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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp')
-rw-r--r-- | gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp b/gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp new file mode 100644 index 0000000000..8790c4f5f2 --- /dev/null +++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.cpp @@ -0,0 +1,61 @@ +// +// Copyright 2016 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// +// AddDefaultReturnStatements.cpp: Add default return statements to functions that do not end in a +// return. +// + +#include "compiler/translator/tree_ops/d3d/AddDefaultReturnStatements.h" + +#include "compiler/translator/Compiler.h" +#include "compiler/translator/IntermNode.h" +#include "compiler/translator/tree_util/IntermNode_util.h" +#include "compiler/translator/util.h" + +namespace sh +{ + +namespace +{ + +bool NeedsReturnStatement(TIntermFunctionDefinition *node, TType *returnType) +{ + *returnType = node->getFunctionPrototype()->getType(); + if (returnType->getBasicType() == EbtVoid) + { + return false; + } + + TIntermBlock *bodyNode = node->getBody(); + TIntermBranch *returnNode = bodyNode->getSequence()->back()->getAsBranchNode(); + if (returnNode != nullptr && returnNode->getFlowOp() == EOpReturn) + { + return false; + } + + return true; +} + +} // anonymous namespace + +bool AddDefaultReturnStatements(TCompiler *compiler, TIntermBlock *root) +{ + TType returnType; + for (TIntermNode *node : *root->getSequence()) + { + TIntermFunctionDefinition *definition = node->getAsFunctionDefinition(); + if (definition != nullptr && NeedsReturnStatement(definition, &returnType)) + { + TIntermBranch *branch = new TIntermBranch(EOpReturn, CreateZeroNode(returnType)); + + TIntermBlock *bodyNode = definition->getBody(); + bodyNode->getSequence()->push_back(branch); + } + } + + return compiler->validateAST(root); +} + +} // namespace sh |