Revert "r366069: [PatternMatch] Implement matching code for LibFunc"

Reason: the change introduced a layering violation by adding a
dependency on IR to Analysis.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@366081 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/IR/PatternMatch.h b/include/llvm/IR/PatternMatch.h
index b45a6b0bc8b8f9fb3d05daf9979ab1915fdd63e8..0f03d7cc56b886f83498905310d96abacb85abb8 100644 (file)
--- a/include/llvm/IR/PatternMatch.h
+++ b/include/llvm/IR/PatternMatch.h
@@ -30,7 +30,6 @@
 
 #include "llvm/ADT/APFloat.h"
 #include "llvm/ADT/APInt.h"
-#include "llvm/Analysis/TargetLibraryInfo.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/InstrTypes.h"
@@ -1813,57 +1812,6 @@ template <typename Val_t> inline Signum_match<Val_t> m_Signum(const Val_t &V) {
   return Signum_match<Val_t>(V);
 }
 
-/// \brief LibFunc matchers.
-struct LibFunc_match {
-  LibFunc F;
-  TargetLibraryInfo TLI;
-  
-  LibFunc_match(LibFunc Func, TargetLibraryInfo TargetLI)
-  : F(Func), TLI(TargetLI) {}
-  
-  template <typename OpTy> bool match(OpTy *V) {
-    LibFunc LF;
-    if (const auto *CI = dyn_cast<CallInst>(V))
-      if (!CI->isNoBuiltin() && CI->getCalledFunction() &&
-          TLI.getLibFunc(*CI->getCalledFunction(), LF) &&
-          LF == F && TLI.has(LF))
-        return true;
-    return false;
-  }
-};
-
-/// LibFunc matches are combinations of Name matchers, and argument
-/// matchers.
-template <typename T0 = void, typename T1 = void, typename T2 = void>
-struct m_LibFunc_Ty;
-template <typename T0> struct m_LibFunc_Ty<T0> {
-  using Ty = match_combine_and<LibFunc_match, Argument_match<T0>>;
-};
-template <typename T0, typename T1> struct m_LibFunc_Ty<T0, T1> {
-  using Ty =
-  match_combine_and<typename m_LibFunc_Ty<T0>::Ty,
-  Argument_match<T1>>;
-};
-
-/// \brief Match LibFunc calls like this:
-/// m_LibFunc<LibFunc_tan>(m_Value(X))
-template <LibFunc F>
-inline LibFunc_match m_LibFunc(TargetLibraryInfo TLI) {
-  return LibFunc_match(F, TLI);
-}
-
-template <LibFunc F, typename T0>
-inline typename m_LibFunc_Ty<T0>::Ty
-m_LibFunc(const TargetLibraryInfo TLI, const T0 &Op0) {
-  return m_CombineAnd(m_LibFunc<F>(TLI), m_Argument<0>(Op0));
-}
-
-template <LibFunc F, typename T0, typename T1>
-inline typename m_LibFunc_Ty<T0, T1>::Ty
-m_LibFunc(const TargetLibraryInfo TLI, const T0 &Op0, const T1 &Op1) {
-  return m_CombineAnd(m_LibFunc<F>(TLI, Op0), m_Argument<1>(Op1));
-}
-
 } // end namespace PatternMatch
 } // end namespace llvm
 

diff --git a/unittests/IR/PatternMatch.cpp b/unittests/IR/PatternMatch.cpp
index 3f8e6918019514e353fc111178391e2fe42571ff..600494fba26719997d38487afa1610ccfb2d166c 100644 (file)
--- a/unittests/IR/PatternMatch.cpp
+++ b/unittests/IR/PatternMatch.cpp
@@ -35,15 +35,13 @@ struct PatternMatchTest : ::testing::Test {
   Function *F;
   BasicBlock *BB;
   IRBuilder<NoFolder> IRB;
-  TargetLibraryInfoImpl TLII;
-  TargetLibraryInfo TLI;
 
   PatternMatchTest()
       : M(new Module("PatternMatchTestModule", Ctx)),
         F(Function::Create(
             FunctionType::get(Type::getVoidTy(Ctx), /* IsVarArg */ false),
             Function::ExternalLinkage, "f", M.get())),
-        BB(BasicBlock::Create(Ctx, "entry", F)), IRB(BB), TLI(TLII) {}
+        BB(BasicBlock::Create(Ctx, "entry", F)), IRB(BB) {}
 };
 
 TEST_F(PatternMatchTest, OneUse) {
@@ -1010,40 +1008,6 @@ TEST_F(PatternMatchTest, FloatingPointFNeg) {
   EXPECT_FALSE(match(V3, m_FNeg(m_Value(Match))));
 }
 
-TEST_F(PatternMatchTest, LibFunc) {
-  Type *FltTy = IRB.getFloatTy();
-  Value *One = ConstantFP::get(FltTy, 1.0);
-  Value *Two = ConstantFP::get(FltTy, 2.0);
-  Value *MatchOne, *MatchTwo;
-
-  StringRef TanName = TLI.getName(LibFunc_tan);
-  FunctionCallee TanCallee = M->getOrInsertFunction(TanName, FltTy, FltTy);
-  CallInst *Tan = IRB.CreateCall(TanCallee, One, TanName);
-
-  StringRef PowName = TLI.getName(LibFunc_pow);
-  FunctionCallee PowCallee = M->getOrInsertFunction(PowName, FltTy, FltTy, FltTy);
-  CallInst *Pow = IRB.CreateCall(PowCallee, {One, Two}, PowName);
-
-  EXPECT_TRUE(match(Tan, m_LibFunc<LibFunc_tan>(TLI)));
-  EXPECT_FALSE(match(Tan, m_LibFunc<LibFunc_pow>(TLI)));
-  EXPECT_FALSE(match(Pow, m_LibFunc<LibFunc_tan>(TLI)));
-
-  EXPECT_TRUE(match(Tan, m_LibFunc<LibFunc_tan>(TLI, m_Value(MatchOne))));
-  EXPECT_EQ(One, MatchOne);
-  EXPECT_FALSE(match(Tan, m_LibFunc<LibFunc_sin>(TLI, m_Value())));
-
-  EXPECT_TRUE(match(Pow, m_LibFunc<LibFunc_pow>(TLI, m_Value(MatchOne),
-                                                m_Value(MatchTwo))));
-  EXPECT_EQ(One, MatchOne);
-  EXPECT_EQ(Two, MatchTwo);
-  EXPECT_FALSE(match(Pow, m_LibFunc<LibFunc_fminf>(TLI, m_Value(), m_Value())));
-  
-  TLII.disableAllFunctions();
-  EXPECT_FALSE(match(Tan, m_LibFunc<LibFunc_tan>(TLI)));
-  EXPECT_FALSE(match(Tan, m_LibFunc<LibFunc_tan>(TLI, m_Value())));
-  EXPECT_FALSE(match(Pow, m_LibFunc<LibFunc_pow>(TLI, m_Value(), m_Value())));
-}
-
 template <typename T> struct MutableConstTest : PatternMatchTest { };
 
 typedef ::testing::Types<std::tuple<Value*, Instruction*>,