reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an

arbitrary integer width for the count.

llvm-svn: 59823

2 files changed, 9 insertions, 18 deletions

diff --git a/llvm/lib/CodeGen/IntrinsicLowering.cpp b/llvm/lib/CodeGen/IntrinsicLowering.cpp
index 7c549bc9a18..960d660cb94 100644
--- a/llvm/lib/CodeGen/IntrinsicLowering.cpp
+++ b/llvm/lib/CodeGen/IntrinsicLowering.cpp
@@ -98,22 +98,19 @@ void IntrinsicLowering::AddPrototypes(Module &M) {
         EnsureFunctionExists(M, "abort", I->arg_end(), I->arg_end(),
                              Type::VoidTy);
         break;
-      case Intrinsic::memcpy_i32:
-      case Intrinsic::memcpy_i64:
+      case Intrinsic::memcpy:
         M.getOrInsertFunction("memcpy", PointerType::getUnqual(Type::Int8Ty),
                               PointerType::getUnqual(Type::Int8Ty), 
                               PointerType::getUnqual(Type::Int8Ty), 
                               TD.getIntPtrType(), (Type *)0);
         break;
-      case Intrinsic::memmove_i32:
-      case Intrinsic::memmove_i64:
+      case Intrinsic::memmove:
         M.getOrInsertFunction("memmove", PointerType::getUnqual(Type::Int8Ty),
                               PointerType::getUnqual(Type::Int8Ty), 
                               PointerType::getUnqual(Type::Int8Ty), 
                               TD.getIntPtrType(), (Type *)0);
         break;
-      case Intrinsic::memset_i32:
-      case Intrinsic::memset_i64:
+      case Intrinsic::memset:
         M.getOrInsertFunction("memset", PointerType::getUnqual(Type::Int8Ty),
                               PointerType::getUnqual(Type::Int8Ty), 
                               Type::Int32Ty, 
@@ -784,8 +781,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
   case Intrinsic::var_annotation:
     break;   // Strip out annotate intrinsic
     
-  case Intrinsic::memcpy_i32:
-  case Intrinsic::memcpy_i64: {
+  case Intrinsic::memcpy: {
     static Constant *MemcpyFCache = 0;
     Value *Size = CI->getOperand(3);
     const Type *IntPtr = TD.getIntPtrType();
@@ -803,8 +799,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
                     MemcpyFCache);
     break;
   }
-  case Intrinsic::memmove_i32: 
-  case Intrinsic::memmove_i64: {
+  case Intrinsic::memmove: {
     static Constant *MemmoveFCache = 0;
     Value *Size = CI->getOperand(3);
     const Type *IntPtr = TD.getIntPtrType();
@@ -822,8 +817,7 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) {
                     MemmoveFCache);
     break;
   }
-  case Intrinsic::memset_i32:
-  case Intrinsic::memset_i64: {
+  case Intrinsic::memset: {
     static Constant *MemsetFCache = 0;
     Value *Size = CI->getOperand(3);
     const Type *IntPtr = TD.getIntPtrType();
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index 64bcd314c92..94170420d0f 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -3663,8 +3663,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
   case Intrinsic::longjmp:
     return "_longjmp"+!TLI.usesUnderscoreLongJmp();
     break;
-  case Intrinsic::memcpy_i32:
-  case Intrinsic::memcpy_i64: {
+  case Intrinsic::memcpy: {
     SDValue Op1 = getValue(I.getOperand(1));
     SDValue Op2 = getValue(I.getOperand(2));
     SDValue Op3 = getValue(I.getOperand(3));
@@ -3673,8 +3672,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
                               I.getOperand(1), 0, I.getOperand(2), 0));
     return 0;
   }
-  case Intrinsic::memset_i32:
-  case Intrinsic::memset_i64: {
+  case Intrinsic::memset: {
     SDValue Op1 = getValue(I.getOperand(1));
     SDValue Op2 = getValue(I.getOperand(2));
     SDValue Op3 = getValue(I.getOperand(3));
@@ -3683,8 +3681,7 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
                               I.getOperand(1), 0));
     return 0;
   }
-  case Intrinsic::memmove_i32:
-  case Intrinsic::memmove_i64: {
+  case Intrinsic::memmove: {
     SDValue Op1 = getValue(I.getOperand(1));
     SDValue Op2 = getValue(I.getOperand(2));
     SDValue Op3 = getValue(I.getOperand(3));