Vectorize intrinsic math function calls in SLPVectorizer.

This patch adds support to recognize and vectorize intrinsic math functions in SLPVectorizer.
Review: http://reviews.llvm.org/D3560 and http://reviews.llvm.org/D3559


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207901 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 123 deletions

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index ab0cf9a514..e89237051b 100644
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -85,7 +85,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetLibraryInfo.h"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 #include "llvm/Transforms/Utils/Local.h"
@@ -2300,128 +2299,6 @@ LoopVectorizationLegality::getReductionIdentity(ReductionKind K, Type *Tp) {
   }
 }
 
-static Intrinsic::ID checkUnaryFloatSignature(const CallInst &I,
-                                              Intrinsic::ID ValidIntrinsicID) {
-  if (I.getNumArgOperands() != 1 ||
-      !I.getArgOperand(0)->getType()->isFloatingPointTy() ||
-      I.getType() != I.getArgOperand(0)->getType() ||
-      !I.onlyReadsMemory())
-    return Intrinsic::not_intrinsic;
-
-  return ValidIntrinsicID;
-}
-
-static Intrinsic::ID checkBinaryFloatSignature(const CallInst &I,
-                                               Intrinsic::ID ValidIntrinsicID) {
-  if (I.getNumArgOperands() != 2 ||
-      !I.getArgOperand(0)->getType()->isFloatingPointTy() ||
-      !I.getArgOperand(1)->getType()->isFloatingPointTy() ||
-      I.getType() != I.getArgOperand(0)->getType() ||
-      I.getType() != I.getArgOperand(1)->getType() ||
-      !I.onlyReadsMemory())
-    return Intrinsic::not_intrinsic;
-
-  return ValidIntrinsicID;
-}
-
-
-static Intrinsic::ID
-getIntrinsicIDForCall(CallInst *CI, const TargetLibraryInfo *TLI) {
-  // If we have an intrinsic call, check if it is trivially vectorizable.
-  if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(CI)) {
-    Intrinsic::ID ID = II->getIntrinsicID();
-    if (isTriviallyVectorizable(ID) || ID == Intrinsic::lifetime_start ||
-        ID == Intrinsic::lifetime_end)
-      return ID;
-    else
-      return Intrinsic::not_intrinsic;
-  }
-
-  if (!TLI)
-    return Intrinsic::not_intrinsic;
-
-  LibFunc::Func Func;
-  Function *F = CI->getCalledFunction();
-  // We're going to make assumptions on the semantics of the functions, check
-  // that the target knows that it's available in this environment and it does
-  // not have local linkage.
-  if (!F || F->hasLocalLinkage() || !TLI->getLibFunc(F->getName(), Func))
-    return Intrinsic::not_intrinsic;
-
-  // Otherwise check if we have a call to a function that can be turned into a
-  // vector intrinsic.
-  switch (Func) {
-  default:
-    break;
-  case LibFunc::sin:
-  case LibFunc::sinf:
-  case LibFunc::sinl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::sin);
-  case LibFunc::cos:
-  case LibFunc::cosf:
-  case LibFunc::cosl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::cos);
-  case LibFunc::exp:
-  case LibFunc::expf:
-  case LibFunc::expl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::exp);
-  case LibFunc::exp2:
-  case LibFunc::exp2f:
-  case LibFunc::exp2l:
-    return checkUnaryFloatSignature(*CI, Intrinsic::exp2);
-  case LibFunc::log:
-  case LibFunc::logf:
-  case LibFunc::logl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::log);
-  case LibFunc::log10:
-  case LibFunc::log10f:
-  case LibFunc::log10l:
-    return checkUnaryFloatSignature(*CI, Intrinsic::log10);
-  case LibFunc::log2:
-  case LibFunc::log2f:
-  case LibFunc::log2l:
-    return checkUnaryFloatSignature(*CI, Intrinsic::log2);
-  case LibFunc::fabs:
-  case LibFunc::fabsf:
-  case LibFunc::fabsl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::fabs);
-  case LibFunc::copysign:
-  case LibFunc::copysignf:
-  case LibFunc::copysignl:
-    return checkBinaryFloatSignature(*CI, Intrinsic::copysign);
-  case LibFunc::floor:
-  case LibFunc::floorf:
-  case LibFunc::floorl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::floor);
-  case LibFunc::ceil:
-  case LibFunc::ceilf:
-  case LibFunc::ceill:
-    return checkUnaryFloatSignature(*CI, Intrinsic::ceil);
-  case LibFunc::trunc:
-  case LibFunc::truncf:
-  case LibFunc::truncl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::trunc);
-  case LibFunc::rint:
-  case LibFunc::rintf:
-  case LibFunc::rintl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::rint);
-  case LibFunc::nearbyint:
-  case LibFunc::nearbyintf:
-  case LibFunc::nearbyintl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::nearbyint);
-  case LibFunc::round:
-  case LibFunc::roundf:
-  case LibFunc::roundl:
-    return checkUnaryFloatSignature(*CI, Intrinsic::round);
-  case LibFunc::pow:
-  case LibFunc::powf:
-  case LibFunc::powl:
-    return checkBinaryFloatSignature(*CI, Intrinsic::pow);
-  }
-
-  return Intrinsic::not_intrinsic;
-}
-
 /// This function translates the reduction kind to an LLVM binary operator.
 static unsigned
 getReductionBinOp(LoopVectorizationLegality::ReductionKind Kind) {