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Andreas Rumpf

2007-Jun-12 08:07 UTC

[LLVMdev] LLVM binaries for Windows and more

Hi!

I want to use LLVM for my own "pet" programming language compiler as a
backend.
Currently it generates C code, but I am not satisfied with this approach as
generating
high-level C (with proper type declarations!) is horrible.
So here are my questions/problems with LLVM: 

1.) Are there operations that add, sub, mul integers with overflow checking? How
much work would it be to add those? They are needed for my programming language,
but I think Pascal and Ada need those too.

2.) The version 2.0 of your source code does not compile with Microsoft Visual
C++ 2005 Express Edition. (By the way, is it documented that I need Bison? I
figured that out myself...):

------ Build started: Project: x86, Configuration: Release Win32 ------
Compiling...
X86RegisterInfo.cpp
..\..\lib\Target\X86\X86RegisterInfo.cpp(1107) : warning C4244:
'argument' : conversion from 'uint64_t' to 'int',
possible loss of data
..\..\lib\Target\X86\X86RegisterInfo.cpp(1127) : warning C4244:
'argument' : conversion from 'uint64_t' to 'int',
possible loss of data
..\..\lib\Target\X86\X86RegisterInfo.cpp(1132) : warning C4244:
'argument' : conversion from 'uint64_t' to 'int',
possible loss of data
..\..\lib\Target\X86\X86RegisterInfo.cpp(1141) : warning C4244:
'argument' : conversion from 'uint64_t' to 'int',
possible loss of data
..\..\lib\Target\X86\X86RegisterInfo.cpp(1170) : warning C4244:
'argument' : conversion from 'uint64_t' to 'int',
possible loss of data
..\..\lib\Target\X86\X86RegisterInfo.cpp(1185) : warning C4244:
'argument' : conversion from 'int64_t' to 'int',
possible loss of data
c:\Eigenes\compiler\llvm-2.0\win32\x86\X86GenRegisterInfo.inc(805) : warning
C4065: switch statement contains 'default' but no 'case' labels
C:\eigenes\compiler\vcc2005\VC\include\xutility(2282) : warning C4996:
'std::_Copy_opt' was declared deprecated
        C:\eigenes\compiler\vcc2005\VC\include\xutility(2270) : see declaration
of 'std::_Copy_opt'
        Message: 'You have used a std:: construct that is not safe. See
documentation on how to use the Safe Standard C++ Library'
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/BitVector.h(90) : see
reference to function template instantiation '_OutIt
std::copy<llvm::BitVector::BitWord*,llvm::BitVector::BitWord*>(_InIt,_InIt,_OutIt)'
being compiled
        with
        [
            _OutIt=llvm::BitVector::BitWord *,
            _InIt=llvm::BitVector::BitWord *
        ]
C:\eigenes\compiler\vcc2005\VC\include\xutility(2282) : warning C4996:
'std::_Copy_opt' was declared deprecated
        C:\eigenes\compiler\vcc2005\VC\include\xutility(2270) : see declaration
of 'std::_Copy_opt'
        Message: 'You have used a std:: construct that is not safe. See
documentation on how to use the Safe Standard C++ Library'
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(383) : see
reference to function template instantiation '_OutIt
std::copy<T*,T*>(_InIt,_InIt,_OutIt)' being compiled
        with
        [
            _OutIt=llvm::TargetAlignElem *,
            T=llvm::TargetAlignElem,
            _InIt=llvm::TargetAlignElem *
        ]
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(373) : while
compiling class template member function 'const
llvm::SmallVectorImpl<T> &llvm::SmallVectorImpl<T>::operator
=(const llvm::SmallVectorImpl<T> &)'
        with
        [
            T=llvm::TargetAlignElem
        ]
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(423) : see
reference to class template instantiation
'llvm::SmallVectorImpl<T>' being compiled
        with
        [
            T=llvm::TargetAlignElem
        ]
        c:\Eigenes\compiler\llvm-2.0\include\llvm/Target/TargetData.h(78) : see
reference to class template instantiation 'llvm::SmallVector<T,N>'
being compiled
        with
        [
            T=llvm::TargetAlignElem,
            N=16
        ]
C:\eigenes\compiler\vcc2005\VC\include\memory(93) : warning C4996:
'std::_Uninit_copy' was declared deprecated
        C:\eigenes\compiler\vcc2005\VC\include\memory(82) : see declaration of
'std::_Uninit_copy'
        Message: 'You have used a std:: construct that is not safe. See
documentation on how to use the Safe Standard C++ Library'
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(407) : see
reference to function template instantiation '_FwdIt
std::uninitialized_copy<T*,T*>(_InIt,_InIt,_FwdIt)' being compiled
        with
        [
            _FwdIt=llvm::TargetAlignElem *,
            T=llvm::TargetAlignElem,
            _InIt=llvm::TargetAlignElem *
        ]
C:\eigenes\compiler\vcc2005\VC\include\memory(93) : warning C4996:
'std::_Uninit_copy' was declared deprecated
        C:\eigenes\compiler\vcc2005\VC\include\memory(82) : see declaration of
'std::_Uninit_copy'
        Message: 'You have used a std:: construct that is not safe. See
documentation on how to use the Safe Standard C++ Library'
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(319) : see
reference to function template instantiation '_FwdIt
std::uninitialized_copy<T*,T*>(_InIt,_InIt,_FwdIt)' being compiled
        with
        [
            _FwdIt=llvm::SDNode **,
            T=llvm::SDNode *,
            _InIt=llvm::SDNode **
        ]
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(310) : while
compiling class template member function 'void
llvm::SmallVectorImpl<T>::grow(unsigned int)'
        with
        [
            T=llvm::SDNode *
        ]
        c:\Eigenes\compiler\llvm-2.0\include\llvm/ADT/SmallVector.h(423) : see
reference to class template instantiation
'llvm::SmallVectorImpl<T>' being compiled
        with
        [
            T=llvm::SDNode *
        ]
       
