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-rw-r--r--polly/include/polly/ScopInfo.h3
-rw-r--r--polly/lib/Analysis/ScopInfo.cpp13
2 files changed, 12 insertions, 4 deletions
diff --git a/polly/include/polly/ScopInfo.h b/polly/include/polly/ScopInfo.h
index f0f078f1173..5c102e0766d 100644
--- a/polly/include/polly/ScopInfo.h
+++ b/polly/include/polly/ScopInfo.h
@@ -797,6 +797,9 @@ public:
/// @brief Return the access function subscript in the dimension @p Dim.
const SCEV *getSubscript(unsigned Dim) const { return Subscripts[Dim]; }
+ /// @brief Compute the isl representation for the SCEV @p E wrt. this access.
+ __isl_give isl_pw_aff *getPwAff(const SCEV *E);
+
/// Get the stride of this memory access in the specified Schedule. Schedule
/// is a map from the statement to a schedule where the innermost dimension is
/// the dimension of the innermost loop containing the statement.
diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp
index 7f632a91b4f..14e673cb7b4 100644
--- a/polly/lib/Analysis/ScopInfo.cpp
+++ b/polly/lib/Analysis/ScopInfo.cpp
@@ -676,14 +676,14 @@ void MemoryAccess::buildMemIntrinsicAccessRelation() {
assert(isa<MemIntrinsic>(getAccessInstruction()));
assert(Subscripts.size() == 2 && Sizes.size() == 0);
- auto *SubscriptPWA = Statement->getPwAff(Subscripts[0]);
+ auto *SubscriptPWA = getPwAff(Subscripts[0]);
auto *SubscriptMap = isl_map_from_pw_aff(SubscriptPWA);
isl_map *LengthMap;
if (Subscripts[1] == nullptr) {
LengthMap = isl_map_universe(isl_map_get_space(SubscriptMap));
} else {
- auto *LengthPWA = Statement->getPwAff(Subscripts[1]);
+ auto *LengthPWA = getPwAff(Subscripts[1]);
LengthMap = isl_map_from_pw_aff(LengthPWA);
auto *RangeSpace = isl_space_range(isl_map_get_space(LengthMap));
LengthMap = isl_map_apply_range(LengthMap, isl_map_lex_gt(RangeSpace));
@@ -742,7 +742,7 @@ __isl_give isl_map *MemoryAccess::foldAccess(__isl_take isl_map *AccessRelation,
for (int i = Size - 2; i >= 0; --i) {
isl_space *Space;
isl_map *MapOne, *MapTwo;
- isl_pw_aff *DimSize = Statement->getPwAff(Sizes[i]);
+ isl_pw_aff *DimSize = getPwAff(Sizes[i]);
isl_space *SpaceSize = isl_pw_aff_get_space(DimSize);
isl_pw_aff_free(DimSize);
@@ -840,7 +840,7 @@ void MemoryAccess::buildAccessRelation(const ScopArrayInfo *SAI) {
AccessRelation = isl_map_universe(Space);
for (int i = 0, Size = Subscripts.size(); i < Size; ++i) {
- isl_pw_aff *Affine = Statement->getPwAff(Subscripts[i]);
+ isl_pw_aff *Affine = getPwAff(Subscripts[i]);
isl_map *SubscriptMap = isl_map_from_pw_aff(Affine);
AccessRelation = isl_map_flat_range_product(AccessRelation, SubscriptMap);
}
@@ -919,6 +919,11 @@ void MemoryAccess::print(raw_ostream &OS) const {
void MemoryAccess::dump() const { print(errs()); }
+__isl_give isl_pw_aff *MemoryAccess::getPwAff(const SCEV *E) {
+ auto *Stmt = getStatement();
+ return Stmt->getParent()->getPwAff(E, Stmt->getEntryBlock());
+}
+
// Create a map in the size of the provided set domain, that maps from the
// one element of the provided set domain to another element of the provided
// set domain.
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