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-rw-r--r--test/Sema/vector-cast.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/test/Sema/vector-cast.c b/test/Sema/vector-cast.c
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+++ b/test/Sema/vector-cast.c
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+// RUN: clang-cc -fsyntax-only %s -verify -Wvector-conversions
+
+typedef long long t1 __attribute__ ((vector_size (8)));
+typedef char t2 __attribute__ ((vector_size (16)));
+typedef float t3 __attribute__ ((vector_size (16)));
+
+void f()
+{
+ t1 v1;
+ t2 v2;
+ t3 v3;
+
+ v2 = (t2)v1; // -expected-error {{invalid conversion between vector type \
+'t1' and 't2' of different size}}
+ v1 = (t1)v2; // -expected-error {{invalid conversion between vector type \
+'t2' and 't1' of different size}}
+ v3 = (t3)v2;
+
+ v1 = (t1)(char *)10; // -expected-error {{invalid conversion between vector \
+type 't1' and scalar type 'char *'}}
+ v1 = (t1)(long long)10;
+ v1 = (t1)(short)10; // -expected-error {{invalid conversion between vector \
+type 't1' and integer type 'int' of different size}}
+
+ long long r1 = (long long)v1;
+ short r2 = (short)v1; // -expected-error {{invalid conversion between vector \
+type 't1' and integer type 'short' of different size}}
+ char *r3 = (char *)v1; // -expected-error {{invalid conversion between vector\
+ type 't1' and scalar type 'char *'}}
+}
+
+
+void f2(t2 X);
+
+void f3(t3 Y) {
+ f2(Y); // expected-warning {{incompatible vector types passing 't3', expected 't2'}}
+}
+
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