Vendor import of llvm trunk r240225:

https://llvm.org/svn/llvm-project/llvm/trunk@240225

5 files changed, 39 insertions, 30 deletions

diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 97caefb..e79eeb0 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -232,6 +232,8 @@ static uint64_t getAttrKindEncoding(Attribute::AttrKind Kind) {
     return bitc::ATTR_KIND_STACK_PROTECT_REQ;
   case Attribute::StackProtectStrong:
     return bitc::ATTR_KIND_STACK_PROTECT_STRONG;
+  case Attribute::SafeStack:
+    return bitc::ATTR_KIND_SAFESTACK;
   case Attribute::StructRet:
     return bitc::ATTR_KIND_STRUCT_RET;
   case Attribute::SanitizeAddress:
@@ -693,7 +695,7 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
   for (const Function &F : *M) {
     // FUNCTION:  [type, callingconv, isproto, linkage, paramattrs, alignment,
     //             section, visibility, gc, unnamed_addr, prologuedata,
-    //             dllstorageclass, comdat, prefixdata]
+    //             dllstorageclass, comdat, prefixdata, personalityfn]
     Vals.push_back(VE.getTypeID(F.getFunctionType()));
     Vals.push_back(F.getCallingConv());
     Vals.push_back(F.isDeclaration());
@@ -710,6 +712,8 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
     Vals.push_back(F.hasComdat() ? VE.getComdatID(F.getComdat()) : 0);
     Vals.push_back(F.hasPrefixData() ? (VE.getValueID(F.getPrefixData()) + 1)
                                      : 0);
+    Vals.push_back(
+        F.hasPersonalityFn() ? (VE.getValueID(F.getPersonalityFn()) + 1) : 0);
 
     unsigned AbbrevToUse = 0;
     Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse);
@@ -1857,7 +1861,6 @@ static void WriteInstruction(const Instruction &I, unsigned InstID,
     const LandingPadInst &LP = cast<LandingPadInst>(I);
     Code = bitc::FUNC_CODE_INST_LANDINGPAD;
     Vals.push_back(VE.getTypeID(LP.getType()));
-    PushValueAndType(LP.getPersonalityFn(), InstID, Vals, VE);
     Vals.push_back(LP.isCleanup());
     Vals.push_back(LP.getNumClauses());
     for (unsigned I = 0, E = LP.getNumClauses(); I != E; ++I) {
@@ -2403,10 +2406,7 @@ enum {
 
 static void WriteInt32ToBuffer(uint32_t Value, SmallVectorImpl<char> &Buffer,
                                uint32_t &Position) {
-  Buffer[Position + 0] = (unsigned char) (Value >>  0);
-  Buffer[Position + 1] = (unsigned char) (Value >>  8);
-  Buffer[Position + 2] = (unsigned char) (Value >> 16);
-  Buffer[Position + 3] = (unsigned char) (Value >> 24);
+  support::endian::write32le(&Buffer[Position], Value);
   Position += 4;
 }
 
diff --git a/lib/Bitcode/Writer/BitcodeWriterPass.cpp b/lib/Bitcode/Writer/BitcodeWriterPass.cpp
index 3165743..c890380 100644
--- a/lib/Bitcode/Writer/BitcodeWriterPass.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriterPass.cpp
@@ -41,7 +41,7 @@ namespace {
       return false;
     }
   };
-}
+} // namespace
 
 char WriteBitcodePass::ID = 0;
 
diff --git a/lib/Bitcode/Writer/CMakeLists.txt b/lib/Bitcode/Writer/CMakeLists.txt
index f097b09..82dc6b2 100644
--- a/lib/Bitcode/Writer/CMakeLists.txt
+++ b/lib/Bitcode/Writer/CMakeLists.txt
@@ -3,4 +3,7 @@ add_llvm_library(LLVMBitWriter
   BitcodeWriter.cpp
   BitcodeWriterPass.cpp
   ValueEnumerator.cpp
+
+  DEPENDS
+  intrinsics_gen
   )
diff --git a/lib/Bitcode/Writer/ValueEnumerator.cpp b/lib/Bitcode/Writer/ValueEnumerator.cpp
index 6c517f5..53c3a40 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.cpp
+++ b/lib/Bitcode/Writer/ValueEnumerator.cpp
@@ -52,7 +52,7 @@ struct OrderMap {
     IDs[V].first = ID;
   }
 };
-}
+} // namespace
 
