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...s that are currently in a quite good shape (thanks to their developers!) nowadays heavily relies on the code quality: if IR is too rough, we can't do much about it :( Many thanks and Happy New Year! - Dima. 1) Bad LLVM IR: =============== marcusmae at M17xR4:~/forge/kernelgen/tests/behavior/demo_f$ KERNELGEN_FALLBACK=1 kernelgen-gfortran -fplugin=dragonegg.so -fplugin-arg-dragonegg-emit-ir -fplugin-arg-dragonegg-llvm-ir-optimize=0 -S -c demo_f.f90 -o - | opt -O3 -S -o - "161.i": ; preds = %"160.i", %"159.i" call void b...

...Thanks!! Anthony Damico Kaiser Family Foundation require(foreign) require(survey) ############# download the NHANES 2009-2010 demographics and total cholesterol files ################## tf <- tempfile() download.file( " ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/nhanes/2009-2010/demo_f.xpt" , tf , mode = "wb" ) NHANES.0910.demographics.df <- read.xport( tf ) tf <- tempfile() download.file( " ftp://ftp.cdc.gov/pub/Health_Statistics/NCHS/nhanes/2009-2010/TCHOL_F.xpt" , tf , mode = "wb" ) NHANES.0910.TCHOL_F.df <- read...

Hi Duncan & Tobi, Thanks a lot for your interest, and for pointing out differences in GIMPLE I missed. Attached is simplified test case. Is it good? Tobi, regarding runtime alias analysis: in KernelGen we already do it along with runtime values substitution. For example: <------------------ __kernelgen_main_loop_17: compile started ---------------------> Integer args substituted:

On 01/01/2013 02:45 PM, Duncan Sands wrote: > Hi Dmitry, > >> >> In our compiler we use a modified version LLVM Polly, which is very >> sensitive to >> proper code generation. Among the number of limitations, the loop region >> (enclosed by phi node on induction variable and branch) is required to >> be free >> of additional memory-dependent