Anders Carlsson | 022012e | 2007-08-20 18:05:56 +0000 | [diff] [blame] | 1 | //===---- CGBuiltin.cpp - Emit LLVM Code for builtins ---------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file was developed by Anders Carlsson and is distributed under |
| 6 | // the University of Illinois Open Source License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This contains code to emit Builtin calls as LLVM code. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | #include "CodeGenFunction.h" |
| 15 | #include "CodeGenModule.h" |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 16 | #include "clang/Basic/TargetInfo.h" |
Chris Lattner | bef20ac | 2007-08-31 04:31:45 +0000 | [diff] [blame] | 17 | #include "clang/AST/ASTContext.h" |
Anders Carlsson | 022012e | 2007-08-20 18:05:56 +0000 | [diff] [blame] | 18 | #include "clang/AST/Builtins.h" |
| 19 | #include "clang/AST/Expr.h" |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 20 | #include "clang/AST/TargetBuiltins.h" |
Chris Lattner | 6de93ff | 2007-08-26 04:17:05 +0000 | [diff] [blame] | 21 | #include "llvm/Constants.h" |
Chris Lattner | c5e940f | 2007-08-31 04:44:06 +0000 | [diff] [blame] | 22 | #include "llvm/Function.h" |
Anders Carlsson | 793680e | 2007-10-12 23:56:29 +0000 | [diff] [blame] | 23 | #include "llvm/Intrinsics.h" |
Anders Carlsson | 022012e | 2007-08-20 18:05:56 +0000 | [diff] [blame] | 24 | using namespace clang; |
| 25 | using namespace CodeGen; |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 26 | using namespace llvm; |
| 27 | |
Chris Lattner | 6de93ff | 2007-08-26 04:17:05 +0000 | [diff] [blame] | 28 | RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { |
| 29 | switch (BuiltinID) { |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 30 | default: { |
Chris Lattner | c5e940f | 2007-08-31 04:44:06 +0000 | [diff] [blame] | 31 | if (getContext().BuiltinInfo.isLibFunction(BuiltinID)) |
| 32 | return EmitCallExpr(CGM.getBuiltinLibFunction(BuiltinID), E); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 33 | |
| 34 | // See if we have a target specific intrinsic. |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 35 | Intrinsic::ID IntrinsicID; |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 36 | const char *TargetPrefix = Target.getTargetPrefix(); |
| 37 | const char *BuiltinName = getContext().BuiltinInfo.GetName(BuiltinID); |
| 38 | #define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN |
| 39 | #include "llvm/Intrinsics.gen" |
| 40 | #undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN |
| 41 | |
| 42 | if (IntrinsicID != Intrinsic::not_intrinsic) { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 43 | SmallVector<Value*, 16> Args; |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 44 | |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 45 | Function *F = CGM.getIntrinsic(IntrinsicID); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 46 | const llvm::FunctionType *FTy = F->getFunctionType(); |
| 47 | |
| 48 | for (unsigned i = 0, e = E->getNumArgs(); i != e; ++i) { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 49 | Value *ArgValue = EmitScalarExpr(E->getArg(i)); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 50 | |
| 51 | // If the intrinsic arg type is different from the builtin arg type |
| 52 | // we need to do a bit cast. |
| 53 | const llvm::Type *PTy = FTy->getParamType(i); |
| 54 | if (PTy != ArgValue->getType()) { |
| 55 | assert(PTy->canLosslesslyBitCastTo(FTy->getParamType(i)) && |
