handle memmove intrinsic

2 files changed, 18 insertions, 0 deletions

diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 8bdbc5852f..f43530e8b8 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -139,6 +139,7 @@ namespace {
     HeapData GlobalData64;
     GlobalAddressMap GlobalAddresses;
     NameSet Externals;
+    NameSet Declares;
     std::string PostSets;
 
     #include "CallHandlers.h"
@@ -2282,6 +2283,15 @@ void CppWriter::printModuleBody() {
       Out << "\"" + I->getName() + "\"";
     }
   }
+  for (NameSet::iterator I = Declares.begin(), E = Declares.end();
+       I != E; ++I) {
+    if (first) {
+      first = false;
+    } else {
+      Out << ", ";
+    }
+    Out << "\"" + *I + "\"";
+  }
   Out << "],";
   Out << "\"externs\": [";
   first = true;
diff --git a/lib/Target/CppBackend/CallHandlers.h b/lib/Target/CppBackend/CallHandlers.h
index 3fc7d9a875..34c8c9b9d0 100644
--- a/lib/Target/CppBackend/CallHandlers.h
+++ b/lib/Target/CppBackend/CallHandlers.h
@@ -30,13 +30,20 @@ DEF_CALL_HANDLER(llvm_nacl_atomic_store_i32, {
 })
 
 DEF_CALL_HANDLER(llvm_memcpy_p0i8_p0i8_i32, {
+  Declares.insert("memcpy");
   return CH___default__(CI, "_memcpy", 3) + "|0";
 })
 
 DEF_CALL_HANDLER(llvm_memset_p0i8_i32, {
+  Declares.insert("memmset");
   return CH___default__(CI, "_memset", 3) + "|0";
 })
 
+DEF_CALL_HANDLER(llvm_memmove_p0i8_p0i8_i32, {
+  Declares.insert("memmove");
+  return CH___default__(CI, "_memmove", 3) + "|0";
+})
+
 // Setups
 
 void setupCallHandlers() {
@@ -48,6 +55,7 @@ void setupCallHandlers() {
   SETUP_CALL_HANDLER(llvm_nacl_atomic_store_i32);
   SETUP_CALL_HANDLER(llvm_memcpy_p0i8_p0i8_i32);
   SETUP_CALL_HANDLER(llvm_memset_p0i8_i32);
+  SETUP_CALL_HANDLER(llvm_memmove_p0i8_p0i8_i32);
 }
 
 std::string handleCall(const CallInst *CI) {