[RISCV][clang] Support RISC-V vectors in UninitializedValues.

RISC-V vectors are basically vectors, but we use builtin types to
restrict the possible types. Treat them the same as vectors and scalars
for this analysis.

Reviewed By: reames

Differential Revision: https://reviews.llvm.org/D136511

1 files changed, 2 insertions, 1 deletions

diff --git a/clang/lib/Analysis/UninitializedValues.cpp b/clang/lib/Analysis/UninitializedValues.cpp
index 7f44685..8f9230c 100644
--- a/clang/lib/Analysis/UninitializedValues.cpp
+++ b/clang/lib/Analysis/UninitializedValues.cpp
@@ -46,7 +46,8 @@ static bool isTrackedVar(const VarDecl *vd, const DeclContext *dc) {
       !vd->isExceptionVariable() && !vd->isInitCapture() &&
       !vd->isImplicit() && vd->getDeclContext() == dc) {
     QualType ty = vd->getType();
-    return ty->isScalarType() || ty->isVectorType() || ty->isRecordType();
+    return ty->isScalarType() || ty->isVectorType() || ty->isRecordType() ||
+           ty->isRVVType();
   }
   return false;
 }