| 56 | "Must be able to losslessly bit cast to param"); |
| 57 | ArgValue = Builder.CreateBitCast(ArgValue, PTy); |
| 58 | } |
| 59 | |
| 60 | Args.push_back(ArgValue); |
| 61 | } |
| 62 | |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 63 | Value *V = Builder.CreateCall(F, &Args[0], &Args[0] + Args.size()); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 64 | QualType BuiltinRetType = E->getType(); |
| 65 | |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 66 | const llvm::Type *RetTy = llvm::Type::VoidTy; |
| 67 | if (!BuiltinRetType->isVoidType()) RetTy = ConvertType(BuiltinRetType); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 68 | |
| 69 | if (RetTy != V->getType()) { |
| 70 | assert(V->getType()->canLosslesslyBitCastTo(RetTy) && |
| 71 | "Must be able to losslessly bit cast result type"); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 72 | V = Builder.CreateBitCast(V, RetTy); |
| 73 | } |
| 74 | |
| 75 | return RValue::get(V); |
| 76 | } |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 77 | |
| 78 | // See if we have a target specific builtin that needs to be lowered. |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 79 | Value *V = 0; |
Chris Lattner | c5e940f | 2007-08-31 04:44:06 +0000 | [diff] [blame] | 80 | |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 81 | if (strcmp(TargetPrefix, "x86") == 0) |
| 82 | V = EmitX86BuiltinExpr(BuiltinID, E); |
| 83 | else if (strcmp(TargetPrefix, "ppc") == 0) |
| 84 | V = EmitPPCBuiltinExpr(BuiltinID, E); |
| 85 | |
| 86 | if (V) |
| 87 | return RValue::get(V); |
| 88 | |
Chris Lattner | dc4d280 | 2007-12-02 01:49:16 +0000 | [diff] [blame] | 89 | WarnUnsupported(E, "builtin function"); |
Chris Lattner | 6de93ff | 2007-08-26 04:17:05 +0000 | [diff] [blame] | 90 | |
| 91 | // Unknown builtin, for now just dump it out and return undef. |
| 92 | if (hasAggregateLLVMType(E->getType())) |
| 93 | return RValue::getAggregate(CreateTempAlloca(ConvertType(E->getType()))); |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 94 | return RValue::get(UndefValue::get(ConvertType(E->getType()))); |
Anders Carlsson | ca6fcfa | 2007-12-09 21:20:04 +0000 | [diff] [blame] | 95 | } |
Chris Lattner | 6de93ff | 2007-08-26 04:17:05 +0000 | [diff] [blame] | 96 | case Builtin::BI__builtin___CFStringMakeConstantString: { |
| 97 | const Expr *Arg = E->getArg(0); |
| 98 | |
Anders Carlsson | d6a275f | 2007-11-01 00:39:26 +0000 | [diff] [blame] | 99 | while (1) { |
| 100 | if (const ParenExpr *PE = dyn_cast<ParenExpr>(Arg)) |
| 101 | Arg = PE->getSubExpr(); |
| 102 | else if (const ImplicitCastExpr *CE = dyn_cast<ImplicitCastExpr>(Arg)) |
| 103 | Arg = CE->getSubExpr(); |
| 104 | else |
| 105 | break; |
| 106 | } |
Chris Lattner | 6de93ff | 2007-08-26 04:17:05 +0000 | [diff] [blame] | 107 | |
| 108 | const StringLiteral *Literal = cast<StringLiteral>(Arg); |
| 109 | std::string S(Literal->getStrData(), Literal->getByteLength()); |
| 110 | |
| 111 | return RValue::get(CGM.GetAddrOfConstantCFString(S)); |
Anders Carlsson | 793680e | 2007-10-12 23:56:29 +0000 | [diff] [blame] | 112 | } |
| 113 | case Builtin::BI__builtin_va_start: |
| 114 | case Builtin::BI__builtin_va_end: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 115 | Value *ArgValue = EmitScalarExpr(E->getArg(0)); |
Christopher Lamb | ddc23f3 | 2007-12-17 01:11:20 +0000 | [diff] [blame] | 116 | const llvm::Type *DestType = |
| 117 | llvm::PointerType::getUnqual(llvm::Type::Int8Ty); |
