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from 69863c05230 [llvm-cov] Fix showing title when filtering and not outputt [...] new 930c4c0ea15 [X86] Improvement in CodeGen instruction selection for LEAs [...]

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Summary of changes: include/llvm/CodeGen/MachineInstr.h | 3 +- include/llvm/CodeGen/SelectionDAG.h | 3 + lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 11 + lib/Target/X86/X86ISelDAGToDAG.cpp | 85 ++++- lib/Target/X86/X86OptimizeLEAs.cpp | 420 ++++++++++++++++++++- test/CodeGen/X86/GlobalISel/callingconv.ll | 2 +- test/CodeGen/X86/GlobalISel/gep.ll | 34 +- test/CodeGen/X86/GlobalISel/memop-scalar.ll | 2 +- test/CodeGen/X86/lea-opt-cse1.ll | 14 +- test/CodeGen/X86/lea-opt-cse2.ll | 42 +-- test/CodeGen/X86/lea-opt-cse3.ll | 40 +- test/CodeGen/X86/lea-opt-cse4.ll | 76 ++-- test/CodeGen/X86/mul-constant-i16.ll | 12 +- test/CodeGen/X86/mul-constant-i32.ll | 15 +- test/CodeGen/X86/mul-constant-i64.ll | 9 +- test/CodeGen/X86/mul-constant-result.ll | 14 +- test/CodeGen/X86/pr34629.ll | 2 +- test/CodeGen/X86/pr34634.ll | 20 +- test/CodeGen/X86/umul-with-overflow.ll | 16 +- .../LoopStrengthReduce/X86/ivchain-X86.ll | 6 +- 20 files changed, 639 insertions(+), 187 deletions(-)