[all-commits] [llvm/llvm-project] 4d20e3: [FPEnv] Intrinsic llvm.roundeven

[Serge Pavlov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 4d20e31f736c76785e03367c036183474459ef9a
      https://github.com/llvm/llvm-project/commit/4d20e31f736c76785e03367c036183474459ef9a
  Author: Serge Pavlov <sepavloff at gmail.com>
  Date:   2020-05-26 (Tue, 26 May 2020)

  Changed paths:
    M llvm/docs/LangRef.rst
    M llvm/include/llvm/Analysis/TargetLibraryInfo.def
    M llvm/include/llvm/CodeGen/BasicTTIImpl.h
    M llvm/include/llvm/CodeGen/ISDOpcodes.h
    M llvm/include/llvm/IR/ConstrainedOps.def
    M llvm/include/llvm/IR/Intrinsics.td
    M llvm/include/llvm/IR/RuntimeLibcalls.def
    M llvm/lib/Analysis/ConstantFolding.cpp
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/lib/Analysis/TargetLibraryInfo.cpp
    M llvm/lib/Analysis/ValueTracking.cpp
    M llvm/lib/Analysis/VectorUtils.cpp
    M llvm/lib/CodeGen/IntrinsicLowering.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp
    M llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAGDumper.cpp
    M llvm/lib/CodeGen/TargetLoweringBase.cpp
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
    M llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
    A llvm/test/CodeGen/Generic/fpoperations.ll
    M llvm/test/ExecutionEngine/Interpreter/intrinsics.ll
    M llvm/test/Transforms/InstCombine/double-float-shrink-2.ll
    M llvm/test/Transforms/InstCombine/float-shrink-compare.ll
    M llvm/test/Transforms/InstSimplify/known-never-nan.ll
    M llvm/test/Transforms/InstSimplify/round-intrinsics.ll
    M llvm/test/Transforms/LICM/hoist-round.ll
    M llvm/test/Transforms/LoopVectorize/intrinsic.ll
    M llvm/unittests/Analysis/TargetLibraryInfoTest.cpp
    M llvm/unittests/IR/IRBuilderTest.cpp

  Log Message:
  -----------
  [FPEnv] Intrinsic llvm.roundeven

This intrinsic implements IEEE-754 operation roundToIntegralTiesToEven,
and performs rounding to the nearest integer value, rounding halfway
cases to even. The intrinsic represents the missed case of IEEE-754
rounding operations and now llvm provides full support of the rounding
operations defined by the standard.

Differential Revision: https://reviews.llvm.org/D75670