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AVX-512: Fixed a bug in emitting compare for MVT:i1 type.
[oota-llvm.git]
/
lib
/
Analysis
/
Delinearization.cpp
diff --git
a/lib/Analysis/Delinearization.cpp
b/lib/Analysis/Delinearization.cpp
index b4c0523cd5d64627a45f4941e30552970a2c04ce..9334cebe1802b8e8696ededb578971e96048b145 100644
(file)
--- a/
lib/Analysis/Delinearization.cpp
+++ b/
lib/Analysis/Delinearization.cpp
@@
-14,8
+14,6
@@
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
-#define DL_NAME "delinearize"
-#define DEBUG_TYPE DL_NAME
#include "llvm/IR/Constants.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/IR/Constants.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/Passes.h"
@@
-34,6
+32,9
@@
using namespace llvm;
using namespace llvm;
+#define DL_NAME "delinearize"
+#define DEBUG_TYPE DL_NAME
+
namespace {
class Delinearization : public FunctionPass {
namespace {
class Delinearization : public FunctionPass {
@@
-94,27
+95,36
@@
void Delinearization::print(raw_ostream &O, const Module *) const {
// Do not analyze memory accesses outside loops.
for (Loop *L = LI->getLoopFor(BB); L != nullptr; L = L->getParentLoop()) {
const SCEV *AccessFn = SE->getSCEVAtScope(getPointerOperand(*Inst), L);
// Do not analyze memory accesses outside loops.
for (Loop *L = LI->getLoopFor(BB); L != nullptr; L = L->getParentLoop()) {
const SCEV *AccessFn = SE->getSCEVAtScope(getPointerOperand(*Inst), L);
+
+ const SCEVUnknown *BasePointer =
+ dyn_cast<SCEVUnknown>(SE->getPointerBase(AccessFn));
+ // Do not delinearize if we cannot find the base pointer.
+ if (!BasePointer)
+ break;
+ AccessFn = SE->getMinusSCEV(AccessFn, BasePointer);
const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(AccessFn);
// Do not try to delinearize memory accesses that are not AddRecs.
if (!AR)
break;
const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(AccessFn);
// Do not try to delinearize memory accesses that are not AddRecs.
if (!AR)
break;
+
O << "\n";
O << "Inst:" << *Inst << "\n";
O << "In Loop with Header: " << L->getHeader()->getName() << "\n";
O << "\n";
O << "Inst:" << *Inst << "\n";
O << "In Loop with Header: " << L->getHeader()->getName() << "\n";
-
O << "AddRec: " << *AR << "\n";
SmallVector<const SCEV *, 3> Subscripts, Sizes;
O << "AddRec: " << *AR << "\n";
SmallVector<const SCEV *, 3> Subscripts, Sizes;
-
const SCEV *Res = AR->delinearize(*SE, Subscripts, Sizes
);
- i
nt Size = Subscripts.size();
-
if (Res == AR || Size == 0
) {
+
AR->delinearize(*SE, Subscripts, Sizes, SE->getElementSize(Inst)
);
+ i
f (Subscripts.size() == 0 || Sizes.size() == 0 ||
+
Subscripts.size() != Sizes.size()
) {
O << "failed to delinearize\n";
continue;
}
O << "failed to delinearize\n";
continue;
}
- O << "Base offset: " << *Res << "\n";
+
+ O << "Base offset: " << *BasePointer << "\n";
O << "ArrayDecl[UnknownSize]";
O << "ArrayDecl[UnknownSize]";
+ int Size = Subscripts.size();
for (int i = 0; i < Size - 1; i++)
O << "[" << *Sizes[i] << "]";
O << " with elements of " << *Sizes[Size - 1] << " bytes.\n";
for (int i = 0; i < Size - 1; i++)
O << "[" << *Sizes[i] << "]";
O << " with elements of " << *Sizes[Size - 1] << " bytes.\n";