For PR1138:
Force memcpy to be the 32-bit variant. Since this is only used with
CBE and lli which both target 32-bit machines, this should be okay.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33608 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index 72a1d14..65835da 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -77,13 +77,17 @@
break;
case Intrinsic::memcpy_i32:
case Intrinsic::memcpy_i64:
- EnsureFunctionExists(M, "memcpy", I->arg_begin(), --I->arg_end(),
- I->arg_begin()->getType());
+ M.getOrInsertFunction("memcpy", PointerType::get(Type::Int8Ty),
+ PointerType::get(Type::Int8Ty),
+ PointerType::get(Type::Int8Ty), Type::Int32Ty,
+ (Type *)0);
break;
case Intrinsic::memmove_i32:
case Intrinsic::memmove_i64:
- EnsureFunctionExists(M, "memmove", I->arg_begin(), --I->arg_end(),
- I->arg_begin()->getType());
+ M.getOrInsertFunction("memmove", PointerType::get(Type::Int8Ty),
+ PointerType::get(Type::Int8Ty),
+ PointerType::get(Type::Int8Ty), Type::Int32Ty,
+ (Type *)0);
break;
case Intrinsic::memset_i32:
case Intrinsic::memset_i64:
@@ -360,6 +364,9 @@
}
case Intrinsic::memcpy_i64: {
static Constant *MemcpyFCache = 0;
+ Value * Size = cast<Value>(CI->op_end()-1);
+ if (Size->getType() != Type::Int32Ty)
+ Size->replaceAllUsesWith(new TruncInst(Size, Type::Int32Ty));
ReplaceCallWith("memcpy", CI, CI->op_begin()+1, CI->op_end()-1,
(*(CI->op_begin()+1))->getType(), MemcpyFCache);
break;