[LLVMdev] Static Basic Block Execution Frequency Analysis?

[Chris Lattner]

On Sun, 18 Jun 2006, Bil wrote:
> Is there an analysis in LLVM that will give an estimate of the
> execution frequency of basic blocks without using profiling data
> from an execution of the code?

Nope, not really at this time.  The register allocator uses a really 
coarse approximation: it gets LoopInfo, then assumes a look executes 
10^loopdepth times.

-Chris

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