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* Revert "Temporarily Revert "Add basic loop fusion pass.""Eric Christopher2019-04-171-0/+48
| | | | | | | | The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
* Temporarily Revert "Add basic loop fusion pass."Eric Christopher2019-04-171-48/+0
| | | | | | | | As it's causing some bot failures (and per request from kbarton). This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda. llvm-svn: 358546
* [PM] Split LoopUnrollPass and make partial unroller a function passTeresa Johnson2017-08-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | Summary: This is largely NFC*, in preparation for utilizing ProfileSummaryInfo and BranchFrequencyInfo analyses. In this patch I am only doing the splitting for the New PM, but I can do the same for the legacy PM as a follow-on if this looks good. *Not NFC since for partial unrolling we lose the updates done to the loop traversal (adding new sibling and child loops) - according to Chandler this is not very useful for partial unrolling, but it also means that the debugging flag -unroll-revisit-child-loops no longer works for partial unrolling. Reviewers: chandlerc Subscribers: mehdi_amini, mzolotukhin, eraman, llvm-commits Differential Revision: https://reviews.llvm.org/D36157 llvm-svn: 309886
* [PM] Teach LoopUnroll to update the LPM infrastructure as it unrollsChandler Carruth2017-01-251-0/+1
| | | | | | | | | | | | | | | | | | | loops. We do this by reconstructing the newly added loops after the unroll completes to avoid threading pass manager details through all the mess of the unrolling infrastructure. I've enabled some extra assertions in the LPM to try and catch issues here and enabled a bunch of unroller tests to try and make sure this is sane. Currently, I'm manually running loop-simplify when needed. That should go away once it is folded into the LPM infrastructure. Differential Revision: https://reviews.llvm.org/D28848 llvm-svn: 293011
* Update Transforms tests to use CHECK-LABEL for easier debugging. No ↵Stephen Lin2013-07-141-2/+2
| | | | | | | | | | | | | | | | | | | | | | functionality change. This update was done with the following bash script: find test/Transforms -name "*.ll" | \ while read NAME; do echo "$NAME" if ! grep -q "^; *RUN: *llc" $NAME; then TEMP=`mktemp -t temp` cp $NAME $TEMP sed -n "s/^define [^@]*@\([A-Za-z0-9_]*\)(.*$/\1/p" < $NAME | \ while read FUNC; do sed -i '' "s/;\(.*\)\([A-Za-z0-9_]*\):\( *\)@$FUNC\([( ]*\)\$/;\1\2-LABEL:\3@$FUNC(/g" $TEMP done mv $TEMP $NAME fi done llvm-svn: 186268
* Add a new attribute, 'noduplicate'. If a function contains a noduplicate ↵James Molloy2012-12-201-0/+23
| | | | | | | | call, the call cannot be duplicated - Jump threading, loop unrolling, loop unswitching, and loop rotation are inhibited if they would duplicate the call. Similarly inlining of the function is inhibited, if that would duplicate the call (in particular inlining is still allowed when there is only one callsite and the function has internal linkage). llvm-svn: 170704
* add a testcase for r125827Chris Lattner2011-02-181-0/+24
llvm-svn: 125831
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