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Diffstat (limited to 'clang/test/Sema/vector-cast.c')
| -rw-r--r-- | clang/test/Sema/vector-cast.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/clang/test/Sema/vector-cast.c b/clang/test/Sema/vector-cast.c new file mode 100644 index 0000000..f1cf013 --- /dev/null +++ b/clang/test/Sema/vector-cast.c @@ -0,0 +1,38 @@ +// RUN: %clang_cc1 -fsyntax-only %s -verify -Wvector-conversion + +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 \ +'t2' and 't1' of different size}} + v1 = (t1)v2; // -expected-error {{invalid conversion between vector type \ +'t1' and 't2' 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 'short' 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); // expected-note{{passing argument to parameter 'X' here}} + +void f3(t3 Y) { + f2(Y); // expected-warning {{incompatible vector types passing 't3' to parameter of type 't2'}} +} + |