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authorKenneth Graunke <[email protected]>2016-04-29 21:12:15 -0700
committerKenneth Graunke <[email protected]>2016-06-23 11:58:50 -0700
commitf7741c521119ce147215d94a4c238e84fc8b1130 (patch)
tree3a8fc1bbc21f0742639b23423bf9af915bcc5347 /.gitignore
parent586f4a42e78f171c28c3ae37adb8671e09bd74b4 (diff)
i965: Copy propagate before doing variable index lowering.
The scalar backend currently doesn't support variable indexing on temporary arrays, but it does support it on uniform arrays, and some stages support it for input arrays. Make sure these are propagated through before exploding indirects into piles of if-ladders unnecessarily. On Broadwell, no instruction count change in shader-db. total cycles in shared programs: 80675652 -> 80674928 (-0.00%) cycles in affected programs: 649972 -> 649248 (-0.11%) helped: 386 HURT: 165 This will help avoid code quality regressions in a future commit. Cc: [email protected] Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Timothy Arceri <[email protected]>
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