aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/Sema/SemaOverload.cpp13
-rw-r--r--test/SemaCXX/vector.cpp30
2 files changed, 39 insertions, 4 deletions
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index 001e951d96..a22556a7e5 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -1015,14 +1015,18 @@ Sema::IsStandardConversion(Expr* From, QualType ToType,
// Complex-real conversions (C99 6.3.1.7)
SCS.Second = ICK_Complex_Real;
FromType = ToType.getUnqualifiedType();
- } else if (FromType->isFloatingType() && ToType->isFloatingType()) {
+ } else if (FromType->isFloatingType() && ToType->isFloatingType() &&
+ /*FIXME*/!FromType->isVectorType() &&
+ /*FIXME*/!ToType->isVectorType()) {
// Floating point conversions (C++ 4.8).
SCS.Second = ICK_Floating_Conversion;
FromType = ToType.getUnqualifiedType();
- } else if ((FromType->isFloatingType() &&
+ } else if ((FromType->isFloatingType() &&
+ /*FIXME*/!FromType->isVectorType() &&
ToType->isIntegralType(Context) && !ToType->isBooleanType()) ||
(FromType->isIntegralOrEnumerationType() &&
- ToType->isFloatingType())) {
+ ToType->isFloatingType() &&
+ /*FIXME*/!FromType->isVectorType())) {
// Floating-integral conversions (C++ 4.9).
SCS.Second = ICK_Floating_Integral;
FromType = ToType.getUnqualifiedType();
@@ -1041,7 +1045,8 @@ Sema::IsStandardConversion(Expr* From, QualType ToType,
FromType->isAnyPointerType() ||
FromType->isBlockPointerType() ||
FromType->isMemberPointerType() ||
- FromType->isNullPtrType())) {
+ FromType->isNullPtrType()) &&
+ /*FIXME*/!FromType->isVectorType()) {
// Boolean conversions (C++ 4.12).
SCS.Second = ICK_Boolean_Conversion;
FromType = Context.BoolTy;
diff --git a/test/SemaCXX/vector.cpp b/test/SemaCXX/vector.cpp
index b548865553..66b2d680d2 100644
--- a/test/SemaCXX/vector.cpp
+++ b/test/SemaCXX/vector.cpp
@@ -186,3 +186,33 @@ void test_implicit_conversions(bool Cond, char16 c16, longlong16 ll16,
(void)(Cond? to_c16 : to_ll16); // expected-error{{can't convert between vector values of different size}}
(void)(Cond? to_c16e : to_ll16e); // expected-error{{can't convert between vector values of different size}}
}
+
+typedef float fltx2 __attribute__((__vector_size__(8)));
+typedef float fltx4 __attribute__((__vector_size__(16)));
+typedef double dblx2 __attribute__((__vector_size__(16)));
+typedef double dblx4 __attribute__((__vector_size__(32)));
+
+void accept_fltx2(fltx2); // expected-note{{candidate function not viable: no known conversion from 'double' to 'fltx2' for 1st argument}}
+void accept_fltx4(fltx4);
+void accept_dblx2(dblx2);
+void accept_dblx4(dblx4);
+void accept_bool(bool); // expected-note{{candidate function not viable: no known conversion from 'fltx2' to 'bool' for 1st argument}}
+
+void test(fltx2 fltx2_val, fltx4 fltx4_val, dblx2 dblx2_val, dblx4 dblx4_val) {
+ // Exact matches
+ accept_fltx2(fltx2_val);
+ accept_fltx4(fltx4_val);
+ accept_dblx2(dblx2_val);
+ accept_dblx4(dblx4_val);
+
+ // Same-size conversions
+ // FIXME: G++ rejects these conversions, we accept them. Revisit this!
+ accept_fltx4(dblx2_val);
+ accept_dblx2(fltx4_val);
+
+ // Conversion to bool.
+ accept_bool(fltx2_val); // expected-error{{no matching function for call to 'accept_bool'}}
+
+ // Scalar-to-vector conversions.
+ accept_fltx2(1.0); // expected-error{{no matching function for call to 'accept_fltx2'}}
+}