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Support for "returnaddress" intrinsic

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This commit is contained in:
Brian Fiete 2022-01-06 06:26:56 -05:00
parent eb7e78174c
commit 0826b6d49f
4 changed files with 13 additions and 0 deletions
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2
BeefLibs/corlib/src/Internal.bf
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@ -92,6 +92,8 @@ namespace System
public static extern void* StdMalloc(int size);
[LinkName("free")]
public static extern void StdFree(void* ptr);
[Intrinsic("returnaddress")]
public static extern void* GetReturnAddress(int32 level = 0);
[CallingConvention(.Cdecl)]
public static extern void* VirtualAlloc(int size, bool canExecute, bool canWrite);
[CallingConvention(.Cdecl)]

8
IDEHelper/Backend/BeMCContext.cpp
View file

@ -17697,6 +17697,14 @@ void BeMCContext::Generate(BeFunction* function)
useAltArgs = true;
}
break;
case BfIRIntrinsic_ReturnAddress:
{
result = AllocVirtualReg(intrin->mReturnType);
CreateDefineVReg(result);
auto vregInfo = GetVRegInfo(result);
vregInfo->mFrameOffset = 0;
}
break;
case BfIRIntrinsic_VAArg:
{
auto mcListPtr = GetOperand(castedInst->mArgs[0].mValue);

1
IDEHelper/Compiler/BfIRBuilder.h
View file

@ -451,6 +451,7 @@ enum BfIRIntrinsic : uint8
BfIRIntrinsic_Or,
BfIRIntrinsic_Pow,
BfIRIntrinsic_PowI,
BfIRIntrinsic_ReturnAddress,
BfIRIntrinsic_Round,
BfIRIntrinsic_SAR,
BfIRIntrinsic_SHL,

2
IDEHelper/Compiler/BfIRCodeGen.cpp
View file

@ -181,6 +181,7 @@ static const BuiltinEntry gIntrinEntries[] =
{"or"},
{"pow"},
{"powi"},
{"returnaddress"},
{"round"},
{"sar"},
{"shl"},
@ -2684,6 +2685,7 @@ void BfIRCodeGen::HandleNextCmd()
{ (llvm::Intrinsic::ID)-2, -1}, // or
{ llvm::Intrinsic::pow, 0, -1},
{ llvm::Intrinsic::powi, 0, -1},
{ llvm::Intrinsic::returnaddress, -1},
{ llvm::Intrinsic::round, 0, -1},
{ (llvm::Intrinsic::ID)-2, -1}, // sar
{ (llvm::Intrinsic::ID)-2, -1}, // shl