blob: bbfbbe489bae7a1170aa9cf4d7c695b5f320f44e (
plain) (
blame)
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
|
//===-- IR/Statepoint.cpp -- gc.statepoint utilities --- -----------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file contains some utility functions to help recognize gc.statepoint
// intrinsics.
//
//===----------------------------------------------------------------------===//
#include "llvm/IR/Statepoint.h"
#include "llvm/IR/Function.h"
using namespace llvm;
bool llvm::isStatepointDirectiveAttr(Attribute Attr) {
return Attr.hasAttribute("statepoint-id") ||
Attr.hasAttribute("statepoint-num-patch-bytes");
}
StatepointDirectives
llvm::parseStatepointDirectivesFromAttrs(AttributeList AS) {
StatepointDirectives Result;
Attribute AttrID =
AS.getAttribute(AttributeList::FunctionIndex, "statepoint-id");
uint64_t StatepointID;
if (AttrID.isStringAttribute())
if (!AttrID.getValueAsString().getAsInteger(10, StatepointID))
Result.StatepointID = StatepointID;
uint32_t NumPatchBytes;
Attribute AttrNumPatchBytes = AS.getAttribute(AttributeList::FunctionIndex,
"statepoint-num-patch-bytes");
if (AttrNumPatchBytes.isStringAttribute())
if (!AttrNumPatchBytes.getValueAsString().getAsInteger(10, NumPatchBytes))
Result.NumPatchBytes = NumPatchBytes;
return Result;
}
|
