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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.

llvm-svn: 33608
This commit is contained in:
Reid Spencer 2007-01-28 22:28:00 +00:00
parent 326bf785a2
commit c7765617d2
1 changed files with 11 additions and 4 deletions
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15
llvm/lib/CodeGen/IntrinsicLowering.cpp
View File

@ -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;