[clang][ASTMatcher] Add Matcher 'convertVectorExpr'

Add Matcher convertVectorExpr.

Reviewed By: aaron.ballman

Differential Revision: https://reviews.llvm.org/D157248

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
index 14d3360..bb7d8cc 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
@@ -986,6 +986,17 @@ TEST_P(ASTMatchersTest, ChooseExpr) {
                       chooseExpr()));
 }
 
+TEST_P(ASTMatchersTest, ConvertVectorExpr) {
+  EXPECT_TRUE(matches(
+      "typedef double vector4double __attribute__((__vector_size__(32)));"
+      "typedef float  vector4float  __attribute__((__vector_size__(16)));"
+      "vector4float vf;"
+      "void f() { (void)__builtin_convertvector(vf, vector4double); }",
+      convertVectorExpr()));
+  EXPECT_TRUE(notMatches("void f() { (void)__builtin_choose_expr(1, 2, 3); }",
+                         convertVectorExpr()));
+}
+
 TEST_P(ASTMatchersTest, GNUNullExpr) {
   if (!GetParam().isCXX()) {
     return;