Anders Carlsson | 793680e | 2007-10-12 23:56:29 +0000 | [diff] [blame] | 118 | if (ArgValue->getType() != DestType) |
| 119 | ArgValue = Builder.CreateBitCast(ArgValue, DestType, |
| 120 | ArgValue->getNameStart()); |
| 121 | |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 122 | Intrinsic::ID inst = (BuiltinID == Builtin::BI__builtin_va_start) ? |
| 123 | Intrinsic::vastart : Intrinsic::vaend; |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 124 | return RValue::get(Builder.CreateCall(CGM.getIntrinsic(inst), ArgValue)); |
Anders Carlsson | 793680e | 2007-10-12 23:56:29 +0000 | [diff] [blame] | 125 | } |
Anders Carlsson | 89799cf | 2007-10-29 02:59:40 +0000 | [diff] [blame] | 126 | case Builtin::BI__builtin_classify_type: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 127 | APSInt Result(32); |
Anders Carlsson | 89799cf | 2007-10-29 02:59:40 +0000 | [diff] [blame] | 128 | if (!E->isBuiltinClassifyType(Result)) |
| 129 | assert(0 && "Expr not __builtin_classify_type!"); |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 130 | return RValue::get(ConstantInt::get(Result)); |
Anders Carlsson | 022012e | 2007-08-20 18:05:56 +0000 | [diff] [blame] | 131 | } |
Anders Carlsson | d6a275f | 2007-11-01 00:39:26 +0000 | [diff] [blame] | 132 | case Builtin::BI__builtin_constant_p: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 133 | APSInt Result(32); |
Anders Carlsson | d6a275f | 2007-11-01 00:39:26 +0000 | [diff] [blame] | 134 | // FIXME: Analyze the parameter and check if it is a constant. |
| 135 | Result = 0; |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 136 | return RValue::get(ConstantInt::get(Result)); |
Anders Carlsson | d6a275f | 2007-11-01 00:39:26 +0000 | [diff] [blame] | 137 | } |
Anders Carlsson | c2251dc | 2007-11-20 19:05:17 +0000 | [diff] [blame] | 138 | case Builtin::BI__builtin_abs: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 139 | Value *ArgValue = EmitScalarExpr(E->getArg(0)); |
Anders Carlsson | c2251dc | 2007-11-20 19:05:17 +0000 | [diff] [blame] | 140 | |
| 141 | llvm::BinaryOperator *NegOp = |
| 142 | Builder.CreateNeg(ArgValue, (ArgValue->getName() + "neg").c_str()); |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 143 | Value *CmpResult = |
Anders Carlsson | c2251dc | 2007-11-20 19:05:17 +0000 | [diff] [blame] | 144 | Builder.CreateICmpSGE(ArgValue, NegOp->getOperand(0), "abscond"); |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 145 | Value *Result = |
Anders Carlsson | c2251dc | 2007-11-20 19:05:17 +0000 | [diff] [blame] | 146 | Builder.CreateSelect(CmpResult, ArgValue, NegOp, "abs"); |
| 147 | |
| 148 | return RValue::get(Result); |
| 149 | } |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 150 | case Builtin::BI__builtin_expect: |
| 151 | return RValue::get(EmitScalarExpr(E->getArg(0))); |
Anders Carlsson | df4852a | 2007-12-02 21:58:10 +0000 | [diff] [blame] | 152 | case Builtin::BI__builtin_bswap32: |
| 153 | case Builtin::BI__builtin_bswap64: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 154 | Value *ArgValue = EmitScalarExpr(E->getArg(0)); |
Anders Carlsson | df4852a | 2007-12-02 21:58:10 +0000 | [diff] [blame] | 155 | const llvm::Type *ArgType = ArgValue->getType(); |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 156 | Value *F = CGM.getIntrinsic(Intrinsic::bswap, &ArgType, 1); |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 157 | return RValue::get(Builder.CreateCall(F, ArgValue, "tmp")); |
Anders Carlsson | df4852a | 2007-12-02 21:58:10 +0000 | [diff] [blame] | 158 | } |
