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The reversion apparently deleted the test/Transforms directory.
Will be re-reverting again.
llvm-svn: 358552
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As it's causing some bot failures (and per request from kbarton).
This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.
llvm-svn: 358546
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The current way that trivial addressing modes are detected incorrectly thinks
that null pointers are non-trivial, leading to an infinite loop where we keep
duplicating the same select. Fix this by aware of null when deciding if an
addressing mode is trivial.
Differential Revision: https://reviews.llvm.org/D40447
llvm-svn: 319019
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This patch extends the recent work in optimizeMemoryInst to make it able to
combine more ExtAddrMode fields than just the BaseReg.
This fixes some benchmark regressions introduced by r309397, where GVN PRE is
hoisting a getelementptr such that it can no longer be combined into the
addressing mode of the load or store that uses it.
Differential Revision: https://reviews.llvm.org/D38133
llvm-svn: 318949
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This patch disables the handling of selects in optimization
extensing scope of optimizeMemoryInst.
The optimization itself is disable by default.
The idea here is just to switch optimiztion level step by step.
Specifically, first optimization will be enabled only for Phi nodes,
then select instructions will be added.
In case someone will complain about perfromance it will be easier to
detect what part of optimizations is responsible for that.
Differential Revision: https://reviews.llvm.org/D36073
llvm-svn: 317555
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Commit tests for previous commit.
Reviewers: efriedma, dberlin, mkazantsev, reames, john.brawn
Reviewed By: john.brawn
Subscribers: javed.absar, john.brawn, dneilson, llvm-commits
Differential Revision: https://reviews.llvm.org/D36073
llvm-svn: 317430
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