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Added a 'cast' intrinsic

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This commit is contained in:
Brian Fiete 2020-02-19 13:16:33 -08:00
parent 660e7d8125
commit 1f20d76f94
14 changed files with 75 additions and 22 deletions
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39
IDEHelper/Compiler/BfIRCodeGen.cpp
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@ -143,6 +143,7 @@ static const BuiltinEntry gIntrinEntries[] =
{"atomic_xchg"},
{"atomic_xor"},
{"bswap"},
{"cast"},
{"cos"},
{"floor"},
{"free"},
@ -1815,18 +1816,24 @@ void BfIRCodeGen::HandleNextCmd()
case BfIRCmd_GetIntrinsic:
{
CMD_PARAM(int, intrinId);
CMD_PARAM(llvm::Type*, returnType);
CMD_PARAM(CmdParamVec<llvm::Type*>, paramTypes);
bool isFakeIntrinsic = false;
if ((intrinId >= BfIRIntrinsic_Atomic_FIRST) && (intrinId <= BfIRIntrinsic_Atomic_LAST))
if (((intrinId >= BfIRIntrinsic_Atomic_FIRST) && (intrinId <= BfIRIntrinsic_Atomic_LAST)) ||
(intrinId == BfIRIntrinsic_Cast))
{
isFakeIntrinsic = true;
}
if (isFakeIntrinsic)
{
{
auto intrinsicData = mAlloc.Alloc<BfIRIntrinsicData>();
intrinsicData->mIntrinsic = (BfIRIntrinsic)intrinId;
intrinsicData->mReturnType = returnType;
BfIRCodeGenEntry entry;
entry.mKind = BfIRCodeGenEntryKind_FakeIntrinsic;
entry.mIntrinsic = (BfIRIntrinsic)intrinId;
entry.mKind = BfIRCodeGenEntryKind_IntrinsicData;
entry.mIntrinsicData = intrinsicData;
mResults.TryAdd(curId, entry);
break;
}
@ -1863,6 +1870,7 @@ void BfIRCodeGen::HandleNextCmd()
{ (llvm::Intrinsic::ID)-1, -1}, // AtomicXChg,
{ (llvm::Intrinsic::ID)-1, -1}, // AtomicXor,
{ llvm::Intrinsic::bswap, -1},
{ (llvm::Intrinsic::ID) - 1, -1}, // cast,
{ llvm::Intrinsic::cos, -1},
{ llvm::Intrinsic::floor, -1},
{ (llvm::Intrinsic::ID)-1, -1}, // free
@ -2005,9 +2013,11 @@ void BfIRCodeGen::HandleNextCmd()
Read(func, &codeGenEntry);
CMD_PARAM(CmdParamVec<llvm::Value*>, args);
if ((func == NULL) && (codeGenEntry != NULL) && (codeGenEntry->mKind == BfIRCodeGenEntryKind_FakeIntrinsic))
if ((func == NULL) && (codeGenEntry != NULL) && (codeGenEntry->mKind == BfIRCodeGenEntryKind_IntrinsicData))
{
switch (codeGenEntry->mIntrinsic)
auto intrinsicData = codeGenEntry->mIntrinsicData;
switch (intrinsicData->mIntrinsic)
{
case BfIRIntrinsic_AtomicCmpStore:
case BfIRIntrinsic_AtomicCmpStore_Weak:
@ -2077,11 +2087,11 @@ void BfIRCodeGen::HandleNextCmd()
}
auto inst = mIRBuilder->CreateAtomicCmpXchg(args[0], args[1], args[2], successOrdering, failOrdering);
if (codeGenEntry->mIntrinsic == BfIRIntrinsic_AtomicCmpStore_Weak)
if (intrinsicData->mIntrinsic == BfIRIntrinsic_AtomicCmpStore_Weak)
inst->setWeak(true);
if ((memoryKind & BfIRAtomicOrdering_Volatile) != 0)
inst->setVolatile(true);
if (codeGenEntry->mIntrinsic == BfIRIntrinsic_AtomicCmpXChg)
if (intrinsicData->mIntrinsic == BfIRIntrinsic_AtomicCmpXChg)
{
auto prevVal = mIRBuilder->CreateExtractValue(inst, 0);
SetResult(curId, prevVal);
@ -2218,7 +2228,7 @@ void BfIRCodeGen::HandleNextCmd()
bool isFloat = args[1]->getType()->isFloatingPointTy();
auto op = llvm::AtomicRMWInst::BinOp::Add;
switch (codeGenEntry->mIntrinsic)
switch (intrinsicData->mIntrinsic)
{
case BfIRIntrinsic_AtomicAdd:
op = llvm::AtomicRMWInst::BinOp::Add;
@ -2293,7 +2303,7 @@ void BfIRCodeGen::HandleNextCmd()
llvm::Value* result = atomicRMW;
if ((memoryKind & BfIRAtomicOrdering_ReturnModified) != 0)
{
switch (codeGenEntry->mIntrinsic)
switch (intrinsicData->mIntrinsic)
{
case BfIRIntrinsic_AtomicAdd:
if (isFloat)
@ -2310,7 +2320,7 @@ void BfIRCodeGen::HandleNextCmd()
case BfIRIntrinsic_AtomicUMin:
{
llvm::Value* cmpVal = NULL;
switch (codeGenEntry->mIntrinsic)
switch (intrinsicData->mIntrinsic)
{
case BfIRIntrinsic_AtomicMax:
if (isFloat)
@ -2360,6 +2370,11 @@ void BfIRCodeGen::HandleNextCmd()
SetResult(curId, result);
}
break;
case BfIRIntrinsic_Cast:
{
SetResult(curId, mIRBuilder->CreateBitCast(args[0], intrinsicData->mReturnType));
}
break;
default:
Fail("Unhandled intrinsic");
}