!17 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<int> >", metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<int> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIiEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!18 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<long int> >", metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<long int> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIlEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
+!19 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<long long int> >", metadata !"__function_requires<__gnu_cxx::_LessThanComparableConcept<long long int> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_26_LessThanComparableConceptIxEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
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+!21 = metadata !{i32 458798, i32 0, metadata !1, metadata !"__function_requires<__gnu_cxx::_OutputIteratorConcept<std::ostreambuf_iterator<char, std::char_traits<char> >, char> >", metadata !"__function_requires<__gnu_cxx::_OutputIteratorConcept<std::ostreambuf_iterator<char, std::char_traits<char> >, char> >", metadata !"_ZN9__gnu_cxx19__function_requiresINS_22_OutputIteratorConceptISt19ostreambuf_iteratorIcSt11char_traitsIcEEcEEEEvv", metadata !2, i32 61, metadata !9, i1 false, i1 true}
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