1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
//===- 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"
#include "llvm/IR/InstrTypes.h"
using namespace llvm;
namespace {
bool hasAssumption(const Attribute &A,
const KnownAssumptionString &AssumptionStr) {
if (!A.isValid())
return false;
assert(A.isStringAttribute() && "Expected a string attribute!");
SmallVector<StringRef, 8> Strings;
A.getValueAsString().split(Strings, ",");
return llvm::is_contained(Strings, AssumptionStr);
}
} // namespace
bool llvm::hasAssumption(Function &F,
const KnownAssumptionString &AssumptionStr) {
const Attribute &A = F.getFnAttribute(AssumptionAttrKey);
return ::hasAssumption(A, AssumptionStr);
}
bool llvm::hasAssumption(CallBase &CB,
const KnownAssumptionString &AssumptionStr) {
if (Function *F = CB.getCalledFunction())
if (hasAssumption(*F, AssumptionStr))
return true;
const Attribute &A = CB.getFnAttr(AssumptionAttrKey);
return ::hasAssumption(A, 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
});
|
