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from 89b977367fb Improve testcase. new 27c28519031 [globalisel][legalizer] Adapt LegalizerInfo to support inte [...] new acc481d33fb Revert "AArch64: Omit callframe setup/destroy when not necessary"

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Summary of changes: include/llvm/CodeGen/GlobalISel/LegalizerInfo.h | 340 ++++++++++++- lib/CodeGen/GlobalISel/CMakeLists.txt | 4 +- lib/CodeGen/GlobalISel/LegalityPredicates.cpp | 78 +++ lib/CodeGen/GlobalISel/LegalizeMutations.cpp | 44 ++ lib/CodeGen/GlobalISel/LegalizerInfo.cpp | 108 +++- lib/Target/AArch64/AArch64ISelLowering.cpp | 18 +- lib/Target/AArch64/AArch64LegalizerInfo.cpp | 554 ++++++++++----------- test/CodeGen/AArch64/arm64-hello.ll | 4 +- test/CodeGen/AArch64/arm64-shrink-wrapping.ll | 6 +- test/CodeGen/AArch64/big-byval.ll | 13 - test/CodeGen/AArch64/big-callframe.ll | 1 + test/CodeGen/AArch64/func-calls.ll | 2 +- test/CodeGen/AArch64/nontemporal.ll | 8 +- test/CodeGen/AArch64/swifterror.ll | 93 ++-- test/CodeGen/AArch64/tailcall-explicit-sret.ll | 10 +- unittests/CodeGen/GlobalISel/LegalizerInfoTest.cpp | 90 ++-- 16 files changed, 911 insertions(+), 462 deletions(-) create mode 100644 lib/CodeGen/GlobalISel/LegalityPredicates.cpp create mode 100644 lib/CodeGen/GlobalISel/LegalizeMutations.cpp delete mode 100644 test/CodeGen/AArch64/big-byval.ll