Anders Carlsson | c8ee798 | 2007-12-05 07:22:48 +0000 | [diff] [blame] | 159 | case Builtin::BI__builtin_inff: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 160 | APFloat f(APFloat::IEEEsingle, APFloat::fcInfinity, false); |
| 161 | return RValue::get(ConstantFP::get(llvm::Type::FloatTy, f)); |
Anders Carlsson | c8ee798 | 2007-12-05 07:22:48 +0000 | [diff] [blame] | 162 | } |
| 163 | case Builtin::BI__builtin_inf: |
| 164 | // FIXME: mapping long double onto double. |
| 165 | case Builtin::BI__builtin_infl: { |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 166 | APFloat f(APFloat::IEEEdouble, APFloat::fcInfinity, false); |
| 167 | return RValue::get(ConstantFP::get(llvm::Type::DoubleTy, f)); |
Anders Carlsson | c8ee798 | 2007-12-05 07:22:48 +0000 | [diff] [blame] | 168 | } |
Anders Carlsson | 89799cf | 2007-10-29 02:59:40 +0000 | [diff] [blame] | 169 | } |
Anders Carlsson | 022012e | 2007-08-20 18:05:56 +0000 | [diff] [blame] | 170 | return RValue::get(0); |
| 171 | } |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 172 | |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 173 | Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID, |
| 174 | const CallExpr *E) { |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 175 | |
| 176 | llvm::SmallVector<Value*, 4> Ops; |
| 177 | |
| 178 | for (unsigned i = 0, e = E->getNumArgs(); i != e; i++) |
| 179 | Ops.push_back(EmitScalarExpr(E->getArg(i))); |
| 180 | |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 181 | switch (BuiltinID) { |
Anders Carlsson | 46a26b0 | 2007-12-09 23:39:18 +0000 | [diff] [blame] | 182 | default: return 0; |
| 183 | case X86::BI__builtin_ia32_mulps: |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 184 | return Builder.CreateMul(Ops[0], Ops[1], "mulps"); |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 185 | case X86::BI__builtin_ia32_pand: |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 186 | return Builder.CreateAnd(Ops[0], Ops[1], "pand"); |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 187 | case X86::BI__builtin_ia32_por: |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 188 | return Builder.CreateAnd(Ops[0], Ops[1], "por"); |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 189 | case X86::BI__builtin_ia32_pxor: |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 190 | return Builder.CreateAnd(Ops[0], Ops[1], "pxor"); |
Chris Lattner | 8e7b692 | 2007-12-11 04:33:00 +0000 | [diff] [blame] | 191 | case X86::BI__builtin_ia32_pandn: { |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 192 | Ops[0] = Builder.CreateNot(Ops[0], "tmp"); |
| 193 | return Builder.CreateAnd(Ops[0], Ops[1], "pandn"); |
Chris Lattner | 8e7b692 | 2007-12-11 04:33:00 +0000 | [diff] [blame] | 194 | } |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 195 | case X86::BI__builtin_ia32_paddb: |
| 196 | case X86::BI__builtin_ia32_paddd: |
| 197 | case X86::BI__builtin_ia32_paddq: |
| 198 | case X86::BI__builtin_ia32_paddw: |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 199 | case X86::BI__builtin_ia32_addps: |
| 200 | return Builder.CreateAdd(Ops[0], Ops[1], "add"); |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 201 | case X86::BI__builtin_ia32_psubb: |
| 202 | case X86::BI__builtin_ia32_psubd: |
| 203 | case X86::BI__builtin_ia32_psubq: |
| 204 | case X86::BI__builtin_ia32_psubw: |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 205 | case X86::BI__builtin_ia32_subps: |
