| //===- Assumptions.cpp ------ Collection of helpers for assumptions -------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/IR/Assumptions.h" |
| #include "llvm/IR/Attributes.h" |
| #include "llvm/IR/Function.h" |
| |
| using namespace llvm; |
| |
| bool llvm::hasAssumption(Function &F, |
| const KnownAssumptionString &AssumptionStr) { |
| const Attribute &A = F.getFnAttribute(AssumptionAttrKey); |
| if (!A.isValid()) |
| return false; |
| assert(A.isStringAttribute() && "Expected a string attribute!"); |
| |
| SmallVector<StringRef, 8> Strings; |
| A.getValueAsString().split(Strings, ","); |
| |
| return llvm::any_of(Strings, [=](StringRef Assumption) { |
| return Assumption == AssumptionStr; |
| }); |
| } |
| |
| StringSet<> llvm::KnownAssumptionStrings({ |
| "omp_no_openmp", // OpenMP 5.1 |
| "omp_no_openmp_routines", // OpenMP 5.1 |
| "omp_no_parallelism", // OpenMP 5.1 |
| }); |