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from d022ddb ARM: only form SMMLS when SUBE flags unused. new 75834f7 [WebAssembly] Initial SIMD128 support. new 66c2ec1 [safestack] Layout large allocas first to reduce fragmentation.

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Summary of changes: lib/CodeGen/SafeStackLayout.cpp | 8 ++ .../InstPrinter/WebAssemblyInstPrinter.cpp | 5 + lib/Target/WebAssembly/WebAssembly.td | 2 +- lib/Target/WebAssembly/WebAssemblyArgumentMove.cpp | 7 +- lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp | 13 +- lib/Target/WebAssembly/WebAssemblyFastISel.cpp | 80 ++++++++++- lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | 10 ++ lib/Target/WebAssembly/WebAssemblyInstrCall.td | 34 +++++ lib/Target/WebAssembly/WebAssemblyInstrControl.td | 15 ++ lib/Target/WebAssembly/WebAssemblyInstrFormats.td | 18 +++ lib/Target/WebAssembly/WebAssemblyInstrInfo.td | 11 ++ lib/Target/WebAssembly/WebAssemblyInstrSIMD.td | 7 +- lib/Target/WebAssembly/WebAssemblyPeephole.cpp | 31 +++- .../WebAssemblyPrepareForLiveIntervals.cpp | 6 +- lib/Target/WebAssembly/WebAssemblyRegNumbering.cpp | 6 +- lib/Target/WebAssembly/WebAssemblyRegStackify.cpp | 8 +- lib/Target/WebAssembly/WebAssemblyRegisterInfo.td | 4 + test/CodeGen/WebAssembly/simd-arith.ll | 158 +++++++++++++++++++++ test/Transforms/SafeStack/layout-frag.ll | 39 +++++ 19 files changed, 448 insertions(+), 14 deletions(-) create mode 100644 test/CodeGen/WebAssembly/simd-arith.ll create mode 100644 test/Transforms/SafeStack/layout-frag.ll