| 206 | return Builder.CreateSub(Ops[0], Ops[1], "sub"); |
| 207 | case X86::BI__builtin_ia32_divps: |
| 208 | return Builder.CreateFDiv(Ops[0], Ops[1], "divps"); |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 209 | case X86::BI__builtin_ia32_pmullw: |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 210 | return Builder.CreateMul(Ops[0], Ops[1], "pmul"); |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 211 | case X86::BI__builtin_ia32_punpckhbw: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 212 | return EmitShuffleVector(Ops[0], Ops[1], 4, 12, 5, 13, 6, 14, 7, 15, |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 213 | "punpckhbw"); |
| 214 | case X86::BI__builtin_ia32_punpckhwd: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 215 | return EmitShuffleVector(Ops[0], Ops[1], 2, 6, 3, 7, "punpckhwd"); |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 216 | case X86::BI__builtin_ia32_punpckhdq: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 217 | return EmitShuffleVector(Ops[0], Ops[1], 1, 3, "punpckhdq"); |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 218 | case X86::BI__builtin_ia32_punpcklbw: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 219 | return EmitShuffleVector(Ops[0], Ops[1], 0, 8, 1, 9, 2, 10, 3, 11, |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 220 | "punpcklbw"); |
| 221 | case X86::BI__builtin_ia32_punpcklwd: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 222 | return EmitShuffleVector(Ops[0], Ops[1], 0, 4, 1, 5, "punpcklwd"); |
Anders Carlsson | db83230 | 2007-12-11 03:09:22 +0000 | [diff] [blame] | 223 | case X86::BI__builtin_ia32_punpckldq: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 224 | return EmitShuffleVector(Ops[0], Ops[1], 0, 2, "punpckldq"); |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 225 | case X86::BI__builtin_ia32_pslldi: |
| 226 | case X86::BI__builtin_ia32_psllqi: |
| 227 | case X86::BI__builtin_ia32_psllwi: |
| 228 | case X86::BI__builtin_ia32_psradi: |
| 229 | case X86::BI__builtin_ia32_psrawi: |
| 230 | case X86::BI__builtin_ia32_psrldi: |
| 231 | case X86::BI__builtin_ia32_psrlqi: |
| 232 | case X86::BI__builtin_ia32_psrlwi: { |
| 233 | Ops[1] = Builder.CreateZExt(Ops[1], llvm::Type::Int64Ty, "zext"); |
| 234 | const llvm::Type *Ty = llvm::VectorType::get(llvm::Type::Int64Ty, 1); |
| 235 | Ops[1] = Builder.CreateBitCast(Ops[1], Ty, "bitcast"); |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 236 | const char *name = 0; |
| 237 | Intrinsic::ID ID = Intrinsic::not_intrinsic; |
| 238 | |
| 239 | switch (BuiltinID) { |
| 240 | default: assert(0 && "Unsupported shift intrinsic!"); |
| 241 | case X86::BI__builtin_ia32_pslldi: |
| 242 | name = "pslldi"; |
| 243 | ID = Intrinsic::x86_mmx_psll_d; |
| 244 | break; |
| 245 | case X86::BI__builtin_ia32_psllqi: |
| 246 | name = "psllqi"; |
| 247 | ID = Intrinsic::x86_mmx_psll_q; |
| 248 | break; |
| 249 | case X86::BI__builtin_ia32_psllwi: |
| 250 | name = "psllwi"; |
| 251 | ID = Intrinsic::x86_mmx_psll_w; |
| 252 | break; |
| 253 | case X86::BI__builtin_ia32_psradi: |
| 254 | name = "psradi"; |
| 255 | ID = Intrinsic::x86_mmx_psra_d; |
| 256 | break; |
| 257 | case X86::BI__builtin_ia32_psrawi: |
| 258 | name = "psrawi"; |
| 259 | ID = Intrinsic::x86_mmx_psra_w; |
| 260 | break; |
| 261 | case X86::BI__builtin_ia32_psrldi: |
| 262 | name = "psrldi"; |
| 263 | ID = Intrinsic::x86_mmx_psrl_d; |
| 264 | break; |
| 265 | case X86::BI__builtin_ia32_psrlqi: |
| 266 | name = "psrlqi"; |
