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//===- 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
"ompx_spmd_amenable", // OpenMPOpt extension
});
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