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* [DAG] Refactor DAGCombiner::ReassociateOpsBjorn Pettersson2019-04-291-9/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Extract the logic for doing reassociations from DAGCombiner::reassociateOps into a helper function DAGCombiner::reassociateOpsCommutative, and use that helper to trigger reassociation on the original operand order, or the commuted operand order. Codegen is not identical since the operand order will be different when doing the reassociations for the commuted case. That causes some unfortunate churn in some test cases. Apart from that this should be NFC. Reviewers: spatel, craig.topper, tstellar Reviewed By: spatel Subscribers: dmgreen, dschuff, jvesely, nhaehnle, javed.absar, sbc100, jgravelle-google, hiraditya, aheejin, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D61199 llvm-svn: 359476
* [CodeGen] Unify MBB reference format in both MIR and debug outputFrancis Visoiu Mistrih2017-12-041-11/+11
| | | | | | | | | | | | | | | | As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
* [x86] X86ISelLowering zext(add_nuw(x, C)) --> add(zext(x), C_zext)Artur Pilipenko2016-08-121-0/+194
Currently X86ISelLowering has a similar transformation for sexts: sext(add_nsw(x, C)) --> add(sext(x), C_sext) In this change I extend this code to handle zexts as well. Reviewed By: spatel Differential Revision: https://reviews.llvm.org/D23359 llvm-svn: 278520
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