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from 3c8f2b3adf8 [X86][SSE] Avoid calls to combineX86ShufflesRecursively tha [...] new 594d89a6144 [InstCombine] Introducing Aggressive Instruction Combine pa [...]

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Summary of changes: docs/Passes.rst | 15 + include/llvm/InitializePasses.h | 1 + .../AggressiveInstCombine/AggressiveInstCombine.h | 34 ++ include/llvm/Transforms/Scalar.h | 7 + lib/LTO/LLVMBuild.txt | 1 + lib/Passes/LLVMBuild.txt | 2 +- lib/Passes/PassBuilder.cpp | 5 + lib/Passes/PassRegistry.def | 1 + .../AggressiveInstCombine.cpp | 110 ++++++ .../AggressiveInstCombineInternal.h | 119 ++++++ .../AggressiveInstCombine/CMakeLists.txt | 11 + .../LLVMBuild.txt | 7 +- .../AggressiveInstCombine/TruncInstCombine.cpp | 401 +++++++++++++++++++++ lib/Transforms/CMakeLists.txt | 1 + lib/Transforms/IPO/LLVMBuild.txt | 2 +- lib/Transforms/IPO/PassManagerBuilder.cpp | 4 + lib/Transforms/LLVMBuild.txt | 2 +- lib/Transforms/Scalar/LLVMBuild.txt | 2 +- test/Other/new-pm-defaults.ll | 1 + test/Other/new-pm-lto-defaults.ll | 6 +- test/Other/new-pm-thinlto-defaults.ll | 1 + .../AggressiveInstCombine/trunc_multi_uses.ll | 214 +++++++++++ tools/opt/CMakeLists.txt | 1 + tools/opt/opt.cpp | 1 + 24 files changed, 939 insertions(+), 10 deletions(-) create mode 100644 include/llvm/Transforms/AggressiveInstCombine/AggressiveInstCombine.h create mode 100644 lib/Transforms/AggressiveInstCombine/AggressiveInstCombine.cpp create mode 100644 lib/Transforms/AggressiveInstCombine/AggressiveInstCombineInternal.h create mode 100644 lib/Transforms/AggressiveInstCombine/CMakeLists.txt copy lib/Transforms/{Scalar => AggressiveInstCombine}/LLVMBuild.txt (77%) create mode 100644 lib/Transforms/AggressiveInstCombine/TruncInstCombine.cpp create mode 100644 test/Transforms/AggressiveInstCombine/trunc_multi_uses.ll