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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+29
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-29/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* Fix some misc. -enable-var-scope violationsMatt Arsenault2017-11-131-4/+4
| | | | llvm-svn: 318006
* [SimplifyCFG] Be even more conservative in SinkThenElseCodeToEndJames Molloy2016-09-111-2/+2
| | | | | | | | This should *actually* fix PR30244. This cranks up the workaround for PR30188 so that we never sink loads or stores of allocas. The idea is that these should be removed by SROA/Mem2Reg, and any movement of them may well confuse SROA or just cause unwanted code churn. It's not ideal that the midend should be crippled like this, but that unwanted churn can really cause significant regressions in important workloads (tsan). llvm-svn: 281162
* [SimplifyCFG] Add test for sinking inline asm in if/elseOliver Stannard2016-09-051-0/+29
This test code previously caused a failure in the module verifier, because SimplifyCFG created this invalid instruction, which tries to take the address of inline asm: %.sink = select i1 %1, i64 ()* asm "mov $0, #1", "=r", i64 ()* asm %"mov $0, #2", "=r" This has been fixed recently, presumably by James Molloy's patches that re-wrote and changed parts of SimplifyCFG, so this patch just adds a regression test for it. Differential Revision: https://reviews.llvm.org/D24231 llvm-svn: 280660
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