// and output dimension not related.
// [i0, i1, i2, i3] -> [i0, i1, i2, o0]
isl_space *Space = isl_set_get_space(Domain);
- Space = isl_space_drop_outputs(Space, Dim - 2, 1);
+ Space = isl_space_drop_outputs(Space, Dim - 1, 1);
Space = isl_space_map_from_set(Space);
isl_map *Identity = isl_map_identity(Space);
Identity = isl_map_add_dims(Identity, isl_dim_in, 1);
Identity = isl_map_add_dims(Identity, isl_dim_out, 1);
- isl_map *Map = isl_map_from_domain_and_range(isl_set_copy(Domain), Domain);
+ isl_map *Map = isl_map_from_domain_and_range(isl_set_copy(Domain),
+ isl_set_copy(Domain));
+ isl_set_free(Domain);
Map = isl_map_intersect(Map, Identity);
isl_map *LexMax = isl_map_lexmax(isl_map_copy(Map));
--- /dev/null
+; RUN: opt %loadPolly -polly-codegen-isl -polly-vectorizer=polly < %s
+; RUN: opt %loadPolly -polly-codegen-isl -polly-vectorizer=bb < %s
+
+; This test case checks that the polly vectorizer does not crash when
+; calculating the number of iterations.
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+@b = external global [2048 x i64], align 16
+
+define void @foo(i64 %n) {
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.body, %entry
+ %indvar = phi i64 [ 0, %entry ], [ %inc, %for.body ]
+ %cmp = icmp slt i64 %indvar, %n
+ br i1 %cmp, label %for.body, label %for.end
+
+for.body: ; preds = %for.cond
+ %arrayidx = getelementptr inbounds [2048 x i64]* @b, i64 0, i64 %indvar
+ store i64 1, i64* %arrayidx
+ %inc = add nsw i64 %indvar, 1
+ br label %for.cond
+
+for.end: ; preds = %for.cond
+ ret void
+}
+