 static void orderValue(const Value *V, OrderMap &OM) {
   if (OM.lookup(V).first)
@@ -93,6 +93,9 @@ static OrderMap orderModule(const Module &M) {
     if (F.hasPrologueData())
       if (!isa<GlobalValue>(F.getPrologueData()))
         orderValue(F.getPrologueData(), OM);
+    if (F.hasPersonalityFn())
+      if (!isa<GlobalValue>(F.getPersonalityFn()))
+        orderValue(F.getPersonalityFn(), OM);
   }
   OM.LastGlobalConstantID = OM.size();
 
@@ -274,6 +277,8 @@ static UseListOrderStack predictUseListOrder(const Module &M) {
       predictValueUseListOrder(F.getPrefixData(), nullptr, OM, Stack);
     if (F.hasPrologueData())
       predictValueUseListOrder(F.getPrologueData(), nullptr, OM, Stack);
+    if (F.hasPersonalityFn())
+      predictValueUseListOrder(F.getPersonalityFn(), nullptr, OM, Stack);
   }
 
   return Stack;
@@ -291,44 +296,45 @@ ValueEnumerator::ValueEnumerator(const Module &M,
     UseListOrders = predictUseListOrder(M);
 
   // Enumerate the global variables.
-  for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I)
-    EnumerateValue(I);
+  for (const GlobalVariable &GV : M.globals())
+    EnumerateValue(&GV);
 
   // Enumerate the functions.
-  for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I) {
-    EnumerateValue(I);
-    EnumerateAttributes(cast<Function>(I)->getAttributes());
+  for (const Function & F : M) {
+    EnumerateValue(&F);
+    EnumerateAttributes(F.getAttributes());
   }
 
   // Enumerate the aliases.
-  for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
-       I != E; ++I)
-    EnumerateValue(I);
+  for (const GlobalAlias &GA : M.aliases())
+    EnumerateValue(&GA);
 
   // Remember what is the cutoff between globalvalue's and other constants.
   unsigned FirstConstant = Values.size();
 
   // Enumerate the global variable initializers.
-  for (Module::const_global_iterator I = M.global_begin(), E = M.global_end();
-       I != E; ++I)
-    if (I->hasInitializer())
-      EnumerateValue(I->getInitializer());
+  for (const GlobalVariable &GV : M.globals())
+    if (GV.hasInitializer())
+      EnumerateValue(GV.getInitializer());
 
   // Enumerate the aliasees.
-  for (Module::const_alias_iterator I = M.alias_begin(), E = M.alias_end();
-       I != E; ++I)
-    EnumerateValue(I->getAliasee());
+  for (const GlobalAlias &GA : M.aliases())
+    EnumerateValue(GA.getAliasee());
 
   // Enumerate the prefix data constants.
-  for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
-    if (I->hasPrefixData())
-      EnumerateValue(I->getPrefixData());
+  for (const Function &F : M)
+    if (F.hasPrefixData())
+      EnumerateValue(F.getPrefixData());
 
   // Enumerate the prologue data constants.
+  for (const Function &F : M)
+    if (F.hasPrologueData())
+      EnumerateValue(F.getPrologueData());
+
+  // Enumerate the personality functions.
   for (Module::const_iterator I = M.begin(), E = M.end(); I != E; ++I)
-    if (I->hasPrologueData())
-      EnumerateValue(I->getPrologueData());
+    if (I->hasPersonalityFn())
+      EnumerateValue(I->getPersonalityFn());
 
   // Enumerate the metadata type.
   //
diff --git a/lib/Bitcode/Writer/ValueEnumerator.h b/lib/Bitcode/Writer/ValueEnumerator.h
index 92d166e..b2daa48 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/lib/Bitcode/Writer/ValueEnumerator.h
@@ -203,6 +203,6 @@ private:
   void EnumerateNamedMetadata(const Module &M);
 };
 
-} // End llvm namespace
+} // namespace llvm
 
 #endif