[LLVMdev] Why google-perftools fails on the JITted code?

Chris Lattner clattner at apple.com
Fri Jun 18 09:35:17 PDT 2010

On Jun 18, 2010, at 3:29 AM, Yuri wrote:

> Now I see that JITted code doesn't have standard prolog, on x86 each 
> procedure instead begins with 'sub    $0x4,%esp'.
> Is there an option to make JIT generate regular prologs?

Try turning off frame pointer elimination.  On the llc command line, this is -disable-fp-elim


> Yuri
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