Add constant blinding/pooling option for X8632 code translation

src/IceELFObjectWriter.cpp

Index: src/IceELFObjectWriter.cpp
diff --git a/src/IceELFObjectWriter.cpp b/src/IceELFObjectWriter.cpp
index 9c75482def48ede32edf4d4d097cd5b04e14e768..2f86c8dffe1234d7ca93299bb14a14baa22f1397 100644
--- a/src/IceELFObjectWriter.cpp
+++ b/src/IceELFObjectWriter.cpp
@@ -383,8 +383,9 @@ void ELFObjectWriter::writeDataOfType(SectionType ST,
       for (VariableDeclaration::Initializer *Init : Var->getInitializers()) {
         switch (Init->getKind()) {
         case VariableDeclaration::Initializer::DataInitializerKind: {
-          const auto Data = llvm::cast<VariableDeclaration::DataInitializer>(
-                                Init)->getContents();
+          const auto Data =
+              llvm::cast<VariableDeclaration::DataInitializer>(Init)
+                  ->getContents();
           Section->appendData(Str, llvm::StringRef(Data.data(), Data.size()));
           break;
         }
@@ -487,7 +488,8 @@ template <typename ConstType> void ELFObjectWriter::writeConstantPool(Type Ty) {
   // between entries.
   assert(WriteAmt % Align == 0);
   // Check that we write the full PrimType.
-  assert(WriteAmt == sizeof(typename ConstType::PrimType));
+  assert(WriteAmt == sizeof(typename ConstType::PrimType) ||

[Jim Stichnoth, 2015/06/19 16:51:02]

I think this assert should be removed.  The comment above, "Check that we write
the full PrimType", can be moved to the line "assert(WriteAmt == EntSize);".

[qining, 2015/06/19 20:22:25]

Done.

+         WriteAmt == sizeof(short) || WriteAmt == sizeof(char));
   const Elf64_Xword ShFlags = SHF_ALLOC | SHF_MERGE;
   std::string SecBuffer;
   llvm::raw_string_ostream SecStrBuf(SecBuffer);
@@ -503,6 +505,8 @@ template <typename ConstType> void ELFObjectWriter::writeConstantPool(Type Ty) {
 
   // Write the data.
   for (Constant *C : Pool) {
+    if (!C->shouldBePooled)
+      continue;
     auto Const = llvm::cast<ConstType>(C);
     std::string SymBuffer;
     llvm::raw_string_ostream SymStrBuf(SymBuffer);
@@ -528,6 +532,8 @@ template void ELFObjectWriter::writeConstantPool<ConstantFloat>(Type Ty);
 
 template void ELFObjectWriter::writeConstantPool<ConstantDouble>(Type Ty);
 
+template void ELFObjectWriter::writeConstantPool<ConstantInteger32>(Type Ty);
+
 void ELFObjectWriter::writeAllRelocationSections() {
   writeRelocationSections(RelTextSections);
   writeRelocationSections(RelDataSections);