diff options
Diffstat (limited to 'clang/lib/CodeGen/CGBuiltin.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 2537e715b63e..3f7b28dd5760 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -3435,6 +3435,18 @@ RValue CodeGenFunction::EmitBuiltinExpr(const GlobalDecl GD, unsigned BuiltinID, Builder.CreateAssumption(ConstantInt::getTrue(getLLVMContext()), {OBD}); return RValue::get(nullptr); } + case Builtin::BI__builtin_allow_runtime_check: { + StringRef Kind = + cast<StringLiteral>(E->getArg(0)->IgnoreParenCasts())->getString(); + LLVMContext &Ctx = CGM.getLLVMContext(); + llvm::Metadata *KindStr[] = {llvm::MDString::get(Ctx, Kind)}; + llvm::MDNode *KindNode = llvm::MDNode::get(Ctx, KindStr); + llvm::Value *KindMD = llvm::MetadataAsValue::get(Ctx, KindNode); + llvm::Value *Allow = Builder.CreateCall( + CGM.getIntrinsic(llvm::Intrinsic::allow_runtime_check), KindMD); + + return RValue::get(Allow); + } case Builtin::BI__arithmetic_fence: { // Create the builtin call if FastMath is selected, and the target // supports the builtin, otherwise just return the argument. |