forked from OSchip/llvm-project
0ee082f3b9
This patch continues a series of patches started by r332907 (reapplied as r332917) In this commit we introduce a new matching opcode GIM_SwitchOpcode that implements a jump table over opcodes and start emitting them for root instructions. This is expected to decrease time GlobalISel spends in its InstructionSelect pass by roughly 20% for an -O0 build as measured on sqlite3-amalgamation (http://sqlite.org/download.html) targeting AArch64. To some degree, we assume here that the opcodes form a dense set, which is true at the moment for all upstream targets given the limitations of our rule importing mechanism. It might not be true for out of tree targets, specifically due to pseudo's. If so, we might noticeably increase the size of the MatchTable with this patch due to padding zeros. This will be addressed later. Reviewers: qcolombet, dsanders, bogner, aemerson, javed.absar Reviewed By: qcolombet Subscribers: rovka, llvm-commits, kristof.beyls Differential Revision: https://reviews.llvm.org/D44700 llvm-svn: 333017 |
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| .. | ||
| FileCheck | ||
| KillTheDoctor | ||
| LLVMVisualizers | ||
| Misc | ||
| PerfectShuffle | ||
| Reviewing | ||
| TableGen | ||
| Target/ARM | ||
| UpdateTestChecks | ||
| bugpoint | ||
| count | ||
| crosstool | ||
| docker | ||
| emacs | ||
| fpcmp | ||
| gdb-scripts | ||
| git | ||
| git-svn | ||
| jedit | ||
| kate | ||
| lint | ||
| lit | ||
| llvm-build | ||
| llvm-lit | ||
| not | ||
| release | ||
| sanitizers | ||
| testgen | ||
| textmate | ||
| unittest | ||
| valgrind | ||
| vim | ||
| vscode | ||
| yaml-bench | ||
| DSAclean.py | ||
| DSAextract.py | ||
| GenLibDeps.pl | ||
| GetRepositoryPath | ||
| GetSourceVersion | ||
| LLVMBuild.txt | ||
| UpdateCMakeLists.pl | ||
| abtest.py | ||
| bisect | ||
| bisect-skip-count | ||
| bugpoint_gisel_reducer.py | ||
| check-each-file | ||
| clang-parse-diagnostics-file | ||
| codegen-diff | ||
| countloc.sh | ||
| create_ladder_graph.py | ||
| extract_symbols.py | ||
| findmisopt | ||
| findoptdiff | ||
| findsym.pl | ||
| getsrcs.sh | ||
| indirect_calls.py | ||
| lldbDataFormatters.py | ||
| llvm-compilers-check | ||
| llvm-gisel-cov.py | ||
| llvm-native-gxx | ||
| llvm.grm | ||
| llvmdo | ||
| llvmgrep | ||
| prepare-code-coverage-artifact.py | ||
| schedcover.py | ||
| shuffle_fuzz.py | ||
| shuffle_select_fuzz_tester.py | ||
| sort_includes.py | ||
| unicode-case-fold.py | ||
| update_analyze_test_checks.py | ||
| update_cc_test_checks.py | ||
| update_llc_test_checks.py | ||
| update_mca_test_checks.py | ||
| update_mir_test_checks.py | ||
| update_test_checks.py | ||
| wciia.py | ||