1 files changed, 53 insertions, 0 deletions
diff --git a/clang/test/Sema/vector-assign.c b/clang/test/Sema/vector-assign.c
new file mode 100644
index 0000000..f01eb45
--- /dev/null
+++ b/clang/test/Sema/vector-assign.c
@@ -0,0 +1,53 @@
+// RUN: %clang_cc1 %s -verify -fsyntax-only -Wvector-conversion
+typedef unsigned int v2u __attribute__ ((vector_size (8)));
+typedef signed int v2s __attribute__ ((vector_size (8)));
+typedef signed int v1s __attribute__ ((vector_size (4)));
+typedef float v2f __attribute__ ((vector_size(8)));
+typedef signed short v4ss __attribute__ ((vector_size (8)));
+
+void test1() {
+  v2s v1;
+  v2u v2;
+  v1s v3;
+  v2f v4;
+  v4ss v5;
+  
+  v1 = v2; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v2u'}}
+  v1 = v3; // expected-error {{assigning to 'v2s' from incompatible type 'v1s'}}
+  v1 = v4; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v2f'}}
+  v1 = v5; // expected-warning {{incompatible vector types assigning to 'v2s' from 'v4ss'}}
+  
+  v2 = v1; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v2s'}}
+  v2 = v3; // expected-error {{assigning to 'v2u' from incompatible type 'v1s'}}
+  v2 = v4; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v2f'}}
+  v2 = v5; // expected-warning {{incompatible vector types assigning to 'v2u' from 'v4ss'}}
+  
+  v3 = v1; // expected-error {{assigning to 'v1s' from incompatible type 'v2s'}}
+  v3 = v2; // expected-error {{assigning to 'v1s' from incompatible type 'v2u'}}
+  v3 = v4; // expected-error {{assigning to 'v1s' from incompatible type 'v2f'}}
+  v3 = v5; // expected-error {{assigning to 'v1s' from incompatible type 'v4ss'}}
+  
+  v4 = v1; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v2s'}}
+  v4 = v2; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v2u'}}
+  v4 = v3; // expected-error {{assigning to 'v2f' from incompatible type 'v1s'}}
+  v4 = v5; // expected-warning {{incompatible vector types assigning to 'v2f' from 'v4ss'}}
+  
+  v5 = v1; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2s'}}
+  v5 = v2; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2u'}}
+  v5 = v3; // expected-error {{assigning to 'v4ss' from incompatible type 'v1s'}}
+  v5 = v4; // expected-warning {{incompatible vector types assigning to 'v4ss' from 'v2f'}}
+}
+
+// PR2263
+float test2(__attribute__((vector_size(16))) float a, int b) {
+   return a[b];
+}
+
+// PR4838
+typedef long long __attribute__((__vector_size__(2 * sizeof(long long))))
+longlongvec;
+
+void test3a(longlongvec *); // expected-note{{passing argument to parameter here}}
+void test3(const unsigned *src) {
+  test3a(src);  // expected-warning {{incompatible pointer types passing 'const unsigned int *' to parameter of type 'longlongvec *'}}
+}