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

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arbitrary integer width for the count.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59823 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-11-21 16:42:48 +00:00
parent dc770929cb
commit 824b958e6f
12 changed files with 70 additions and 80 deletions
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lib/CodeGen/IntrinsicLowering.cpp
+6 -12
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@@ -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();