[LLVMdev] Code Size Benchmark

Chris Lattner clattner at apple.com
Mon Apr 19 11:15:45 PDT 2010

On Apr 19, 2010, at 3:11 AM, Zhongxing Xu wrote:

> Hi all,
> We did some benchmarks on code size with clang, gcc 4.5, and open64. Clang performed second in the test. The benchmark is CSiBE. Clang can't compile the linux kernel (some inline asm not supported) and replaypc (error: use of unknown builtin '__builtin_next_arg'). The concrete results are attached.

Nice, I don't have access to CSiBE.  Out of curiosity, why aren't llvm -O2 numbers included?  Would you be willing to track down a few examples of things where llvm is generating bigger code and file PRs?



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