> For PR1138: http://llvm.org/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.
What do you mean, "which both target 32-bit machines"? CBE supports
Alpha, sparcv9, x86-64, and ppc64.
-Chris
>
> ---
> Diffs of the changes: (+11 -4)
>
> IntrinsicLowering.cpp | 15 +++++++++++----
> 1 files changed, 11 insertions(+), 4 deletions(-)
>
>
> Index: llvm/lib/CodeGen/IntrinsicLowering.cpp
> diff -u llvm/lib/CodeGen/IntrinsicLowering.cpp:1.59 llvm/lib/
> CodeGen/IntrinsicLowering.cpp:1.60
> --- llvm/lib/CodeGen/IntrinsicLowering.cpp:1.59 Sun Jan 14 20:27:26
> 2007
> +++ llvm/lib/CodeGen/IntrinsicLowering.cpp Sun Jan 28 16:28:00 2007
> @@ -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;
>
>
>
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