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authorRichard Smith <richard-llvm@metafoo.co.uk>2011-10-28 03:31:48 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2011-10-28 03:31:48 +0000
commit9c129f818038e0269ba6b095722aa70176dc321d (patch)
treecc0c5803a179a1d8ccb3202bd6c6bd28a3a0ac13 /lib/Sema/SemaExpr.cpp
parentac51650d054c2eaada48d54dba52c08153d2daed (diff)
Add (hopefully) the last missing lvalue-to-rvalue conversion. Add an assertion
to catch some future implicit lvalue-to-rvalue casts of inappropriate kinds. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143182 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Sema/SemaExpr.cpp')
-rw-r--r--lib/Sema/SemaExpr.cpp15
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index a733b81361..1e890eef1e 100644
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -5722,6 +5722,15 @@ QualType Sema::InvalidOperands(SourceLocation Loc, ExprResult &LHS,
QualType Sema::CheckVectorOperands(ExprResult &LHS, ExprResult &RHS,
SourceLocation Loc, bool IsCompAssign) {
+ if (!IsCompAssign) {
+ LHS = DefaultFunctionArrayLvalueConversion(LHS.take());
+ if (LHS.isInvalid())
+ return QualType();
+ }
+ RHS = DefaultFunctionArrayLvalueConversion(RHS.take());
+ if (RHS.isInvalid())
+ return QualType();
+
// For conversion purposes, we ignore any qualifiers.
// For example, "const float" and "float" are equivalent.
QualType LHSType =
@@ -6819,8 +6828,10 @@ QualType Sema::CheckVectorCompareOperands(ExprResult &LHS, ExprResult &RHS,
// x == x, x != x, x < x, etc. These always evaluate to a constant, and
// often indicate logic errors in the program.
if (!LHSType->hasFloatingRepresentation()) {
- if (DeclRefExpr* DRL = dyn_cast<DeclRefExpr>(LHS.get()->IgnoreParens()))
- if (DeclRefExpr* DRR = dyn_cast<DeclRefExpr>(RHS.get()->IgnoreParens()))
+ if (DeclRefExpr* DRL
+ = dyn_cast<DeclRefExpr>(LHS.get()->IgnoreParenImpCasts()))
+ if (DeclRefExpr* DRR
+ = dyn_cast<DeclRefExpr>(RHS.get()->IgnoreParenImpCasts()))
if (DRL->getDecl() == DRR->getDecl())
DiagRuntimeBehavior(Loc, 0,
PDiag(diag::warn_comparison_always)