diff options
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index d9ff2d8ac9b..ae61c046d93 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -879,8 +879,48 @@ Value *CodeGenFunction::EmitTargetBuiltinExpr(unsigned BuiltinID, } } +const llvm::Type *GetNeonType(LLVMContext &Ctx, unsigned type, bool q) { + switch (type) { + default: break; + case 0: + case 5: return llvm::VectorType::get(llvm::Type::getInt8Ty(Ctx), 8 << q); + case 6: + case 7: + case 1: return llvm::VectorType::get(llvm::Type::getInt16Ty(Ctx), 4 << q); + case 2: return llvm::VectorType::get(llvm::Type::getInt32Ty(Ctx), 2 << q); + case 3: return llvm::VectorType::get(llvm::Type::getInt64Ty(Ctx), 1 << q); + case 4: return llvm::VectorType::get(llvm::Type::getFloatTy(Ctx), 2 << q); + }; + return 0; +} + Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { + llvm::SmallVector<Value*, 4> Ops; + bool usgn, poly, half; + const llvm::Type *Ty; + unsigned Int; + + // Determine the type of this overloaded NEON intrinsic. + if (BuiltinID != ARM::BI__builtin_thread_pointer) { + for (unsigned i = 0, e = E->getNumArgs() - 1; i != e; i++) + Ops.push_back(EmitScalarExpr(E->getArg(i))); + + llvm::APSInt Result; + const Expr *Arg = E->getArg(E->getNumArgs()-1); + if (!Arg->isIntegerConstantExpr(Result, getContext())) + return 0; + + unsigned type = Result.getZExtValue(); + Ty = GetNeonType(VMContext, type & 0x7, type & 0x10); + if (!Ty) + return 0; + + usgn = type & 0x08; + poly = type == 5 || type == 6; + half = type == 7; + } + switch (BuiltinID) { default: return 0; @@ -888,6 +928,55 @@ Value *CodeGenFunction::EmitARMBuiltinExpr(unsigned BuiltinID, Value *AtomF = CGM.getIntrinsic(Intrinsic::arm_thread_pointer, 0, 0); return Builder.CreateCall(AtomF); } + // FIXME: bitcast args, return. + case ARM::BI__builtin_neon_vaba_v: + case ARM::BI__builtin_neon_vabaq_v: { + Int = usgn ? Intrinsic::arm_neon_vabau : Intrinsic::arm_neon_vabas; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 3, "vaba"); + } + case ARM::BI__builtin_neon_vabal_v: { + Int = usgn ? Intrinsic::arm_neon_vabalu : Intrinsic::arm_neon_vabals; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 3, "vabal"); + } + case ARM::BI__builtin_neon_vabd_v: + case ARM::BI__builtin_neon_vabdq_v: { + Int = usgn ? Intrinsic::arm_neon_vabdu : Intrinsic::arm_neon_vabds; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 2, "vabd"); + } + case ARM::BI__builtin_neon_vabdl_v: { + Int = usgn ? Intrinsic::arm_neon_vabdlu : Intrinsic::arm_neon_vabdls; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 2, "vabdl"); + } + case ARM::BI__builtin_neon_vabs_v: + case ARM::BI__builtin_neon_vabsq_v: { + Value *F = CGM.getIntrinsic(Intrinsic::arm_neon_vabs, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 1, "vabs"); + } + case ARM::BI__builtin_neon_vaddhn_v: { + Value *F = CGM.getIntrinsic(Intrinsic::arm_neon_vaddhn, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 2, "vaddhn"); + } + case ARM::BI__builtin_neon_vaddl_v: { + Int = usgn ? Intrinsic::arm_neon_vaddlu : Intrinsic::arm_neon_vaddls; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 2, "vaddl"); + } + case ARM::BI__builtin_neon_vaddw_v: { + Int = usgn ? Intrinsic::arm_neon_vaddws : Intrinsic::arm_neon_vaddwu; + Value *F = CGM.getIntrinsic(Int, &Ty, 1); + return Builder.CreateCall(F, &Ops[0], &Ops[0] + 2, "vaddw"); + } + // FIXME: vbsl -> or ((0 & 1), (0 & 2)), impl. with generic ops? + case ARM::BI__builtin_neon_vcage_v: + return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_neon_vacged), + &Ops[0], &Ops[0] + 2, "vcage"); + case ARM::BI__builtin_neon_vcageq_v: + return Builder.CreateCall(CGM.getIntrinsic(Intrinsic::arm_neon_vacgeq), + &Ops[0], &Ops[0] + 2, "vcage"); } } |
