[LLVMdev] Counting # dynamic instructions in a benchmark

[Chris Lattner]

I just checked in the following patch:
http://mail.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20021202/001862.html

This patch adds a new statistic to LLI which indicates the number of
dynamic instructions executed by the program.  With this patch enabled,
you can run LLI like this:

$ cd test/Programs/SingleSource
$ make Output/matrixTranspose.llvm.bc
$ lli -stats Output/matrixTranspose.llvm.bc
Checksum before = 2096128.000000
Checksum  after = 2096128.000000
Function int (int, sbyte**)* "main" returned int 0
===-------------------------------------------------------------------------===
                          ... Statistics Collected ...
===-------------------------------------------------------------------------===

158559 lli - Number of dynamic instructions executed


This should be useful for groups working on PRE or other optimizations...

-Chris

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