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from 47dab13b271 [X86] Don't report gather is legal on Skylake CPUs when AVX [...] new fd41de87fcd [X86] Add separate intrinsics for scalar FMA4 instructions.

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Summary of changes: include/llvm/CodeGen/ISDOpcodes.h | 2 +- include/llvm/IR/IntrinsicsX86.td | 8 + lib/Target/X86/X86ISelLowering.cpp | 12 + lib/Target/X86/X86ISelLowering.h | 3 + lib/Target/X86/X86InstrFMA.td | 44 +- lib/Target/X86/X86InstrFormats.td | 10 +- lib/Target/X86/X86InstrFragmentsSIMD.td | 6 + lib/Target/X86/X86InstrInfo.td | 1 + lib/Target/X86/X86IntrinsicsInfo.h | 2 + lib/Target/X86/X86Subtarget.h | 2 +- test/CodeGen/X86/fma-commute-x86.ll | 441 -------------- test/CodeGen/X86/fma-intrinsics-x86.ll | 201 ------- test/CodeGen/X86/fma-scalar-memfold.ll | 113 ---- .../{fma-commute-x86.ll => fma4-commute-x86.ll} | 661 +-------------------- test/CodeGen/X86/fma4-fneg-combine.ll | 111 ++++ test/CodeGen/X86/fma4-intrinsics-x86.ll | 289 +++++++++ .../X86/fma4-intrinsics-x86_64-folded-load.ll | 28 +- test/CodeGen/X86/fma4-scalar-memfold.ll | 104 ++++ 18 files changed, 594 insertions(+), 1444 deletions(-) copy test/CodeGen/X86/{fma-commute-x86.ll => fma4-commute-x86.ll} (51%) create mode 100644 test/CodeGen/X86/fma4-fneg-combine.ll create mode 100644 test/CodeGen/X86/fma4-intrinsics-x86.ll create mode 100644 test/CodeGen/X86/fma4-scalar-memfold.ll