Bug 151531

Summary:

FTL lowering should tell B3 the right block frequencies

Product:

WebKit

Reporter:

Filip Pizlo <fpizlo>

Component:

JavaScriptCore

Assignee:

Filip Pizlo <fpizlo>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

commit-queue, keith_miller, mark.lam, msaboff, saam

Priority:

Version:

WebKit Nightly Build

Hardware:

All

OS:

All

Bug Depends on:

Bug Blocks:

150279

Attachments:

Description	Flags
the patch	ggaren: review+

Description Filip Pizlo 2015-11-20 19:28:27 PST

B3 would be happiest with the block frequency being just the execution count of the DFG block of the current node, and just "1" for any blocks that didn't result from lowering.

Comment 1 Filip Pizlo 2015-12-07 15:54:42 PST

Created attachment 266822 [details]
the patch

Comment 2 Geoffrey Garen 2015-12-07 15:55:47 PST

Comment on attachment 266822 [details]
the patch

r=me

Comment 3 Filip Pizlo 2015-12-07 16:03:04 PST

Landed in http://trac.webkit.org/changeset/193662