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Remove decoration of undefined IDs

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Fix issue #185 by removing OpDecorate instructions whose target IDs are
defined in unreachable blocks and thus not dumped in the generated
SPIR-V code.
This commit is contained in:
qining
2016-03-09 19:54:03 -05:00
parent f7497e289b
commit da39733f28
4 changed files with 38 additions and 0 deletions
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5
SPIRV/spvIR.h
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@@ -182,6 +182,9 @@ public:
void addLocalVariable(std::unique_ptr<Instruction> inst) { localVariables.push_back(std::move(inst)); }
const std::vector<Block*>& getPredecessors() const { return predecessors; }
const std::vector<Block*>& getSuccessors() const { return successors; }
const std::vector<std::unique_ptr<Instruction> >& getInstructions() const {
return instructions;
}
void setUnreachable() { unreachable = true; }
bool isUnreachable() const { return unreachable; }
// Returns the block's merge instruction, if one exists (otherwise null).
@@ -275,6 +278,7 @@ public:
Module& getParent() const { return parent; }
Block* getEntryBlock() const { return blocks.front(); }
Block* getLastBlock() const { return blocks.back(); }
const std::vector<Block*>& getBlocks() const { return blocks; }
void addLocalVariable(std::unique_ptr<Instruction> inst);
Id getReturnType() const { return functionInstruction.getTypeId(); }
void dump(std::vector<unsigned int>& out) const
@@ -326,6 +330,7 @@ public:
}
Instruction* getInstruction(Id id) const { return idToInstruction[id]; }
const std::vector<Function*>& getFunctions() const { return functions; }
spv::Id getTypeId(Id resultId) const { return idToInstruction[resultId]->getTypeId(); }
StorageClass getStorageClass(Id typeId) const
{