Differential D132344 Diff 454372 llvm/lib/Analysis/VectorUtils.cpp

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llvm/lib/Analysis/VectorUtils.cpp

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	bool llvm::isTriviallyVectorizable(Intrinsic::ID ID) {
case Intrinsic::roundeven:		case Intrinsic::roundeven:
case Intrinsic::pow:		case Intrinsic::pow:
case Intrinsic::fma:		case Intrinsic::fma:
case Intrinsic::fmuladd:		case Intrinsic::fmuladd:
case Intrinsic::powi:		case Intrinsic::powi:
case Intrinsic::canonicalize:		case Intrinsic::canonicalize:
case Intrinsic::fptosi_sat:		case Intrinsic::fptosi_sat:
case Intrinsic::fptoui_sat:		case Intrinsic::fptoui_sat:
		case Intrinsic::is_fpclass:
return true;		return true;
default:		default:
return false;		return false;
}		}
}		}

/// Identifies if the vector form of the intrinsic has a scalar operand.		/// Identifies if the vector form of the intrinsic has a scalar operand.
bool llvm::isVectorIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,		bool llvm::isVectorIntrinsicWithScalarOpAtArg(Intrinsic::ID ID,
unsigned ScalarOpdIdx) {		unsigned ScalarOpdIdx) {
switch (ID) {		switch (ID) {
case Intrinsic::abs:		case Intrinsic::abs:
case Intrinsic::ctlz:		case Intrinsic::ctlz:
case Intrinsic::cttz:		case Intrinsic::cttz:
case Intrinsic::powi:		case Intrinsic::powi:
		case Intrinsic::is_fpclass:
return (ScalarOpdIdx == 1);		return (ScalarOpdIdx == 1);
case Intrinsic::smul_fix:		case Intrinsic::smul_fix:
case Intrinsic::smul_fix_sat:		case Intrinsic::smul_fix_sat:
case Intrinsic::umul_fix:		case Intrinsic::umul_fix:
case Intrinsic::umul_fix_sat:		case Intrinsic::umul_fix_sat:
return (ScalarOpdIdx == 2);		return (ScalarOpdIdx == 2);
default:		default:
return false;		return false;
}		}
}		}

bool llvm::isVectorIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID,		bool llvm::isVectorIntrinsicWithOverloadTypeAtArg(Intrinsic::ID ID,
unsigned OpdIdx) {		unsigned OpdIdx) {
switch (ID) {		switch (ID) {
case Intrinsic::fptosi_sat:		case Intrinsic::fptosi_sat:
case Intrinsic::fptoui_sat:		case Intrinsic::fptoui_sat:
		case Intrinsic::is_fpclass:
return OpdIdx == 0;		return OpdIdx == 0;
case Intrinsic::powi:		case Intrinsic::powi:
return OpdIdx == 1;		return OpdIdx == 1;
default:		default:
return false;		return false;
}		}
}		}

		bool llvm::isVectorIntrinsicWithReturnOverloadType(Intrinsic::ID ID) {
		switch (ID) {
		case Intrinsic::is_fpclass: // The return element type is i1 and the vector
		// width of return type matches with the first
		// operand.
		return false;
		default:
		return true;
		}
		}

/// Returns intrinsic ID for call.		/// Returns intrinsic ID for call.
/// For the input call instruction it finds mapping intrinsic and returns		/// For the input call instruction it finds mapping intrinsic and returns
/// its ID, in case it does not found it return not_intrinsic.		/// its ID, in case it does not found it return not_intrinsic.
Intrinsic::ID llvm::getVectorIntrinsicIDForCall(const CallInst *CI,		Intrinsic::ID llvm::getVectorIntrinsicIDForCall(const CallInst *CI,
const TargetLibraryInfo *TLI) {		const TargetLibraryInfo *TLI) {
Intrinsic::ID ID = getIntrinsicForCallSite(*CI, TLI);		Intrinsic::ID ID = getIntrinsicForCallSite(*CI, TLI);
if (ID == Intrinsic::not_intrinsic)		if (ID == Intrinsic::not_intrinsic)
return Intrinsic::not_intrinsic;		return Intrinsic::not_intrinsic;
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