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* Reland "Change the X86 datalayout to add three address spacesAmy Huang2019-09-101-1/+1
| | | | | | | | | | for 32 bit signed, 32 bit unsigned, and 64 bit pointers." This reverts 57076d3199fc2b0af4a3736b7749dd5462cacda5. Original review at https://reviews.llvm.org/D64931. Review for added fix at https://reviews.llvm.org/D66843. llvm-svn: 371568
* Revert "Change the X86 datalayout to add three address spaces for 32 bit ↵Vlad Tsyrklevich2019-08-281-1/+1
| | | | | | | | | signed," This reverts commit r370083 because it caused check-lld failures on sanitizer-x86_64-linux-fast. llvm-svn: 370142
* Change the X86 datalayout to add three address spaces for 32 bit signed,Amy Huang2019-08-271-1/+1
| | | | | | 32 bit unsigned, and 64 bit pointers. llvm-svn: 370083
* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+18
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-18/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [ThinLTO] Keep non-prevailing (linkonce|weak)_odr symbols liveXin Tong2018-10-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: If we have a symbol with (linkonce|weak)_odr linkage, we do not want to dead strip it even it is not prevailing. IR level (linkonce|weak)_odr symbol can become non-prevailing when we mix ELF objects and IR objects where the (linkonce|weak)_odr symbol in the ELF object is prevailing and the ones in the IR objects are not. Stripping them will prevent us from doing optimizations with them. By not dead stripping them, We will convert these symbols to available_externally linkage as a result of non-prevailing and eventually dropping them after inlining. I modified cache-prevailing.ll to use linkonce linkage as it is testing whether cache prevailing bit is effective or not, not we should treat linkonce_odr alive or not Reviewers: tejohnson, pcc Subscribers: mehdi_amini, inglorion, eraman, steven_wu, dexonsmith, llvm-commits Differential Revision: https://reviews.llvm.org/D52893 llvm-svn: 343970
* Reland r327041: [ThinLTO] Keep available_externally symbols liveVlad Tsyrklevich2018-03-131-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: This change fixes PR36483. The bug was originally introduced by a change that marked non-prevailing symbols dead. This broke LowerTypeTests handling of available_externally functions, which are non-prevailing. LowerTypeTests uses liveness information to avoid emitting thunks for unused functions. Marking available_externally functions dead is incorrect, the functions are used though the function definitions are not. This change keeps them live, and lets the EliminateAvailableExternally/GlobalDCE passes remove them later instead. (Reland with a suspected fix for a unit test failure I haven't been able to reproduce locally) Reviewers: pcc, tejohnson Reviewed By: tejohnson Subscribers: grimar, mehdi_amini, inglorion, eraman, llvm-commits Differential Revision: https://reviews.llvm.org/D43690 llvm-svn: 327360
* Revert "[ThinLTO] Keep available_externally symbols live"Eric Christopher2018-03-091-19/+0
| | | | | | This reverts commit r327041 and the followup attempts at fixing the testcase as they're still failing. llvm-svn: 327094
* Specify that test from r327041 requires assertsVlad Tsyrklevich2018-03-081-0/+1
| | | | llvm-svn: 327051
* Fix test failure introduced in r327041Vlad Tsyrklevich2018-03-081-1/+1
| | | | | | | The "Assertion: `...' failed" error message format is not identical across platforms. llvm-svn: 327047
* [ThinLTO] Keep available_externally symbols liveVlad Tsyrklevich2018-03-081-0/+18
Summary: This change fixes PR36483. The bug was originally introduced by a change that marked non-prevailing symbols dead. This broke LowerTypeTests handling of available_externally functions, which are non-prevailing. LowerTypeTests uses liveness information to avoid emitting thunks for unused functions. Marking available_externally functions dead is incorrect, the functions are used though the function definitions are not. This change keeps them live, and lets the EliminateAvailableExternally/GlobalDCE passes remove them later instead. I've also enabled EliminateAvailableExternally for all optimization levels, I believe it being disabled for O1 was an oversight. Reviewers: pcc, tejohnson Reviewed By: tejohnson Subscribers: grimar, mehdi_amini, inglorion, eraman, llvm-commits Differential Revision: https://reviews.llvm.org/D43690 llvm-svn: 327041
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