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BlockGenerator: Do not store 'store' statements in BBMap 

A store statement has no return value and can consequently not be referenced
from another statement.

llvm-svn: 244576
This commit is contained in:
Tobias Grosser 2015-08-11 08:13:15 +00:00
parent 07f31d92ca
commit c186ac7aea
2 changed files with 8 additions and 15 deletions
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6
polly/include/polly/CodeGen/BlockGenerators.h
View File

@ -406,9 +406,9 @@ protected:
ValueMapT &BBMap, ValueMapT &GlobalMap,
LoopToScevMapT &LTS);
Value *generateScalarStore(ScopStmt &Stmt, const StoreInst *store,
ValueMapT &BBMap, ValueMapT &GlobalMap,
LoopToScevMapT &LTS);
void generateScalarStore(ScopStmt &Stmt, const StoreInst *store,
ValueMapT &BBMap, ValueMapT &GlobalMap,
LoopToScevMapT &LTS);
/// @brief Copy a single PHI instruction.
///

17
polly/lib/CodeGen/BlockGenerators.cpp
View File

@ -230,20 +230,16 @@ Value *BlockGenerator::generateScalarLoad(ScopStmt &Stmt, const LoadInst *Load,
return ScalarLoad;
}
Value *BlockGenerator::generateScalarStore(ScopStmt &Stmt,
const StoreInst *Store,
ValueMapT &BBMap,
ValueMapT &GlobalMap,
LoopToScevMapT &LTS) {
void BlockGenerator::generateScalarStore(ScopStmt &Stmt, const StoreInst *Store,
ValueMapT &BBMap, ValueMapT &GlobalMap,
LoopToScevMapT &LTS) {
const Value *Pointer = Store->getPointerOperand();
Value *NewPointer =
generateLocationAccessed(Stmt, Store, Pointer, BBMap, GlobalMap, LTS);
Value *ValueOperand = getNewValue(Stmt, Store->getValueOperand(), BBMap,
GlobalMap, LTS, getLoopForInst(Store));
Value *NewStore = Builder.CreateAlignedStore(ValueOperand, NewPointer,
Store->getAlignment());
return NewStore;
Builder.CreateAlignedStore(ValueOperand, NewPointer, Store->getAlignment());
}
void BlockGenerator::copyInstruction(ScopStmt &Stmt, const Instruction *Inst,
@ -275,10 +271,7 @@ void BlockGenerator::copyInstruction(ScopStmt &Stmt, const Instruction *Inst,
}
if (const StoreInst *Store = dyn_cast<StoreInst>(Inst)) {
Value *NewStore = generateScalarStore(Stmt, Store, BBMap, GlobalMap, LTS);
// Compute NewStore before its insertion in BBMap to make the insertion
// deterministic.
BBMap[Store] = NewStore;
generateScalarStore(Stmt, Store, BBMap, GlobalMap, LTS);
return;
}