Add support for memcpy and memmove intrinsics. Why isn't the cwriter using

the intrinsiclowering code?? :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11362 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index be6d4355fc7176ef79db45d1157036f348f9b42c..43f50e9843b8554ebe032a4f2086f2aa86964d1d 100644 (file)
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1302,6 +1302,24 @@ void CWriter::visitCallInst(CallInst &I) {
         // exception throw.
         Out << "abort()";
         return;
+      case Intrinsic::memcpy:
+        Out << "memcpy(";
+        writeOperand(I.getOperand(1));
+        Out << ", ";
+        writeOperand(I.getOperand(2));
+        Out << ", ";
+        writeOperand(I.getOperand(3));
+        Out << ")";
+        return;
+      case Intrinsic::memmove:
+        Out << "memmove(";
+        writeOperand(I.getOperand(1));
+        Out << ", ";
+        writeOperand(I.getOperand(2));
+        Out << ", ";
+        writeOperand(I.getOperand(3));
+        Out << ")";
+        return;
       }
     }
   visitCallSite(&I);

diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index be6d4355fc7176ef79db45d1157036f348f9b42c..43f50e9843b8554ebe032a4f2086f2aa86964d1d 100644 (file)
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -1302,6 +1302,24 @@ void CWriter::visitCallInst(CallInst &I) {
         // exception throw.
         Out << "abort()";
         return;
+      case Intrinsic::memcpy:
+        Out << "memcpy(";
+        writeOperand(I.getOperand(1));
+        Out << ", ";
+        writeOperand(I.getOperand(2));
+        Out << ", ";
+        writeOperand(I.getOperand(3));
+        Out << ")";
+        return;
+      case Intrinsic::memmove:
+        Out << "memmove(";
+        writeOperand(I.getOperand(1));
+        Out << ", ";
+        writeOperand(I.getOperand(2));
+        Out << ", ";
+        writeOperand(I.getOperand(3));
+        Out << ")";
+        return;
       }
     }
   visitCallSite(&I);