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from 878711af6c0 gn build: Merge r362857 new ff136c756d9 [SystemZ, RegAlloc] Favor 3-address instructions during in [...]

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Summary of changes: include/llvm/CodeGen/TargetInstrInfo.h | 9 +- include/llvm/CodeGen/TargetPassConfig.h | 4 + lib/CodeGen/InlineSpiller.cpp | 2 +- lib/CodeGen/TargetInstrInfo.cpp | 5 +- lib/CodeGen/TargetPassConfig.cpp | 4 + lib/Target/AArch64/AArch64InstrInfo.cpp | 2 +- lib/Target/AArch64/AArch64InstrInfo.h | 3 +- lib/Target/SystemZ/CMakeLists.txt | 1 + lib/Target/SystemZ/SystemZ.h | 1 + lib/Target/SystemZ/SystemZInstrFormats.td | 204 ++++++++++++++++-------- lib/Target/SystemZ/SystemZInstrInfo.cpp | 118 ++++++-------- lib/Target/SystemZ/SystemZInstrInfo.h | 8 +- lib/Target/SystemZ/SystemZInstrInfo.td | 28 ++-- lib/Target/SystemZ/SystemZPostRewrite.cpp | 124 ++++++++++++++ lib/Target/SystemZ/SystemZRegisterInfo.cpp | 48 +++++- lib/Target/SystemZ/SystemZShortenInst.cpp | 25 +++ lib/Target/SystemZ/SystemZTargetMachine.cpp | 10 ++ lib/Target/X86/X86InstrInfo.cpp | 3 +- lib/Target/X86/X86InstrInfo.h | 3 +- test/CodeGen/SystemZ/asm-18.ll | 6 +- test/CodeGen/SystemZ/ctpop-01.ll | 26 +-- test/CodeGen/SystemZ/int-add-05.ll | 8 +- test/CodeGen/SystemZ/int-sub-11.ll | 22 +++ test/CodeGen/SystemZ/scalar-ctlz.ll | 28 ++-- test/CodeGen/SystemZ/store_nonbytesized_vecs.ll | 38 ++--- test/CodeGen/SystemZ/vec-combine-02.ll | 2 +- 26 files changed, 515 insertions(+), 217 deletions(-) create mode 100644 lib/Target/SystemZ/SystemZPostRewrite.cpp create mode 100644 test/CodeGen/SystemZ/int-sub-11.ll