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Revert r205646 (keeping the test in its modified form) as 

it is subsumed by r205521.

llvm-svn: 205718
This commit is contained in:
Fariborz Jahanian 2014-04-07 16:32:54 +00:00
parent 6c684a727a
commit 148c8c8ec2
2 changed files with 3 additions and 12 deletions
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11
clang/lib/Sema/SemaChecking.cpp
View File

@ -6113,21 +6113,12 @@ void CheckConditionalOperator(Sema &S, ConditionalOperator *E,
/// implicit conversions in the given expression. There are a couple
/// of competing diagnostics here, -Wconversion and -Wsign-compare.
void AnalyzeImplicitConversions(Sema &S, Expr *OrigE, SourceLocation CC) {
QualType T = OrigE->getType();
Expr *E = OrigE->IgnoreParenImpCasts();
if (E->isTypeDependent() || E->isValueDependent())
return;
QualType T = OrigE->getType();
// Check for conversion from an arithmetic type to a vector of arithmetic
// type elements. Warn if this results in truncation of each vector element.
if (isa<ExtVectorElementExpr>(E)) {
if (ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(OrigE))
if ((ICE->getCastKind() == CK_VectorSplat) &&
!T.isNull() && T->isExtVectorType())
T = cast<ExtVectorType>(T.getCanonicalType())->getElementType();
}
// For conditional operators, we analyze the arguments as if they
// were being fed directly into the output.
if (isa<ConditionalOperator>(E)) {

4
clang/test/Sema/conversion.c
View File

@ -426,6 +426,6 @@ typedef __attribute__ ((ext_vector_type( 8),__aligned__( 32))) uint32_t uint8;
void test27(ushort16 constants) {
uint8 pairedConstants = (uint8) constants;
ushort16 crCbScale = pairedConstants.s4; // expected-warning {{implicit conversion loses integer precision: 'uint32_t' (aka 'unsigned int') to 'unsigned short'}}
ushort16 brBias = pairedConstants.s6; // expected-warning {{implicit conversion loses integer precision: 'uint32_t' (aka 'unsigned int') to 'unsigned short'}}
ushort16 crCbScale = pairedConstants.s4; // expected-warning {{implicit conversion loses integer precision: 'uint32_t' (aka 'unsigned int') to 'ushort16'}}
ushort16 brBias = pairedConstants.s6; // expected-warning {{implicit conversion loses integer precision: 'uint32_t' (aka 'unsigned int') to 'ushort16'}}
}