[llvm-commits] [llvm-gcc-4.2] r73532 - in /llvm-gcc-4.2/trunk/gcc/config/arm: arm.h llvm-arm-target.h

[Bob Wilson]

On Jun 17, 2009, at 2:22 PM, Anton Korobeynikov wrote:

> Hi Bob
>
>> This patch is causing a number of regressions for ARM.  The compiler
>> runs OK but the results are not correct.  For example, the
>> SingleSource/Benchmarks/Shootout/strcat.c test ends up with most of
>> its code incorrectly optimized away.  Both llc and cbe tests fail,  
>> but
>> it passes without optimization.  Please investigate.  I'm going to
>> revert this change for now.
> That's pretty strange since calling convention should not influence
> optimizers at all. Could you please provide me the LLVM IR with and
> without optimizations?

I'm afraid I already overwrote the files.  It sounds like you've  
already found the problem in simplifycfg.  I certainly agree that it  
is strange.