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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+39
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-39/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* Split IndirectBr critical edges before PGO gen/use passes.Hiroshi Yamauchi2017-12-121-0/+39
Summary: The PGO gen/use passes currently fail with an assert failure if there's a critical edge whose source is an IndirectBr instruction and that edge needs to be instrumented. To avoid this in certain cases, split IndirectBr critical edges in the PGO gen/use passes. This works for blocks with single indirectbr predecessors, but not for those with multiple indirectbr predecessors (splitting an IndirectBr critical edge isn't always possible.) Reviewers: davidxl, xur Reviewed By: davidxl Subscribers: efriedma, llvm-commits, mehdi_amini Differential Revision: https://reviews.llvm.org/D40699 llvm-svn: 320511
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