Update isl-cpp bindings

We upstreamed the export of isl_val_2exp, to the official cpp bindings.
In this process, we concluded that pow2 is a better and more widely used
name for this functionality. Hence, both the official isl-cpp bindings
and our derived variant use now the term pow2.

llvm-svn: 339312

polly/lib/External/isl/include/isl/isl-noexceptions.h

@@ -3659,7 +3659,6 @@ public:
   inline std::string to_str() const;
   inline void dump() const;
 
-  inline val two_exp() const;
   inline val abs() const;
   inline boolean abs_eq(const val &v2) const;
   inline val add(val v2) const;
@@ -3706,6 +3705,7 @@ public:
   static inline val neginfty(ctx ctx);
   static inline val negone(ctx ctx);
   static inline val one(ctx ctx);
+  inline val pow2() const;
   inline val set_si(long i) const;
   inline int sgn() const;
   inline val sub(val v2) const;
@@ -14168,7 +14168,7 @@ stat schedule_node::foreach_ancestor_top_down(const std::function<stat(schedule_
   } fn_data = { &fn };
   auto fn_lambda = [](isl_schedule_node *arg_0, void *arg_1) -> isl_stat {
     auto *data = static_cast<struct fn_data *>(arg_1);
-    stat ret = (*data->func)(manage(arg_0));
+    stat ret = (*data->func)(manage_copy(arg_0));
     return ret.release();
   };
   auto res = isl_schedule_node_foreach_ancestor_top_down(get(), fn_lambda, &fn_data);
@@ -19087,12 +19087,6 @@ void val::dump() const {
 }
 
 
-val val::two_exp() const
-{
-  auto res = isl_val_2exp(copy());
-  return manage(res);
-}
-
 val val::abs() const
 {
   auto res = isl_val_abs(copy());
@@ -19369,6 +19363,12 @@ val val::one(ctx ctx)
   return manage(res);
 }
 
+val val::pow2() const
+{
+  auto res = isl_val_pow2(copy());
+  return manage(res);
+}
+
 val val::set_si(long i) const
 {
   auto res = isl_val_set_si(copy(), i);

polly/lib/Support/SCEVAffinator.cpp

@@ -157,7 +157,7 @@ isl::pw_aff SCEVAffinator::addModuloSemantic(isl::pw_aff PWA,
   unsigned Width = TD.getTypeSizeInBits(ExprType);
 
   auto ModVal = isl::val::int_from_ui(Ctx, Width);
-  ModVal = ModVal.two_exp();
+  ModVal = ModVal.pow2();
 
   isl::set Domain = PWA.domain();
   isl::pw_aff AddPW =

polly/unittests/Isl/IslTest.cpp

@@ -145,7 +145,7 @@ TEST(Isl, APIntToIslVal) {
   {
     APInt APNOne(32, (1ull << 32) - 1, false);
     auto IslNOne = valFromAPInt(IslCtx, APNOne, false);
-    auto IslRef = isl::val(IslCtx, 32).two_exp().sub_ui(1);
+    auto IslRef = isl::val(IslCtx, 32).pow2().sub_ui(1);
     EXPECT_EQ(IslNOne, IslRef);
   }
 
@@ -154,7 +154,7 @@ TEST(Isl, APIntToIslVal) {
     APLarge = APLarge.shl(70);
     auto IslLarge = valFromAPInt(IslCtx, APLarge, false);
     auto IslRef = isl::val(IslCtx, 71);
-    IslRef = IslRef.two_exp();
+    IslRef = IslRef.pow2();
     EXPECT_EQ(IslLarge, IslRef);
   }
 
@@ -232,7 +232,7 @@ TEST(Isl, IslValToAPInt) {
   }
 
   {
-    auto IslNOne = isl::val(IslCtx, 32).two_exp().sub_ui(1);
+    auto IslNOne = isl::val(IslCtx, 32).pow2().sub_ui(1);
     auto APNOne = APIntFromVal(IslNOne);
     EXPECT_EQ((1ull << 32) - 1, APNOne);
     EXPECT_EQ(33u, APNOne.getBitWidth());
@@ -240,7 +240,7 @@ TEST(Isl, IslValToAPInt) {
 
   {
     auto IslLargeNum = isl::val(IslCtx, 60);
-    IslLargeNum = IslLargeNum.two_exp();
+    IslLargeNum = IslLargeNum.pow2();
     IslLargeNum = IslLargeNum.sub_ui(1);
     auto APLargeNum = APIntFromVal(IslLargeNum);
     EXPECT_EQ((1ull << 60) - 1, APLargeNum);
@@ -249,7 +249,7 @@ TEST(Isl, IslValToAPInt) {
 
   {
     auto IslExp = isl::val(IslCtx, 500);
-    auto IslLargePow2 = IslExp.two_exp();
+    auto IslLargePow2 = IslExp.pow2();
     auto APLargePow2 = APIntFromVal(IslLargePow2);
     EXPECT_TRUE(APLargePow2.isPowerOf2());
     EXPECT_EQ(502u, APLargePow2.getBitWidth());
@@ -258,7 +258,7 @@ TEST(Isl, IslValToAPInt) {
 
   {
     auto IslExp = isl::val(IslCtx, 500);
-    auto IslLargeNPow2 = IslExp.two_exp().neg();
+    auto IslLargeNPow2 = IslExp.pow2().neg();
     auto APLargeNPow2 = APIntFromVal(IslLargeNPow2);
     EXPECT_EQ(501u, APLargeNPow2.getBitWidth());
     EXPECT_EQ(501u, APLargeNPow2.getMinSignedBits());
@@ -267,7 +267,7 @@ TEST(Isl, IslValToAPInt) {
 
   {
     auto IslExp = isl::val(IslCtx, 512);
-    auto IslLargePow2 = IslExp.two_exp();
+    auto IslLargePow2 = IslExp.pow2();
     auto APLargePow2 = APIntFromVal(IslLargePow2);
     EXPECT_TRUE(APLargePow2.isPowerOf2());
     EXPECT_EQ(514u, APLargePow2.getBitWidth());
@@ -276,7 +276,7 @@ TEST(Isl, IslValToAPInt) {
 
   {
     auto IslExp = isl::val(IslCtx, 512);
-    auto IslLargeNPow2 = IslExp.two_exp().neg();
+    auto IslLargeNPow2 = IslExp.pow2().neg();
     auto APLargeNPow2 = APIntFromVal(IslLargeNPow2);
     EXPECT_EQ(513u, APLargeNPow2.getBitWidth());
     EXPECT_EQ(513u, APLargeNPow2.getMinSignedBits());