diff options
Diffstat (limited to 'lib/CodeGen/IntrinsicLowering.cpp')
| -rw-r--r-- | lib/CodeGen/IntrinsicLowering.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp index 72a1d1485b..65835da4f0 100644 --- a/lib/CodeGen/IntrinsicLowering.cpp +++ b/lib/CodeGen/IntrinsicLowering.cpp @@ -77,13 +77,17 @@ void IntrinsicLowering::AddPrototypes(Module &M) { 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 @@ void IntrinsicLowering::LowerIntrinsicCall(CallInst *CI) { } 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; |