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
54
55
56
57
58
|
/*========================== begin_copyright_notice ============================
Copyright (C) 2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "Compiler/RemoveCodeAssumptions.hpp"
#include "Compiler/IGCPassSupport.h"
using namespace llvm;
using namespace IGC;
// Register pass to igc-opt
#define PASS_FLAG "igc-remove-code-assumptions"
#define PASS_DESCRIPTION "Remove code assumptions from the module"
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(RemoveCodeAssumptions, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
IGC_INITIALIZE_PASS_END(RemoveCodeAssumptions, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
char RemoveCodeAssumptions::ID = 0;
RemoveCodeAssumptions::RemoveCodeAssumptions()
: FunctionPass(ID)
{
initializeRemoveCodeAssumptionsPass(*PassRegistry::getPassRegistry());
}
bool RemoveCodeAssumptions::runOnFunction(Function& F)
{
visit(F);
bool changed = m_instructionsToRemove.size() > 0;
for (auto I : m_instructionsToRemove)
{
I->eraseFromParent();
}
m_instructionsToRemove.clear();
return changed;
}
void RemoveCodeAssumptions::visitIntrinsicInst(llvm::IntrinsicInst& I)
{
auto intrinsicID = I.getIntrinsicID();
switch (intrinsicID)
{
case Intrinsic::assume:
m_instructionsToRemove.push_back(&I);
break;
default:
break;
}
}
|
