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Author SHA1 Message Date
Yevgeny Rouban a3e16719c4 Resubmit "[CorrelatedValuePropagation] Fix prof branch_weights metadata handling for SwitchInst" 
This reverts commit 5b32f60ec3.
The fix is in commit 4f9e68148b.

This patch fixes the CorrelatedValuePropagation pass to keep
prof branch_weights metadata of SwitchInst consistent.
It makes use of SwitchInstProfUpdateWrapper.
New tests are added.

Reviewed By: nikic
Differential Revision: https://reviews.llvm.org/D62126

llvm-svn: 362583
 2019-06-05 05:46:40 +00:00
Nikita Popov 5b32f60ec3 Revert "[CorrelatedValuePropagation] Fix prof branch_weights metadata handling for SwitchInst" 
This reverts commit 53f2f32865.

As reported on D62126, this causes assertion failures if the switch
has incorrect branch_weights metadata, which may happen as a result
of other transforms not handling it correctly yet.

llvm-svn: 361881
 2019-05-28 21:28:24 +00:00
Yevgeny Rouban 53f2f32865 [CorrelatedValuePropagation] Fix prof branch_weights metadata handling for SwitchInst 
This patch fixes the CorrelatedValuePropagation pass to keep
prof branch_weights metadata of SwitchInst consistent.
It makes use of SwitchInstProfUpdateWrapper.
New tests are added.

Reviewed By: nikic
Differential Revision: https://reviews.llvm.org/D62126

llvm-svn: 361808
 2019-05-28 11:33:50 +00:00