[LLVMdev] LLVM 2.9 64bits on Visual Studio 9

[Damien Gleizes]

Hi, 

Thank you for your reply. 
I did not try with VS2010, maybe the issue is only with VS2009 (and/or some
SP). As it works in Debug mode, at first sight I would say it is a project
configuration issue?

I have done some little debugging, and it seems to crash in the function
LiveVariable::runOnMachineFunction, on the call to VirtRegInfo[Reg].

In the assembly code, we can see the compiler first checks that the Reg
variable is in the range of the VirtRegInfo map, but it says no... although
a call to VirtRegInfo.inBounds(Reg) returns true! 

Just as if the test in the assembly code was not done on the correct
value... so I try to add a volatile keyword on the Reg variable declaration,
and then it works correctly (I have replaced all variable handling the
result of TargetRegisterInfo::index2VirtReg with a volatile variable)...

...but no idea why it is working with this change :/

Damien



NAKAMURA Takumi wrote:
> 
> FYI, I have confirmed it works on VS10SP1 with x64|Release.
> 
> E:\llvm\build\cmake-x64-vs10>bin\Release\Fibonacci.exe 24
> verifying... OK
> We just constructed this LLVM module:
> 
> ---------
> ; ModuleID = 'test'
> (snip)
> ---------
> starting fibonacci(24) with JIT...
> Result: 46368
> 
> ...Takumi
> 
> 
> 2011/8/11  <gleizesd at gmail.com>:
>> Hello everybody,
>>
>> I have sucessfully compiled LLVM with CMAKE generator "Visual Studio 9
>> 2008
>> Win64" (OS Windows 7).
>>
>> -But when I run the Fibonacci example program in "release" mode, I get a
>> crash with this visual studio popup message :
>> Microsoft Visual Studio C Runtime Library has detected a fatal error in
>> Fibonacci.exe.
>>
>> -Here is the visual studio output:
>> 'Fibonacci.exe': Loaded
>> 'C:\Users\IUC\Desktop\BUILD_64\bin\Release\Fibonacci.exe', Binary was not
>> built with debug information.
>> 'Fibonacci.exe': Loaded 'C:\Windows\System32\ntdll.dll'
>> 'Fibonacci.exe': Loaded 'C:\Windows\System32\kernel32.dll'
>> 'Fibonacci.exe': Loaded 'C:\Windows\System32\KernelBase.dll'
>> 'Fibonacci.exe': Loaded
>> 'C:\Windows\winsxs\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4967_none_08e58abba83c6451\msvcp90.dll'
>> 'Fibonacci.exe': Loaded
>> 'C:\Windows\winsxs\amd64_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4967_none_08e58abba83c6451\msvcr90.dll'
>> 'Fibonacci.exe': Loaded 'C:\Windows\System32\dbghelp.dll'
>> 'Fibonacci.exe': Loaded 'C:\Windows\System32\msvcrt.dll'
>> Microsoft Visual Studio C Runtime Library has detected a fatal error in
>> Fibonacci.exe.
>>
>> Press Break to debug the program or Continue to terminate the program.
>>
>> -And here is the callstack in release mode :(:
>>> msvcr90.dll!000000006a8b9f48()
>> [Frames below may be incorrect and/or missing, no symbols loaded for
>> msvcr90.dll]
>> msvcr90.dll!000000006a8b52a5()
>> msvcr90.dll!000000006a8b52f5()
>> Fibonacci.exe!000000013ffac08e()
>> Fibonacci.exe!00000001401551fd()
>> Fibonacci.exe!00000001401564d0()
>> Fibonacci.exe!0000000140156852()
>> Fibonacci.exe!000000013fdb7180()
>> Fibonacci.exe!000000013fdb749b()
>> Fibonacci.exe!000000013fdb7913()
>> Fibonacci.exe!000000013fda2231()
>> Fibonacci.exe!00000001401bfa82()
>> kernel32.dll!0000000076bdf56d()
>> ntdll.dll!0000000076e12cc1()
>>
>>
>> It crashes after IR compilation when calling the JIT, the last program
>> message is :
>> starting fibonacci(24) with JIT...
>>
>> Please also note that it works fine in debug mode.
>> Seems to be a bug, but maybe I have missed something.. any idea would be
>> really appreciated :)
>> Thanks!
>> Damien
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