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authorDaniel Dunbar <daniel@zuster.org>2008-09-30 17:22:47 +0000
committerDaniel Dunbar <daniel@zuster.org>2008-09-30 17:22:47 +0000
commitabee2d789ce799ce9a5d611e13a1713090f305f3 (patch)
tree6a5f86ca93fbb43b674b258b9f99ada1d282a64d
parentba78cc0c6839d606f5ce8f023d822b500f84e6d3 (diff)
Add diagnostic for .{lo,hi,e,o} on odd-sized extended vectors.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56859 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--include/clang/Basic/DiagnosticKinds.def2
-rw-r--r--lib/Sema/SemaExpr.cpp2
2 files changed, 4 insertions, 0 deletions
diff --git a/include/clang/Basic/DiagnosticKinds.def b/include/clang/Basic/DiagnosticKinds.def
index 84aa391437..1e9580c3ce 100644
--- a/include/clang/Basic/DiagnosticKinds.def
+++ b/include/clang/Basic/DiagnosticKinds.def
@@ -678,6 +678,8 @@ DIAG(err_typecheck_ext_vector_not_typedef, ERROR,
"ext_vector_type only applies to types, not variables")
DIAG(err_ext_vector_component_exceeds_length, ERROR,
"vector component access exceeds type '%0'")
+DIAG(err_ext_vector_component_requires_even, ERROR,
+ "vector component access invalid for odd-sized type '%0'")
DIAG(err_ext_vector_component_name_illegal, ERROR,
"illegal vector component name '%0'")
DIAG(err_ext_vector_component_access, ERROR,
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index b19da68abe..07428fdac7 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -846,6 +846,8 @@ CheckExtVectorComponent(QualType baseType, SourceLocation OpLoc,
// is an even number, since all special component names return exactly half
// the elements.
if (SpecialComponent && (vecType->getNumElements() & 1U)) {
+ Diag(OpLoc, diag::err_ext_vector_component_requires_even,
+ baseType.getAsString(), SourceRange(CompLoc));
return QualType();
}