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1 // Copyright (c) 2022 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "source/opt/remove_dontinline_pass.h"
16 
17 namespace spvtools {
18 namespace opt {
19 
Process()20 Pass::Status RemoveDontInline::Process() {
21   bool modified = false;
22   modified = ClearDontInlineFunctionControl();
23   return (modified ? Status::SuccessWithChange : Status::SuccessWithoutChange);
24 }
25 
ClearDontInlineFunctionControl()26 bool RemoveDontInline::ClearDontInlineFunctionControl() {
27   bool modified = false;
28   for (auto& func : *get_module()) {
29     ClearDontInlineFunctionControl(&func);
30   }
31   return modified;
32 }
33 
ClearDontInlineFunctionControl(Function * function)34 bool RemoveDontInline::ClearDontInlineFunctionControl(Function* function) {
35   constexpr uint32_t kFunctionControlInOperandIdx = 0;
36   Instruction* function_inst = &function->DefInst();
37   uint32_t function_control =
38       function_inst->GetSingleWordInOperand(kFunctionControlInOperandIdx);
39 
40   if ((function_control & SpvFunctionControlDontInlineMask) == 0) {
41     return false;
42   }
43   function_control &= ~SpvFunctionControlDontInlineMask;
44   function_inst->SetInOperand(kFunctionControlInOperandIdx, {function_control});
45   return true;
46 }
47 
48 }  // namespace opt
49 }  // namespace spvtools
50