c:\Eigenes\compiler\llvm-2.0\include\llvm/CodeGen/SelectionDAGNodes.h(825) : see
reference to class template instantiation 'llvm::SmallVector<T,N>'
being compiled
        with
        [
            T=llvm::SDNode *,
            N=3
        ]
c:\eigenes\compiler\llvm-2.0\win32\x86\x86genregisterinfo.inc(806) : error
C4716: 'llvm::X86GenRegisterInfo::getSubReg' : must return a value
Build log was saved at
"file://c:\Eigenes\compiler\llvm-2.0\win32\x86\Release\BuildLog.htm"
x86 - 1 error(s), 11 warning(s)
------ Build started: Project: llc, Configuration: Release Win32 ------
Linking...
LINK : fatal error LNK1181: cannot open input file '..\release\x86.lib'
Build log was saved at
"file://c:\Eigenes\compiler\llvm-2.0\win32\llc\Release\BuildLog.htm"
llc - 1 error(s), 0 warning(s)
------ Build started: Project: lli, Configuration: Release Win32 ------
Linking...
LINK : fatal error LNK1181: cannot open input file '..\release\x86.lib'
Build log was saved at
"file://c:\Eigenes\compiler\llvm-2.0\win32\lli\Release\BuildLog.htm"
lli - 1 error(s), 0 warning(s)
------ Build started: Project: Fibonacci, Configuration: Release Win32 ------
Linking...
LINK : fatal error LNK1181: cannot open input file '..\release\x86.lib'
Build log was saved at
"file://c:\Eigenes\compiler\llvm-2.0\win32\Fibonacci\Release\BuildLog.htm"
Fibonacci - 1 error(s), 0 warning(s)
========== Build: 0 succeeded, 4 failed, 26 up-to-date, 0 skipped =========

I fixed this by adding a ``return 0;`` at the end of the method. But why
don't you just provide binaries for windows? I could send you the binaries
that I built - I have not yet tested them though.

Greetings
Andreas Rumpf



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Chris Lattner

2007-Jun-12 17:36 UTC

head link

[LLVMdev] LLVM binaries for Windows and more

On Tue, 12 Jun 2007, Andreas Rumpf wrote:> I want to use LLVM for my own "pet" programming language compiler
as a backend.
> Currently it generates C code, but I am not satisfied with this approach as
generating
> high-level C (with proper type declarations!) is horrible.
> So here are my questions/problems with LLVM:
>
> 1.) Are there operations that add, sub, mul integers with overflow 
>     checking? How much work would it be to add those? They are needed 
>     for my programming language, but I think Pascal and Ada need those 
>     too.
No not yet, the recommended solution is to compute overflow manually with 
arithmetic after you do the operations you need.  In time LLVM will be 
extended to support this capability.
> 2.) The version 2.0 of your source code does not compile with Microsoft 
>     Visual C++ 2005 Express Edition. (By the way, is it documented that 
>     I need Bison? I figured that out myself...):
You might want to try LLVM CVS.  I believe there are several fixes in CVS 
that were not in 2.0.  If that doesn't work, we will gladly accept patches 
to make it work.
> I fixed this by adding a ``return 0;`` at the end of the method. But why 
> don't you just provide binaries for windows? I could send you the 
> binaries that I built - I have not yet tested them though.
The LLVM community consists of volenteers, and noone volenteered for 2.0 
:)

-Chris

-- 
http://nondot.org/sabre/
http://llvm.org/

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