| 267 | ID = Intrinsic::x86_mmx_psrl_q; |
| 268 | break; |
| 269 | case X86::BI__builtin_ia32_psrlwi: |
| 270 | name = "psrlwi"; |
| 271 | ID = Intrinsic::x86_mmx_psrl_w; |
| 272 | break; |
| 273 | } |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 274 | llvm::Function *F = CGM.getIntrinsic(ID); |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 275 | return Builder.CreateCall(F, &Ops[0], &Ops[0] + Ops.size(), name); |
| 276 | } |
| 277 | case X86::BI__builtin_ia32_pshufd: { |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 278 | unsigned i = cast<ConstantInt>(Ops[1])->getZExtValue(); |
Anders Carlsson | 2929cfa | 2007-12-14 17:48:24 +0000 | [diff] [blame] | 279 | return EmitShuffleVector(Ops[0], Ops[0], |
Anders Carlsson | 4e4ee21 | 2007-12-11 02:25:54 +0000 | [diff] [blame] | 280 | i & 0x3, (i & 0xc) >> 2, |
| 281 | (i & 0x30) >> 4, (i & 0xc0) >> 6, |
| 282 | "pshufd"); |
| 283 | } |
Anders Carlsson | 6086bbd | 2007-12-15 21:23:30 +0000 | [diff] [blame] | 284 | case X86::BI__builtin_ia32_vec_init_v4hi: |
| 285 | case X86::BI__builtin_ia32_vec_init_v8qi: |
| 286 | case X86::BI__builtin_ia32_vec_init_v2si: |
| 287 | return EmitVector(&Ops[0], Ops.size()); |
| 288 | case X86::BI__builtin_ia32_vec_ext_v2si: |
| 289 | return Builder.CreateExtractElement(Ops[0], Ops[1], "result"); |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 290 | case X86::BI__builtin_ia32_cmpordss: |
| 291 | case X86::BI__builtin_ia32_cmpunordss: |
| 292 | case X86::BI__builtin_ia32_cmpeqss: |
| 293 | case X86::BI__builtin_ia32_cmpltss: |
| 294 | case X86::BI__builtin_ia32_cmpless: |
| 295 | case X86::BI__builtin_ia32_cmpneqss: |
| 296 | case X86::BI__builtin_ia32_cmpnltss: |
| 297 | case X86::BI__builtin_ia32_cmpnless: { |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 298 | unsigned i = 0; |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 299 | const char *name = 0; |
| 300 | switch (BuiltinID) { |
| 301 | default: assert(0 && "Unknown compare builtin!"); |
| 302 | case X86::BI__builtin_ia32_cmpeqss: |
| 303 | i = 0; |
| 304 | name = "cmpeqss"; |
| 305 | break; |
| 306 | case X86::BI__builtin_ia32_cmpltss: |
| 307 | i = 1; |
| 308 | name = "cmpltss"; |
| 309 | break; |
| 310 | case X86::BI__builtin_ia32_cmpless: |
| 311 | i = 2; |
| 312 | name = "cmpless"; |
| 313 | break; |
| 314 | case X86::BI__builtin_ia32_cmpunordss: |
| 315 | i = 3; |
| 316 | name = "cmpunordss"; |
| 317 | break; |
| 318 | case X86::BI__builtin_ia32_cmpneqss: |
| 319 | i = 4; |
| 320 | name = "cmpneqss"; |
| 321 | break; |
| 322 | case X86::BI__builtin_ia32_cmpnltss: |
| 323 | i = 5; |
| 324 | name = "cmpntlss"; |
| 325 | break; |
| 326 | case X86::BI__builtin_ia32_cmpnless: |
| 327 | i = 6; |
| 328 | name = "cmpnless"; |
| 329 | break; |
| 330 | case X86::BI__builtin_ia32_cmpordss: |
| 331 | i = 7; |
| 332 | name = "cmpordss"; |
| 333 | break; |
| 334 | } |
| 335 | |
| 336 | Ops.push_back(llvm::ConstantInt::get(llvm::Type::Int8Ty, i)); |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 337 | llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse_cmp_ss); |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 338 | return Builder.CreateCall(F, &Ops[0], &Ops[0] + Ops.size(), name); |
| 339 | } |
| 340 | case X86::BI__builtin_ia32_cmpordps: |
| 341 | case X86::BI__builtin_ia32_cmpunordps: |
| 342 | case X86::BI__builtin_ia32_cmpeqps: |
| 343 | case X86::BI__builtin_ia32_cmpltps: |
| 344 | case X86::BI__builtin_ia32_cmpleps: |
| 345 | case X86::BI__builtin_ia32_cmpneqps: |
