[llvm] [DAG] Implement SDPatternMatch `m_SpecificScalarVT` and `m_SpecificVectorElementVT` matchers (PR #144996)

[via llvm-commits]

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@@ -110,6 +110,10 @@ TEST_F(SelectionDAGPatternMatchTest, matchValueType) {
 
   using namespace SDPatternMatch;
   EXPECT_TRUE(sd_match(Op0, m_SpecificVT(Int32VT)));
+  EXPECT_TRUE(sd_match(Op0, m_SpecificScalarVT(Int32VT)));
+  EXPECT_FALSE(sd_match(Op0, m_SpecificScalarVT(Float32VT)));
+  EXPECT_TRUE(sd_match(Op2, m_SpecificVectorElementVT(Int32VT)));
+  EXPECT_FALSE(sd_match(Op2, m_SpecificVectorElementVT(Float32VT)));
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zhaohuiw42 wrote:

Added.

https://github.com/llvm/llvm-project/pull/144996