diff options
Diffstat (limited to 'lib/CodeGen/CGBuiltin.cpp')
| -rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index 1fc568e507..87d09a981d 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -190,7 +190,6 @@ RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { Result = Builder.CreateIntCast(Result, ResultType, "cast"); return RValue::get(Result); } - case Builtin::BI__builtin_expect: // FIXME: pass expect through to LLVM return RValue::get(EmitScalarExpr(E->getArg(0))); @@ -200,7 +199,22 @@ RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { const llvm::Type *ArgType = ArgValue->getType(); Value *F = CGM.getIntrinsic(Intrinsic::bswap, &ArgType, 1); return RValue::get(Builder.CreateCall(F, ArgValue, "tmp")); + } + case Builtin::BI__builtin_prefetch: { + Value *Locality, *RW, *Address = EmitScalarExpr(E->getArg(0)); + // FIXME: Technically these constants should of type 'int', yes? + RW = (E->getNumArgs() > 1) ? EmitScalarExpr(E->getArg(1)) : + ConstantInt::get(llvm::Type::Int32Ty, 0); + Locality = (E->getNumArgs() > 2) ? EmitScalarExpr(E->getArg(2)) : + ConstantInt::get(llvm::Type::Int32Ty, 3); + Value *F = CGM.getIntrinsic(Intrinsic::prefetch, 0, 0); + return RValue::get(Builder.CreateCall3(F, Address, RW, Locality)); + } + case Builtin::BI__builtin_trap: { + Value *F = CGM.getIntrinsic(Intrinsic::trap, 0, 0); + return RValue::get(Builder.CreateCall(F)); } + case Builtin::BI__builtin_huge_val: case Builtin::BI__builtin_huge_valf: case Builtin::BI__builtin_huge_vall: |