| 346 | case X86::BI__builtin_ia32_cmpngtps: |
| 347 | case X86::BI__builtin_ia32_cmpnltps: |
| 348 | case X86::BI__builtin_ia32_cmpgtps: |
| 349 | case X86::BI__builtin_ia32_cmpgeps: |
| 350 | case X86::BI__builtin_ia32_cmpngeps: |
| 351 | case X86::BI__builtin_ia32_cmpnleps: { |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 352 | unsigned i = 0; |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 353 | const char *name = 0; |
| 354 | bool ShouldSwap = false; |
| 355 | switch (BuiltinID) { |
| 356 | default: assert(0 && "Unknown compare builtin!"); |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 357 | case X86::BI__builtin_ia32_cmpeqps: i = 0; name = "cmpeqps"; break; |
| 358 | case X86::BI__builtin_ia32_cmpltps: i = 1; name = "cmpltps"; break; |
| 359 | case X86::BI__builtin_ia32_cmpleps: i = 2; name = "cmpleps"; break; |
| 360 | case X86::BI__builtin_ia32_cmpunordps: i = 3; name = "cmpunordps"; break; |
| 361 | case X86::BI__builtin_ia32_cmpneqps: i = 4; name = "cmpneqps"; break; |
| 362 | case X86::BI__builtin_ia32_cmpnltps: i = 5; name = "cmpntlps"; break; |
| 363 | case X86::BI__builtin_ia32_cmpnleps: i = 6; name = "cmpnleps"; break; |
| 364 | case X86::BI__builtin_ia32_cmpordps: i = 7; name = "cmpordps"; break; |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 365 | case X86::BI__builtin_ia32_cmpgtps: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 366 | ShouldSwap = true; |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 367 | i = 1; |
| 368 | name = "cmpgtps"; |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 369 | break; |
| 370 | case X86::BI__builtin_ia32_cmpgeps: |
| 371 | i = 2; |
| 372 | name = "cmpgeps"; |
| 373 | ShouldSwap = true; |
| 374 | break; |
| 375 | case X86::BI__builtin_ia32_cmpngtps: |
| 376 | i = 5; |
| 377 | name = "cmpngtps"; |
| 378 | ShouldSwap = true; |
| 379 | break; |
| 380 | case X86::BI__builtin_ia32_cmpngeps: |
| 381 | i = 6; |
| 382 | name = "cmpngeps"; |
| 383 | ShouldSwap = true; |
| 384 | break; |
| 385 | } |
| 386 | |
| 387 | if (ShouldSwap) |
| 388 | std::swap(Ops[0], Ops[1]); |
| 389 | |
| 390 | Ops.push_back(llvm::ConstantInt::get(llvm::Type::Int8Ty, i)); |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 391 | llvm::Function *F = CGM.getIntrinsic(Intrinsic::x86_sse_cmp_ps); |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 392 | return Builder.CreateCall(F, &Ops[0], &Ops[0] + Ops.size(), name); |
| 393 | } |
| 394 | case X86::BI__builtin_ia32_movss: |
| 395 | return EmitShuffleVector(Ops[0], Ops[1], 4, 1, 2, 3, "movss"); |
| 396 | case X86::BI__builtin_ia32_shufps: |
Chris Lattner | 7acda7c | 2007-12-18 00:25:38 +0000 | [diff] [blame] | 397 | unsigned i = cast<ConstantInt>(Ops[2])->getZExtValue(); |
Anders Carlsson | cc8b7f9 | 2007-12-16 22:33:50 +0000 | [diff] [blame] | 398 | return EmitShuffleVector(Ops[0], Ops[1], |
| 399 | i & 0x3, (i & 0xc) >> 2, |
| 400 | ((i & 0x30) >> 4) + 4, |
| 401 | ((i & 0x60) >> 6) + 4, "shufps"); |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 402 | } |
| 403 | } |
| 404 | |
Chris Lattner | 1feedd8 | 2007-12-13 07:34:23 +0000 | [diff] [blame] | 405 | Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID, |
| 406 | const CallExpr *E) { |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 407 | switch (BuiltinID) { |
Anders Carlsson | 46a26b0 | 2007-12-09 23:39:18 +0000 | [diff] [blame] | 408 | default: return 0; |
Anders Carlsson | 564f1de | 2007-12-09 23:17:02 +0000 | [diff] [blame] | 409 | } |
| 410 | } |